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Live air quality data

Cleanest air for outdoor sport

448 ski resorts and coastal spots scored by long-term health impact. Updated every 6 hours from Open-Meteo.

How we score air quality

Every pollutant adds to the score. More pollution always means a higher number. Each pollutant contributes a different amount based on its long-term health impact. The points below show how much each adds when at its WHO 2021 guideline limit:

PM2.59 pts · Fine particles. Strongest link to mortality.
NO₂5 pts · Traffic and combustion gas.
O₃3 pts · Ozone. Higher at altitude and coast.
PM102 pts · Coarse dust and pollen.
SO₂1 pt · Industrial emissions.

PM2.5 and PM10 use a non-linear curve (steeper at low concentrations, reflecting GBD GEMM evidence). NO₂, O₃ and SO₂ scale linearly. All pollutants at their WHO limit = 20 (the Excellent boundary). Sources: WHO 2021 Air Quality Guidelines, GBD 2019, Burnett et al. 2018.

448 locations
#1Sälen
Sweden · Mountain
3
Excellent
PM2.5
1.8
PM10
2.1
NO2
1.8
O3
36.0
SO2
0.0
#2Solitude
United States · Mountain
3
Excellent
PM2.5
0.3
PM10
0.3
NO2
4.1
O3
71.0
SO2
0.1
#3Breckenridge
United States · Mountain
3
Excellent
PM2.5
0.4
PM10
0.5
NO2
1.5
O3
61.0
SO2
0.3
#4Crested Butte
United States · Mountain
3
Excellent
PM2.5
0.2
PM10
0.2
NO2
1.2
O3
66.0
SO2
0.3
#5Deer Valley
United States · Mountain
3
Excellent
PM2.5
0.3
PM10
0.3
NO2
4.1
O3
71.0
SO2
0.1
#6Keystone
United States · Mountain
3
Excellent
PM2.5
0.4
PM10
0.5
NO2
1.5
O3
61.0
SO2
0.3
#7Bocas del Toro
Panama · Coastal
3
Excellent
PM2.5
1.2
PM10
2.0
NO2
0.6
O3
36.0
SO2
0.3
#8Myrkdalen
Norway · Mountain
3
Excellent
PM2.5
1.0
PM10
1.7
NO2
0.6
O3
56.0
SO2
0.0
#9Park City
United States · Mountain
3
Excellent
PM2.5
0.3
PM10
0.3
NO2
4.1
O3
71.0
SO2
0.1
#10Pavones
Costa Rica · Coastal
3
Excellent
PM2.5
1.3
PM10
1.6
NO2
2.4
O3
40.0
SO2
0.3
#11Thulusdhoo
Maldives · Coastal
3
Excellent
PM2.5
1.7
PM10
2.9
NO2
0.5
O3
39.0
SO2
0.2
#12Winter Park
United States · Mountain
3
Excellent
PM2.5
0.9
PM10
0.9
NO2
2.3
O3
53.0
SO2
0.3
#13Santa Catalina
Panama · Coastal
3
Excellent
PM2.5
0.7
PM10
0.9
NO2
0.7
O3
57.0
SO2
0.2
#14North Malé Atoll
Maldives · Coastal
3
Excellent
PM2.5
1.7
PM10
2.9
NO2
0.5
O3
39.0
SO2
0.2
#15Arapahoe Basin
United States · Mountain
3
Excellent
PM2.5
0.4
PM10
0.5
NO2
1.5
O3
61.0
SO2
0.3
#16Aspen
United States · Mountain
3
Excellent
PM2.5
0.6
PM10
0.6
NO2
0.9
O3
71.0
SO2
0.3
#17Glenshee
United Kingdom · Mountain
4
Excellent
PM2.5
2.0
PM10
2.7
NO2
2.4
O3
51.0
SO2
0.0
#18Les Contamines-Montjoie
France · Mountain
4
Excellent
PM2.5
1.4
PM10
1.7
NO2
1.4
O3
70.0
SO2
0.1
#19Sauze d'Oulx
Italy · Mountain
4
Excellent
PM2.5
1.5
PM10
1.9
NO2
1.5
O3
70.0
SO2
0.0
#20Sun Valley
United States · Mountain
4
Excellent
PM2.5
1.2
PM10
1.9
NO2
3.1
O3
51.0
SO2
0.0
#21The Lecht
United Kingdom · Mountain
4
Excellent
PM2.5
2.2
PM10
3.0
NO2
1.3
O3
55.0
SO2
0.1
#22Vallnord Pal Arinsal
Andorra · Mountain
4
Excellent
PM2.5
1.6
PM10
1.9
NO2
0.7
O3
65.0
SO2
0.1
#23Vemdalen
Sweden · Mountain
4
Excellent
PM2.5
2.1
PM10
2.1
NO2
0.9
O3
49.0
SO2
0.0
#24Whiteface
United States · Mountain
4
Excellent
PM2.5
1.8
PM10
1.9
NO2
4.6
O3
49.0
SO2
2.5
#25Avoriaz
France · Mountain
4
Excellent
PM2.5
1.4
PM10
1.7
NO2
1.1
O3
74.0
SO2
0.1
#26Le Grand-Bornand
France · Mountain
4
Excellent
PM2.5
1.3
PM10
1.6
NO2
0.9
O3
73.0
SO2
0.1
#27Champéry
Switzerland · Mountain
4
Excellent
PM2.5
1.4
PM10
1.5
NO2
0.6
O3
75.0
SO2
0.1
#28Monterosa Ski
Italy · Mountain
4
Excellent
PM2.5
2.0
PM10
2.5
NO2
0.5
O3
72.0
SO2
0.1
#29Åre
Sweden · Mountain
4
Excellent
PM2.5
2.1
PM10
2.2
NO2
0.8
O3
47.0
SO2
0.0
#30Bathsheba
Barbados · Coastal
4
Excellent
PM2.5
2.3
PM10
4.1
NO2
1.2
O3
35.0
SO2
0.9
#31Bardonecchia
Italy · Mountain
4
Excellent
PM2.5
1.3
PM10
1.7
NO2
0.9
O3
68.0
SO2
0.0
#32Cairngorm
United Kingdom · Mountain
4
Excellent
PM2.5
1.5
PM10
2.0
NO2
1.2
O3
52.0
SO2
0.1
#33Alpbach
Austria · Mountain
4
Excellent
PM2.5
1.5
PM10
2.2
NO2
0.7
O3
77.0
SO2
0.1
#34Cauterets
France · Mountain
4
Excellent
PM2.5
1.5
PM10
3.2
NO2
0.4
O3
75.0
SO2
0.1
#35Châtel
France · Mountain
4
Excellent
PM2.5
1.4
PM10
1.8
NO2
0.9
O3
74.0
SO2
0.1
#36Courchevel
France · Mountain
4
Excellent
PM2.5
1.5
PM10
1.9
NO2
1.3
O3
58.0
SO2
0.1
#37Exe Estuary
United Kingdom · Coastal
4
Excellent
PM2.5
1.4
PM10
5.0
NO2
1.7
O3
68.0
SO2
0.1
#38La Plagne
France · Mountain
4
Excellent
PM2.5
1.6
PM10
1.9
NO2
1.9
O3
58.0
SO2
0.1
#39Formigal-Panticosa
Spain · Mountain
4
Excellent
PM2.5
1.2
PM10
2.9
NO2
0.4
O3
73.0
SO2
0.1
#40Les Gets
France · Mountain
4
Excellent
PM2.5
1.5
PM10
1.9
NO2
1.7
O3
74.0
SO2
0.1
#41Garopaba
Brazil · Coastal
4
Excellent
PM2.5
2.3
PM10
3.1
NO2
2.2
O3
47.0
SO2
0.7
#42Geilo
Norway · Mountain
4
Excellent
PM2.5
2.0
PM10
3.1
NO2
0.7
O3
48.0
SO2
0.0
#43Glencoe Mountain
United Kingdom · Mountain
4
Excellent
PM2.5
2.2
PM10
2.9
NO2
1.5
O3
54.0
SO2
0.1
#44Le Moule
Guadeloupe · Coastal
4
Excellent
PM2.5
2.5
PM10
4.5
NO2
0.1
O3
33.0
SO2
0.3
#45Hemsedal
Norway · Mountain
4
Excellent
PM2.5
1.6
PM10
2.9
NO2
0.5
O3
58.0
SO2
0.0
#46Lake Ontario — Kingston
Canada · Coastal
4
Excellent
PM2.5
1.0
PM10
1.0
NO2
4.9
O3
42.0
SO2
1.1
#47Kitzbühel
Austria · Mountain
4
Excellent
PM2.5
1.8
PM10
2.3
NO2
1.7
O3
69.0
SO2
0.1
#48Kranjska Gora
Slovenia · Mountain
4
Excellent
PM2.5
1.6
PM10
2.5
NO2
0.8
O3
76.0
SO2
0.1
#49La Rosière
France · Mountain
4
Excellent
PM2.5
1.2
PM10
1.3
NO2
1.3
O3
65.0
SO2
0.0
#50Les Arcs
France · Mountain
4
Excellent
PM2.5
1.3
PM10
1.6
NO2
0.9
O3
67.0
SO2
0.0
#51Les Deux Alpes
France · Mountain
4
Excellent
PM2.5
1.4
PM10
1.7
NO2
0.6
O3
68.0
SO2
0.0
#52Les Houches
France · Mountain
4
Excellent
PM2.5
1.4
PM10
1.7
NO2
1.4
O3
70.0
SO2
0.1
#53Llandegfedd Reservoir
United Kingdom · Coastal
4
Excellent
PM2.5
1.3
PM10
2.0
NO2
3.6
O3
55.0
SO2
0.1
#54Megève
France · Mountain
4
Excellent
PM2.5
1.6
PM10
1.9
NO2
2.3
O3
69.0
SO2
0.1
#55Menai Strait
United Kingdom · Coastal
4
Excellent
PM2.5
1.5
PM10
4.1
NO2
1.7
O3
69.0
SO2
0.1
#56Méribel
France · Mountain
4
Excellent
PM2.5
1.6
PM10
1.9
NO2
1.0
O3
63.0
SO2
0.1
#57Barra de la Cruz
Mexico · Coastal
4
Excellent
PM2.5
2.2
PM10
2.3
NO2
3.2
O3
36.0
SO2
0.3
#58Brimms Ness
United Kingdom · Coastal
4
Excellent
PM2.5
1.8
PM10
3.3
NO2
0.9
O3
68.0
SO2
0.1
#59Oppdal
Norway · Mountain
4
Excellent
PM2.5
1.2
PM10
2.4
NO2
1.0
O3
64.0
SO2
0.0
#60Saint-Gervais
France · Mountain
4
Excellent
PM2.5
1.4
PM10
1.7
NO2
1.4
O3
70.0
SO2
0.1
#61Saint-Lary-Soulan
France · Mountain
4
Excellent
PM2.5
1.8
PM10
2.9
NO2
0.6
O3
67.0
SO2
0.1
#62Saltburn-by-the-Sea
United Kingdom · Coastal
4
Excellent
PM2.5
1.7
PM10
2.7
NO2
2.8
O3
58.0
SO2
0.1
#63Sandsend
United Kingdom · Coastal
4
Excellent
PM2.5
1.5
PM10
2.7
NO2
2.5
O3
61.0
SO2
0.1
#64Sierra Nevada
Spain · Mountain
4
Excellent
PM2.5
1.3
PM10
2.1
NO2
0.5
O3
74.0
SO2
0.2
#65Snowbird
United States · Mountain
4
Excellent
PM2.5
0.8
PM10
1.0
NO2
2.3
O3
78.0
SO2
0.1
#66Sunday River
United States · Mountain
4
Excellent
PM2.5
2.0
PM10
2.2
NO2
0.9
O3
58.0
SO2
0.4
#67Telluride
United States · Mountain
4
Excellent
PM2.5
1.3
PM10
1.7
NO2
0.6
O3
77.0
SO2
0.4
#68Trysil
Norway · Mountain
4
Excellent
PM2.5
2.3
PM10
4.0
NO2
3.7
O3
34.0
SO2
0.2
#69Val Thorens
France · Mountain
4
Excellent
PM2.5
1.4
PM10
1.7
NO2
1.0
O3
65.0
SO2
0.1
#70Whistler
Canada · Mountain
4
Excellent
PM2.5
1.7
PM10
1.8
NO2
2.5
O3
62.0
SO2
0.8
#71Wolf Creek
United States · Mountain
4
Excellent
PM2.5
1.6
PM10
1.8
NO2
0.4
O3
84.0
SO2
0.4
#72Zermatt
Switzerland · Mountain
4
Excellent
PM2.5
1.6
PM10
2.0
NO2
0.4
O3
75.0
SO2
0.1
#73La Grave
France · Mountain
4
Excellent
PM2.5
1.3
PM10
1.5
NO2
0.3
O3
69.0
SO2
0.0
#74Courmayeur
Italy · Mountain
4
Excellent
PM2.5
1.5
PM10
1.7
NO2
2.8
O3
66.0
SO2
0.0
#75Les Saisies
France · Mountain
4
Excellent
PM2.5
1.6
PM10
2.0
NO2
1.2
O3
65.0
SO2
0.1
#76Puy-Saint-Vincent
France · Mountain
4
Excellent
PM2.5
1.2
PM10
1.3
NO2
0.6
O3
69.0
SO2
0.0
#77Risoul
France · Mountain
4
Excellent
PM2.5
1.5
PM10
1.9
NO2
1.8
O3
61.0
SO2
0.0
#78Valloire
France · Mountain
4
Excellent
PM2.5
1.2
PM10
1.4
NO2
0.8
O3
68.0
SO2
0.1
#79Nendaz
Switzerland · Mountain
4
Excellent
PM2.5
1.8
PM10
2.4
NO2
1.4
O3
66.0
SO2
0.1
#80Cervinia
Italy · Mountain
4
Excellent
PM2.5
1.6
PM10
2.1
NO2
0.4
O3
71.0
SO2
0.1
#81Les Menuires
France · Mountain
4
Excellent
PM2.5
1.6
PM10
1.9
NO2
1.0
O3
63.0
SO2
0.1
#82Serfaus-Fiss-Ladis
Austria · Mountain
4
Excellent
PM2.5
1.6
PM10
2.5
NO2
0.9
O3
71.0
SO2
0.1
#83Sölden
Austria · Mountain
4
Excellent
PM2.5
1.8
PM10
2.2
NO2
0.3
O3
70.0
SO2
0.1
#84Verbier
Switzerland · Mountain
4
Excellent
PM2.5
1.3
PM10
1.8
NO2
0.7
O3
70.0
SO2
0.0
#85Arosa Lenzerheide
Switzerland · Mountain
4
Excellent
PM2.5
1.8
PM10
2.4
NO2
0.7
O3
72.0
SO2
0.1
#86Morzine
France · Mountain
4
Excellent
PM2.5
1.4
PM10
1.7
NO2
1.1
O3
74.0
SO2
0.1
#87Val d'Isère
France · Mountain
4
Excellent
PM2.5
1.2
PM10
1.5
NO2
0.5
O3
66.0
SO2
0.0
#88Silver Star
Canada · Mountain
4
Excellent
PM2.5
1.2
PM10
1.3
NO2
1.8
O3
68.0
SO2
0.9
#89Grandvalira
Andorra · Mountain
4
Excellent
PM2.5
1.5
PM10
1.8
NO2
0.8
O3
65.0
SO2
0.1
#90Mammoth Mountain
United States · Mountain
4
Excellent
PM2.5
0.7
PM10
0.9
NO2
1.7
O3
91.0
SO2
0.0
#91Oberstdorf/Nebelhorn
Germany · Mountain
4
Excellent
PM2.5
1.7
PM10
2.4
NO2
0.8
O3
70.0
SO2
0.1
#92Popoyo
Nicaragua · Coastal
4
Excellent
PM2.5
2.4
PM10
3.3
NO2
1.4
O3
35.0
SO2
1.6
#93Machrihanish
United Kingdom · Coastal
4
Excellent
PM2.5
1.2
PM10
1.7
NO2
0.3
O3
74.0
SO2
0.0
#94Eoropie
United Kingdom · Coastal
4
Excellent
PM2.5
0.9
PM10
1.9
NO2
0.2
O3
82.0
SO2
0.0
#95Alta
United States · Mountain
4
Excellent
PM2.5
0.8
PM10
1.0
NO2
2.3
O3
78.0
SO2
0.1
#96Gudauri
Georgia · Mountain
4
Excellent
PM2.5
1.9
PM10
2.7
NO2
0.5
O3
69.0
SO2
0.4
#97Sainte-Foy-Tarentaise
France · Mountain
4
Excellent
PM2.5
1.3
PM10
1.6
NO2
0.9
O3
67.0
SO2
0.0
#98Serre Chevalier
France · Mountain
4
Excellent
PM2.5
1.4
PM10
1.7
NO2
1.1
O3
61.0
SO2
0.0
#99Loon Mountain
United States · Mountain
5
Excellent
PM2.5
3.3
PM10
3.3
NO2
3.2
O3
45.0
SO2
1.1
#100Pamporovo
Bulgaria · Mountain
5
Excellent
PM2.5
3.0
PM10
3.6
NO2
0.7
O3
59.0
SO2
0.4
#101Passo Tonale
Italy · Mountain
5
Excellent
PM2.5
2.5
PM10
3.4
NO2
0.9
O3
74.0
SO2
0.1
#102St. Anton
Austria · Mountain
5
Excellent
PM2.5
2.1
PM10
2.9
NO2
0.7
O3
74.0
SO2
0.1
#103Sugarloaf
United States · Mountain
5
Excellent
PM2.5
2.8
PM10
3.0
NO2
0.4
O3
61.0
SO2
0.3
#104Burnham-on-Crouch
United Kingdom · Coastal
5
Excellent
PM2.5
2.4
PM10
5.6
NO2
3.2
O3
67.0
SO2
0.2
#105Vogel
Slovenia · Mountain
5
Excellent
PM2.5
2.0
PM10
3.4
NO2
0.8
O3
73.0
SO2
0.2
#106Wengen-Grindelwald
Switzerland · Mountain
5
Excellent
PM2.5
1.9
PM10
2.5
NO2
0.7
O3
74.0
SO2
0.1
#107Compton Bay
United Kingdom · Coastal
5
Excellent
PM2.5
2.3
PM10
4.0
NO2
4.7
O3
63.0
SO2
0.3
#108Belmont
Australia · Coastal
5
Excellent
PM2.5
2.5
PM10
4.0
NO2
4.7
O3
48.0
SO2
2.8
#109Borovets
Bulgaria · Mountain
5
Excellent
PM2.5
2.9
PM10
3.3
NO2
0.9
O3
65.0
SO2
0.7
#110Bansko
Bulgaria · Mountain
5
Excellent
PM2.5
3.0
PM10
3.7
NO2
1.1
O3
64.0
SO2
1.1
#111Lech-Zürs
Austria · Mountain
5
Excellent
PM2.5
2.1
PM10
2.9
NO2
0.8
O3
73.0
SO2
0.1
#112Kolašin 1600
Montenegro · Mountain
5
Excellent
PM2.5
3.5
PM10
4.6
NO2
0.6
O3
62.0
SO2
2.4
#113Adelboden-Lenk
Switzerland · Mountain
5
Excellent
PM2.5
2.6
PM10
3.3
NO2
1.2
O3
72.0
SO2
0.1
#114Big Bear Mountain
United States · Mountain
5
Excellent
PM2.5
2.5
PM10
3.2
NO2
3.7
O3
55.0
SO2
0.3
#115Angourie
Australia · Coastal
5
Excellent
PM2.5
3.5
PM10
5.8
NO2
1.2
O3
48.0
SO2
0.3
#116Bantham
United Kingdom · Coastal
5
Excellent
PM2.5
1.9
PM10
7.2
NO2
0.8
O3
76.0
SO2
0.1
#117Bigbury-on-Sea
United Kingdom · Coastal
5
Excellent
PM2.5
1.9
PM10
7.2
NO2
0.8
O3
76.0
SO2
0.1
#118Bormio
Italy · Mountain
5
Excellent
PM2.5
3.0
PM10
3.7
NO2
0.8
O3
74.0
SO2
0.1
#119Caswell Bay
United Kingdom · Coastal
5
Excellent
PM2.5
1.8
PM10
7.3
NO2
1.4
O3
71.0
SO2
0.1
#120Cayton Bay
United Kingdom · Coastal
5
Excellent
PM2.5
1.7
PM10
3.9
NO2
2.1
O3
69.0
SO2
0.1
#121Coronet Peak
New Zealand · Mountain
5
Excellent
PM2.5
3.4
PM10
4.9
NO2
2.0
O3
50.0
SO2
0.4
#122Filey
United Kingdom · Coastal
5
Excellent
PM2.5
2.1
PM10
4.5
NO2
2.0
O3
73.0
SO2
0.1
#123Hochzillertal-Kaltenbach
Austria · Mountain
5
Excellent
PM2.5
2.1
PM10
2.7
NO2
0.6
O3
78.0
SO2
0.1
#124Jasná
Slovakia · Mountain
5
Excellent
PM2.5
2.7
PM10
3.9
NO2
1.1
O3
69.0
SO2
0.5
#125Newport
United States · Coastal
5
Excellent
PM2.5
1.8
PM10
2.0
NO2
5.0
O3
57.0
SO2
0.8
#126Bull Bay
Jamaica · Coastal
5
Excellent
PM2.5
3.3
PM10
4.7
NO2
4.6
O3
30.0
SO2
2.1
#127Lake Louise
Canada · Mountain
5
Excellent
PM2.5
2.2
PM10
3.2
NO2
1.0
O3
75.0
SO2
0.2
#128Langland Bay
United Kingdom · Coastal
5
Excellent
PM2.5
1.8
PM10
8.6
NO2
1.6
O3
70.0
SO2
0.1
#129Livigno
Italy · Mountain
5
Excellent
PM2.5
3.2
PM10
4.3
NO2
0.7
O3
71.0
SO2
0.1
#130Llangennith
United Kingdom · Coastal
5
Excellent
PM2.5
1.8
PM10
7.5
NO2
1.1
O3
73.0
SO2
0.1
#131Mt Hutt
New Zealand · Mountain
5
Excellent
PM2.5
3.8
PM10
5.5
NO2
3.5
O3
36.0
SO2
0.5
#132Narrabeen
Australia · Coastal
5
Excellent
PM2.5
2.3
PM10
3.0
NO2
8.0
O3
41.0
SO2
4.0
#133Nassfeld
Austria · Mountain
5
Excellent
PM2.5
3.1
PM10
4.0
NO2
1.0
O3
73.0
SO2
0.2
#134Nevis Range
United Kingdom · Mountain
5
Excellent
PM2.5
3.1
PM10
3.9
NO2
2.5
O3
48.0
SO2
1.1
#135Obertauern
Austria · Mountain
5
Excellent
PM2.5
3.1
PM10
4.1
NO2
1.1
O3
68.0
SO2
0.1
#136Palisades Tahoe
United States · Mountain
5
Excellent
PM2.5
2.0
PM10
2.4
NO2
2.0
O3
80.0
SO2
0.1
#137Pwllheli
United Kingdom · Coastal
5
Excellent
PM2.5
2.1
PM10
10.2
NO2
1.0
O3
72.0
SO2
0.1
#138Queenstown/Remarkables
New Zealand · Mountain
5
Excellent
PM2.5
3.4
PM10
4.9
NO2
2.0
O3
50.0
SO2
0.4
#139Rest Bay
United Kingdom · Coastal
5
Excellent
PM2.5
2.2
PM10
11.7
NO2
2.1
O3
69.0
SO2
0.4
#140Saalbach-Hinterglemm
Austria · Mountain
5
Excellent
PM2.5
2.0
PM10
3.2
NO2
0.9
O3
70.0
SO2
0.1
#141Santa Teresa
Costa Rica · Coastal
5
Excellent
PM2.5
2.7
PM10
3.5
NO2
1.3
O3
53.0
SO2
1.2
#142Scarborough
United Kingdom · Coastal
5
Excellent
PM2.5
1.7
PM10
3.9
NO2
2.1
O3
69.0
SO2
0.1
#143Seaburn
United Kingdom · Coastal
5
Excellent
PM2.5
2.3
PM10
5.7
NO2
4.4
O3
61.0
SO2
0.1
#144Sinaia
Romania · Mountain
5
Excellent
PM2.5
2.9
PM10
3.3
NO2
3.4
O3
50.0
SO2
0.1
#145Snowbasin
United States · Mountain
5
Excellent
PM2.5
2.0
PM10
2.8
NO2
5.3
O3
65.0
SO2
0.2
#146Sugarbush
United States · Mountain
5
Excellent
PM2.5
2.3
PM10
2.3
NO2
4.4
O3
44.0
SO2
1.4
#147Thredbo
Australia · Mountain
5
Excellent
PM2.5
3.7
PM10
4.6
NO2
3.3
O3
39.0
SO2
0.5
#148Tiree
United Kingdom · Coastal
5
Excellent
PM2.5
2.6
PM10
6.2
NO2
0.1
O3
85.0
SO2
0.0
#149Treble Cone
New Zealand · Mountain
5
Excellent
PM2.5
4.0
PM10
5.8
NO2
0.5
O3
51.0
SO2
0.3
#150Mont Tremblant
Canada · Mountain
5
Excellent
PM2.5
3.3
PM10
3.6
NO2
0.5
O3
57.0
SO2
0.5
#151Unstad
Norway · Coastal
5
Excellent
PM2.5
3.9
PM10
6.7
NO2
0.8
O3
52.0
SO2
0.1
#152Voss
Norway · Mountain
5
Excellent
PM2.5
2.4
PM10
3.7
NO2
4.3
O3
47.0
SO2
0.2
#153Warth-Schröcken
Austria · Mountain
5
Excellent
PM2.5
2.1
PM10
2.9
NO2
0.8
O3
73.0
SO2
0.1
#154Weymouth & Portland
United Kingdom · Coastal
5
Excellent
PM2.5
2.5
PM10
6.3
NO2
3.9
O3
61.0
SO2
0.3
#155Zakopane/Kasprowy Wierch
Poland · Mountain
5
Excellent
PM2.5
2.6
PM10
3.8
NO2
0.8
O3
68.0
SO2
0.4
#156Zell am See/Kaprun
Austria · Mountain
5
Excellent
PM2.5
2.1
PM10
3.5
NO2
1.2
O3
65.0
SO2
0.1
#157Mayrhofen
Austria · Mountain
5
Excellent
PM2.5
2.1
PM10
2.7
NO2
0.6
O3
78.0
SO2
0.1
#158SkiWelt Wilder Kaiser
Austria · Mountain
5
Excellent
PM2.5
1.9
PM10
2.3
NO2
1.7
O3
74.0
SO2
0.2
#159Gstaad
Switzerland · Mountain
5
Excellent
PM2.5
2.0
PM10
2.4
NO2
1.5
O3
71.0
SO2
0.1
#160Schladming-Dachstein
Austria · Mountain
5
Excellent
PM2.5
3.0
PM10
3.7
NO2
0.8
O3
72.0
SO2
0.1
#161Villars-Gryon
Switzerland · Mountain
5
Excellent
PM2.5
1.9
PM10
2.3
NO2
2.1
O3
71.0
SO2
0.1
#162Crans-Montana
Switzerland · Mountain
5
Excellent
PM2.5
2.5
PM10
3.2
NO2
2.0
O3
66.0
SO2
0.2
#163Flaine
France · Mountain
5
Excellent
PM2.5
1.6
PM10
2.2
NO2
3.5
O3
65.0
SO2
0.1
#164Mt. Buller
Australia · Mountain
5
Excellent
PM2.5
2.8
PM10
5.2
NO2
1.6
O3
48.0
SO2
0.8
#165Perisher
Australia · Mountain
5
Excellent
PM2.5
3.7
PM10
4.6
NO2
3.3
O3
39.0
SO2
0.5
#166Killington
United States · Mountain
5
Excellent
PM2.5
2.4
PM10
2.4
NO2
3.6
O3
44.0
SO2
1.1
#167Reykjanes Peninsula
Iceland · Coastal
5
Excellent
PM2.5
2.1
PM10
3.6
NO2
0.7
O3
72.0
SO2
9.3
#168Hoddevik
Norway · Coastal
5
Excellent
PM2.5
1.9
PM10
7.6
NO2
0.5
O3
73.0
SO2
0.1
#169Kovalam
India · Coastal
5
Excellent
PM2.5
2.6
PM10
4.3
NO2
1.5
O3
70.0
SO2
0.3
#170Rincón
Puerto Rico · Coastal
5
Excellent
PM2.5
4.2
PM10
5.9
NO2
0.9
O3
32.0
SO2
0.3
#171Manorbier
United Kingdom · Coastal
5
Excellent
PM2.5
2.4
PM10
8.8
NO2
0.8
O3
79.0
SO2
0.1
#172Varkala
India · Coastal
5
Excellent
PM2.5
2.2
PM10
2.9
NO2
4.0
O3
63.0
SO2
0.9
#173Riksgränsen
Sweden · Mountain
5
Excellent
PM2.5
4.4
PM10
6.0
NO2
0.6
O3
44.0
SO2
0.0
#174Hintertux Glacier
Austria · Mountain
5
Excellent
PM2.5
2.9
PM10
3.8
NO2
0.7
O3
73.0
SO2
0.1
#175Cerro Castor
Argentina · Mountain
5
Excellent
PM2.5
4.1
PM10
4.7
NO2
1.2
O3
31.0
SO2
0.0
#176Corralco
Chile · Mountain
5
Excellent
PM2.5
3.8
PM10
5.1
NO2
1.6
O3
41.0
SO2
0.8
#177Kimmeridge Bay
United Kingdom · Coastal
5
Excellent
PM2.5
2.5
PM10
4.3
NO2
4.4
O3
61.0
SO2
0.3
#178Bad Gastein
Austria · Mountain
6
Excellent
PM2.5
3.5
PM10
4.5
NO2
0.8
O3
71.0
SO2
0.1
#179Poiana Brașov
Romania · Mountain
6
Excellent
PM2.5
3.8
PM10
4.4
NO2
2.9
O3
49.0
SO2
0.2
#180Špindlerův Mlýn
Czech Republic · Mountain
6
Excellent
PM2.5
3.8
PM10
5.4
NO2
1.5
O3
68.0
SO2
0.6
#181Saunton Sands
United Kingdom · Coastal
6
Excellent
PM2.5
2.1
PM10
17.5
NO2
0.9
O3
77.0
SO2
0.1
#182Bakuriani
Georgia · Mountain
6
Excellent
PM2.5
3.6
PM10
5.1
NO2
0.4
O3
76.0
SO2
0.3
#183Białka Tatrzańska
Poland · Mountain
6
Excellent
PM2.5
3.6
PM10
5.0
NO2
1.5
O3
66.0
SO2
0.7
#184Cerro Catedral
Argentina · Mountain
6
Excellent
PM2.5
5.8
PM10
5.9
NO2
1.4
O3
35.0
SO2
0.2
#185Big White
Canada · Mountain
6
Excellent
PM2.5
3.4
PM10
3.6
NO2
1.9
O3
71.0
SO2
1.2
#186Bracklesham Bay
United Kingdom · Coastal
6
Excellent
PM2.5
2.5
PM10
4.6
NO2
4.5
O3
64.0
SO2
0.3
#187Bude Summerleaze
United Kingdom · Coastal
6
Excellent
PM2.5
3.1
PM10
17.1
NO2
0.4
O3
84.0
SO2
0.1
#188Bundoran
Ireland · Coastal
6
Excellent
PM2.5
3.0
PM10
9.8
NO2
0.2
O3
84.0
SO2
0.1
#189Camel Estuary
United Kingdom · Coastal
6
Excellent
PM2.5
3.1
PM10
17.9
NO2
0.3
O3
86.0
SO2
0.1
#190Cardrona
New Zealand · Mountain
6
Excellent
PM2.5
4.3
PM10
6.5
NO2
1.0
O3
52.0
SO2
0.3
#191Chichester Harbour
United Kingdom · Coastal
6
Excellent
PM2.5
2.5
PM10
4.6
NO2
4.5
O3
64.0
SO2
0.3
#192Columbia River Gorge
United States · Coastal
6
Excellent
PM2.5
3.5
PM10
4.1
NO2
6.2
O3
55.0
SO2
1.1
#193Crantock
United Kingdom · Coastal
6
Excellent
PM2.5
3.1
PM10
17.9
NO2
0.3
O3
84.0
SO2
0.1
#194Deba
Spain · Coastal
6
Excellent
PM2.5
3.6
PM10
10.0
NO2
2.2
O3
76.0
SO2
0.8
#195Easkey
Ireland · Coastal
6
Excellent
PM2.5
3.4
PM10
12.6
NO2
0.1
O3
86.0
SO2
0.1
#196Freshwater West
United Kingdom · Coastal
6
Excellent
PM2.5
3.1
PM10
14.8
NO2
1.0
O3
81.0
SO2
0.5
#197Hayling Island
United Kingdom · Coastal
6
Excellent
PM2.5
2.5
PM10
5.4
NO2
6.1
O3
66.0
SO2
0.3
#198Hyères
France · Coastal
6
Excellent
PM2.5
3.1
PM10
7.3
NO2
2.3
O3
77.0
SO2
0.3
#199Jay Peak
United States · Mountain
6
Excellent
PM2.5
3.4
PM10
3.5
NO2
4.3
O3
45.0
SO2
1.8
#200Joss Bay
United Kingdom · Coastal
6
Excellent
PM2.5
2.7
PM10
6.6
NO2
4.3
O3
67.0
SO2
0.3
#201Kopaonik
Serbia · Mountain
6
Excellent
PM2.5
3.8
PM10
4.6
NO2
0.6
O3
75.0
SO2
2.3
#202Kvitfjell
Norway · Mountain
6
Excellent
PM2.5
4.6
PM10
6.9
NO2
4.3
O3
43.0
SO2
0.1
#203Avoca Beach
Australia · Coastal
6
Excellent
PM2.5
4.0
PM10
6.9
NO2
3.0
O3
52.0
SO2
2.2
#204San José del Cabo
Mexico · Coastal
6
Excellent
PM2.5
3.9
PM10
5.8
NO2
5.2
O3
30.0
SO2
0.6
#205Arrifana
Portugal · Coastal
6
Excellent
PM2.5
2.6
PM10
7.8
NO2
1.5
O3
78.0
SO2
0.4
#206Largs
United Kingdom · Coastal
6
Excellent
PM2.5
3.6
PM10
4.3
NO2
4.5
O3
52.0
SO2
0.3
#207Lennox Head
Australia · Coastal
6
Excellent
PM2.5
4.6
PM10
7.7
NO2
0.9
O3
50.0
SO2
0.3
#208Medemblik
Netherlands · Coastal
6
Excellent
PM2.5
3.1
PM10
4.1
NO2
6.9
O3
61.0
SO2
0.2
#209Mont-Sainte-Anne
Canada · Mountain
6
Excellent
PM2.5
5.0
PM10
5.2
NO2
0.6
O3
61.0
SO2
0.8
#210Newgale
United Kingdom · Coastal
6
Excellent
PM2.5
3.1
PM10
13.7
NO2
0.5
O3
82.0
SO2
0.1
#211Norefjell
Norway · Mountain
6
Excellent
PM2.5
4.3
PM10
5.6
NO2
4.7
O3
43.0
SO2
0.2
#212Ohau Snow Fields
New Zealand · Mountain
6
Excellent
PM2.5
4.8
PM10
7.1
NO2
1.0
O3
42.0
SO2
0.3
#213Perranporth
United Kingdom · Coastal
6
Excellent
PM2.5
3.1
PM10
17.9
NO2
0.3
O3
84.0
SO2
0.1
#214Polzeath
United Kingdom · Coastal
6
Excellent
PM2.5
3.1
PM10
17.9
NO2
0.3
O3
86.0
SO2
0.1
#215Portrush
United Kingdom · Coastal
6
Excellent
PM2.5
3.2
PM10
10.6
NO2
0.1
O3
90.0
SO2
0.1
#216Putsborough
United Kingdom · Coastal
6
Excellent
PM2.5
2.1
PM10
17.5
NO2
0.9
O3
77.0
SO2
0.1
#217Ruka
Finland · Mountain
6
Excellent
PM2.5
5.3
PM10
8.6
NO2
1.1
O3
45.0
SO2
1.6
#218Rutland Water
United Kingdom · Coastal
6
Excellent
PM2.5
3.2
PM10
5.2
NO2
7.5
O3
55.0
SO2
0.6
#219Saquarema
Brazil · Coastal
6
Excellent
PM2.5
4.6
PM10
5.7
NO2
4.3
O3
39.0
SO2
0.8
#220Simeulue
Indonesia · Coastal
6
Excellent
PM2.5
4.3
PM10
5.4
NO2
0.8
O3
79.0
SO2
0.2
#221Strandhill
Ireland · Coastal
6
Excellent
PM2.5
3.6
PM10
12.5
NO2
0.1
O3
86.0
SO2
0.1
#222Tramore
Ireland · Coastal
6
Excellent
PM2.5
2.8
PM10
10.6
NO2
0.7
O3
78.0
SO2
0.2
#223Trestles
United States · Coastal
6
Excellent
PM2.5
3.6
PM10
6.2
NO2
1.1
O3
75.0
SO2
0.3
#224Tynemouth
United Kingdom · Coastal
6
Excellent
PM2.5
2.5
PM10
6.1
NO2
5.0
O3
60.0
SO2
0.2
#225Vail
United States · Mountain
6
Excellent
PM2.5
3.2
PM10
3.2
NO2
4.1
O3
57.0
SO2
0.4
#226Val di Fiemme
Italy · Mountain
6
Excellent
PM2.5
4.0
PM10
5.0
NO2
1.6
O3
73.0
SO2
0.2
#227Whitstable
United Kingdom · Coastal
6
Excellent
PM2.5
2.3
PM10
5.4
NO2
4.9
O3
64.0
SO2
0.2
#228Widemouth Bay
United Kingdom · Coastal
6
Excellent
PM2.5
3.1
PM10
13.1
NO2
0.4
O3
84.0
SO2
0.1
#229Woolacombe
United Kingdom · Coastal
6
Excellent
PM2.5
2.1
PM10
17.5
NO2
0.9
O3
77.0
SO2
0.1
#230Zarautz
Spain · Coastal
6
Excellent
PM2.5
3.6
PM10
10.3
NO2
2.1
O3
75.0
SO2
0.8
#231Stubai Glacier
Austria · Mountain
6
Excellent
PM2.5
4.2
PM10
5.1
NO2
1.9
O3
68.0
SO2
0.2
#232Chamrousse
France · Mountain
6
Excellent
PM2.5
3.2
PM10
4.1
NO2
7.6
O3
52.0
SO2
0.3
#233Panorama
Canada · Mountain
6
Excellent
PM2.5
3.3
PM10
4.7
NO2
1.5
O3
83.0
SO2
0.3
#234Falls Creek
Australia · Mountain
6
Excellent
PM2.5
3.7
PM10
5.3
NO2
2.7
O3
47.0
SO2
0.9
#235Inch Beach
Ireland · Coastal
6
Excellent
PM2.5
3.2
PM10
13.9
NO2
0.1
O3
84.0
SO2
0.1
#236Jeju Jungmun
South Korea · Coastal
6
Excellent
PM2.5
1.9
PM10
2.4
NO2
7.9
O3
79.0
SO2
1.7
#237Praia do Amado
Portugal · Coastal
6
Excellent
PM2.5
2.6
PM10
7.9
NO2
1.9
O3
77.0
SO2
0.4
#238Lagos
Portugal · Coastal
6
Excellent
PM2.5
3.1
PM10
8.4
NO2
1.7
O3
73.0
SO2
0.4
#239Playa Grande
Costa Rica · Coastal
6
Excellent
PM2.5
4.7
PM10
6.8
NO2
3.6
O3
27.0
SO2
0.7
#240Nosara
Costa Rica · Coastal
6
Excellent
PM2.5
4.9
PM10
5.5
NO2
6.4
O3
26.0
SO2
0.7
#241Maresias
Brazil · Coastal
6
Excellent
PM2.5
5.6
PM10
5.9
NO2
4.6
O3
26.0
SO2
1.7
#242Lobitos
Peru · Coastal
6
Excellent
PM2.5
5.6
PM10
8.3
NO2
0.8
O3
42.0
SO2
0.6
#243Narvikfjellet
Norway · Mountain
6
Excellent
PM2.5
4.3
PM10
6.5
NO2
1.7
O3
45.0
SO2
0.1
#244Mount Parnassos
Greece · Mountain
6
Excellent
PM2.5
3.4
PM10
5.2
NO2
0.8
O3
73.0
SO2
0.1
#245Palandöken
Turkey · Mountain
7
Excellent
PM2.5
4.4
PM10
7.2
NO2
1.2
O3
76.0
SO2
1.4
#246El Palmar
Spain · Coastal
7
Excellent
PM2.5
4.6
PM10
10.2
NO2
5.6
O3
58.0
SO2
1.3
#247Auli
India · Mountain
7
Excellent
PM2.5
3.3
PM10
9.9
NO2
0.3
O3
110.0
SO2
1.3
#248Canazei/Val di Fassa
Italy · Mountain
7
Excellent
PM2.5
5.8
PM10
6.8
NO2
1.2
O3
69.0
SO2
0.2
#249Alta Badia
Italy · Mountain
7
Excellent
PM2.5
6.1
PM10
7.3
NO2
1.4
O3
70.0
SO2
0.2
#250Banff Sunshine Village
Canada · Mountain
7
Excellent
PM2.5
3.7
PM10
5.0
NO2
4.3
O3
71.0
SO2
0.3
#251Burleigh Heads
Australia · Coastal
7
Excellent
PM2.5
6.6
PM10
11.3
NO2
2.1
O3
47.0
SO2
0.5
#252Capbreton
France · Coastal
7
Excellent
PM2.5
4.6
PM10
17.3
NO2
0.3
O3
88.0
SO2
0.1
#253Carsington Water
United Kingdom · Coastal
7
Excellent
PM2.5
3.8
PM10
5.1
NO2
8.6
O3
52.0
SO2
0.6
#254Chapel Porth
United Kingdom · Coastal
7
Excellent
PM2.5
3.4
PM10
26.7
NO2
0.2
O3
85.0
SO2
0.1
#255Cloudbreak
Fiji · Coastal
7
Excellent
PM2.5
6.3
PM10
9.9
NO2
0.8
O3
52.0
SO2
0.9
#256Constantine Bay
United Kingdom · Coastal
7
Excellent
PM2.5
3.3
PM10
25.6
NO2
0.2
O3
86.0
SO2
0.1
#257Dun Laoghaire
Ireland · Coastal
7
Excellent
PM2.5
3.9
PM10
9.0
NO2
3.6
O3
76.0
SO2
0.6
#258Folgaria
Italy · Mountain
7
Excellent
PM2.5
4.6
PM10
6.1
NO2
3.2
O3
69.0
SO2
0.2
#259Fornells Bay
Spain · Coastal
7
Excellent
PM2.5
4.1
PM10
9.9
NO2
1.4
O3
92.0
SO2
0.4
#260Salla
Finland · Mountain
7
Excellent
PM2.5
6.1
PM10
8.6
NO2
1.0
O3
42.0
SO2
1.4
#261Grafham Water
United Kingdom · Coastal
7
Excellent
PM2.5
3.2
PM10
6.7
NO2
8.5
O3
56.0
SO2
0.6
#262Gwithian
United Kingdom · Coastal
7
Excellent
PM2.5
3.9
PM10
19.3
NO2
0.3
O3
84.0
SO2
0.1
#263Hafjell
Norway · Mountain
7
Excellent
PM2.5
5.4
PM10
8.7
NO2
4.7
O3
49.0
SO2
0.2
#264Hamble River
United Kingdom · Coastal
7
Excellent
PM2.5
2.5
PM10
4.2
NO2
11.5
O3
55.0
SO2
1.7
#265Harlyn Bay
United Kingdom · Coastal
7
Excellent
PM2.5
3.3
PM10
25.6
NO2
0.2
O3
86.0
SO2
0.1
#266Aarhus
Denmark · Coastal
7
Excellent
PM2.5
4.1
PM10
9.8
NO2
7.1
O3
58.0
SO2
0.7
#267Hookipa
United States · Coastal
7
Excellent
PM2.5
5.9
PM10
10.0
NO2
0.8
O3
59.0
SO2
0.2
#268Jahorina
Bosnia and Herzegovina · Mountain
7
Excellent
PM2.5
5.0
PM10
5.7
NO2
0.7
O3
69.0
SO2
5.3
#269Annapolis
United States · Coastal
7
Excellent
PM2.5
4.2
PM10
4.2
NO2
6.6
O3
60.0
SO2
2.1
#270Jaws/Pe'ahi
United States · Coastal
7
Excellent
PM2.5
5.9
PM10
10.0
NO2
0.8
O3
59.0
SO2
0.2
#271Kirra
Australia · Coastal
7
Excellent
PM2.5
6.6
PM10
11.3
NO2
2.1
O3
47.0
SO2
0.5
#272Kronplatz/Plan de Corones
Italy · Mountain
7
Excellent
PM2.5
4.6
PM10
5.9
NO2
3.1
O3
66.0
SO2
0.2
#273Krui
Indonesia · Coastal
7
Excellent
PM2.5
6.7
PM10
9.9
NO2
0.5
O3
44.0
SO2
0.5
#274Bolinas
United States · Coastal
7
Excellent
PM2.5
5.6
PM10
7.7
NO2
4.1
O3
48.0
SO2
0.5
#275La Gravière
France · Coastal
7
Excellent
PM2.5
4.6
PM10
17.3
NO2
0.3
O3
88.0
SO2
0.1
#276Lacanau
France · Coastal
7
Excellent
PM2.5
4.5
PM10
19.9
NO2
0.2
O3
90.0
SO2
0.1
#277Biarritz
France · Coastal
7
Excellent
PM2.5
4.2
PM10
11.8
NO2
1.1
O3
82.0
SO2
0.2
#278Getxo
Spain · Coastal
7
Excellent
PM2.5
4.0
PM10
12.7
NO2
3.7
O3
77.0
SO2
2.5
#279Anakao
Madagascar · Coastal
7
Excellent
PM2.5
5.9
PM10
7.8
NO2
0.3
O3
67.0
SO2
0.8
#280Lahinch
Ireland · Coastal
7
Excellent
PM2.5
4.0
PM10
15.5
NO2
0.1
O3
89.0
SO2
0.1
#281Lusty Glaze
United Kingdom · Coastal
7
Excellent
PM2.5
3.6
PM10
18.5
NO2
0.3
O3
85.0
SO2
0.1
#282Máncora
Peru · Coastal
7
Excellent
PM2.5
5.9
PM10
9.0
NO2
0.7
O3
46.0
SO2
0.6
#283Hossegor
France · Coastal
7
Excellent
PM2.5
4.6
PM10
17.3
NO2
0.3
O3
88.0
SO2
0.1
#284Newquay/Fistral
United Kingdom · Coastal
7
Excellent
PM2.5
3.3
PM10
28.7
NO2
0.2
O3
86.0
SO2
0.1
#285Oukaïmeden
Morocco · Mountain
7
Excellent
PM2.5
5.4
PM10
23.8
NO2
0.6
O3
49.0
SO2
0.8
#286Palma de Mallorca
Spain · Coastal
7
Excellent
PM2.5
4.4
PM10
9.9
NO2
2.9
O3
81.0
SO2
0.6
#287Pitsford Water
United Kingdom · Coastal
7
Excellent
PM2.5
3.3
PM10
5.6
NO2
8.0
O3
54.0
SO2
0.6
#288Porthleven
United Kingdom · Coastal
7
Excellent
PM2.5
3.8
PM10
20.5
NO2
0.4
O3
85.0
SO2
0.1
#289Porthmeor
United Kingdom · Coastal
7
Excellent
PM2.5
3.8
PM10
25.5
NO2
0.3
O3
85.0
SO2
0.1
#290Praa Sands
United Kingdom · Coastal
7
Excellent
PM2.5
3.8
PM10
20.5
NO2
0.4
O3
85.0
SO2
0.1
#291Restaurants (Namotu)
Fiji · Coastal
7
Excellent
PM2.5
6.3
PM10
9.9
NO2
0.8
O3
52.0
SO2
0.9
#292San Sebastián
Spain · Coastal
7
Excellent
PM2.5
4.2
PM10
13.4
NO2
2.8
O3
79.0
SO2
0.6
#293Seignosse
France · Coastal
7
Excellent
PM2.5
4.6
PM10
17.3
NO2
0.3
O3
88.0
SO2
0.1
#294Sennen Cove
United Kingdom · Coastal
7
Excellent
PM2.5
3.4
PM10
20.1
NO2
0.4
O3
85.0
SO2
0.2
#295Snapper Rocks
Australia · Coastal
7
Excellent
PM2.5
6.6
PM10
11.3
NO2
2.1
O3
47.0
SO2
0.5
#296Somo
Spain · Coastal
7
Excellent
PM2.5
3.8
PM10
13.6
NO2
1.9
O3
80.0
SO2
0.6
#297Sopelana
Spain · Coastal
7
Excellent
PM2.5
3.8
PM10
11.9
NO2
4.2
O3
77.0
SO2
2.0
#298Sydney Harbour
Australia · Coastal
7
Excellent
PM2.5
4.1
PM10
5.6
NO2
11.9
O3
39.0
SO2
4.8
#299Tenerife
Spain · Coastal
7
Excellent
PM2.5
4.4
PM10
7.9
NO2
1.6
O3
81.0
SO2
0.9
#300Tybee Island
United States · Coastal
7
Excellent
PM2.5
3.1
PM10
3.6
NO2
3.0
O3
95.0
SO2
1.3
#301Whitesands Bay
United Kingdom · Coastal
7
Excellent
PM2.5
3.4
PM10
20.7
NO2
0.5
O3
85.0
SO2
0.1
#302Madonna di Campiglio
Italy · Mountain
7
Excellent
PM2.5
5.9
PM10
6.6
NO2
2.0
O3
64.0
SO2
0.2
#303Selva Val Gardena
Italy · Mountain
7
Excellent
PM2.5
4.7
PM10
5.6
NO2
1.3
O3
73.0
SO2
0.2
#304Garmisch-Partenkirchen
Germany · Mountain
7
Excellent
PM2.5
4.4
PM10
5.7
NO2
3.9
O3
59.0
SO2
0.2
#305Guéthary
France · Coastal
7
Excellent
PM2.5
4.5
PM10
17.7
NO2
0.8
O3
84.0
SO2
0.2
#306Boracay
Philippines · Coastal
7
Excellent
PM2.5
5.3
PM10
7.7
NO2
0.7
O3
80.0
SO2
0.7
#307Pantín
Spain · Coastal
7
Excellent
PM2.5
4.2
PM10
20.1
NO2
0.6
O3
91.0
SO2
0.2
#308Playa Hermosa
Costa Rica · Coastal
7
Excellent
PM2.5
3.8
PM10
4.2
NO2
14.3
O3
22.0
SO2
1.3
#309Elands Bay
South Africa · Coastal
7
Excellent
PM2.5
5.9
PM10
8.3
NO2
0.2
O3
77.0
SO2
1.5
#310Shipwreck Bay
New Zealand · Coastal
7
Excellent
PM2.5
6.3
PM10
9.8
NO2
0.8
O3
40.0
SO2
0.3
#311Popova Šapka
North Macedonia · Mountain
7
Excellent
PM2.5
5.0
PM10
5.6
NO2
1.7
O3
59.0
SO2
6.1
#312Fuerteventura/Cotillo
Spain · Coastal
8
Excellent
PM2.5
6.7
PM10
13.3
NO2
0.8
O3
79.0
SO2
0.7
#313Les Cavaliers
France · Coastal
8
Excellent
PM2.5
4.9
PM10
18.4
NO2
0.4
O3
87.0
SO2
0.1
#314Taitung
Taiwan · Coastal
8
Excellent
PM2.5
2.1
PM10
2.3
NO2
20.5
O3
44.0
SO2
10.2
#315Anglet
France · Coastal
8
Excellent
PM2.5
4.9
PM10
18.4
NO2
0.4
O3
87.0
SO2
0.1
#316Baisha Bay
Taiwan · Coastal
8
Excellent
PM2.5
4.6
PM10
6.4
NO2
10.1
O3
62.0
SO2
3.4
#317Cannon Beach
United States · Coastal
8
Excellent
PM2.5
7.4
PM10
12.3
NO2
0.6
O3
73.0
SO2
0.4
#318Cortina d'Ampezzo
Italy · Mountain
8
Excellent
PM2.5
6.6
PM10
7.6
NO2
1.4
O3
67.0
SO2
0.2
#319Desert Point
Indonesia · Coastal
8
Excellent
PM2.5
7.1
PM10
10.7
NO2
2.2
O3
52.0
SO2
0.9
#320El Confital
Spain · Coastal
8
Excellent
PM2.5
6.0
PM10
11.2
NO2
1.5
O3
82.0
SO2
0.9
#321Erciyes
Turkey · Mountain
8
Excellent
PM2.5
6.0
PM10
9.2
NO2
0.4
O3
74.0
SO2
4.9
#322Fernando de Noronha
Brazil · Coastal
8
Excellent
PM2.5
9.1
PM10
15.3
NO2
0.1
O3
44.0
SO2
0.2
#323Gran Canaria/El Confital
Spain · Coastal
8
Excellent
PM2.5
6.0
PM10
11.2
NO2
1.5
O3
82.0
SO2
0.9
#324Praia do Guincho
Portugal · Coastal
8
Excellent
PM2.5
6.0
PM10
15.7
NO2
2.3
O3
75.0
SO2
0.6
#325Huntington Beach
United States · Coastal
8
Excellent
PM2.5
4.3
PM10
6.0
NO2
8.5
O3
67.0
SO2
1.0
#326La Rochelle
France · Coastal
8
Excellent
PM2.5
5.3
PM10
31.8
NO2
0.5
O3
89.0
SO2
0.1
#327Arugam Bay
Sri Lanka · Coastal
8
Excellent
PM2.5
5.8
PM10
8.3
NO2
1.0
O3
80.0
SO2
0.2
#328Itacaré
Brazil · Coastal
8
Excellent
PM2.5
8.5
PM10
14.0
NO2
1.4
O3
40.0
SO2
0.2
#329Laniakea
United States · Coastal
8
Excellent
PM2.5
6.6
PM10
11.5
NO2
0.3
O3
67.0
SO2
0.2
#330Bells Beach
Australia · Coastal
8
Excellent
PM2.5
7.8
PM10
13.0
NO2
1.4
O3
63.0
SO2
0.4
#331Margaret River
Australia · Coastal
8
Excellent
PM2.5
7.8
PM10
13.8
NO2
0.0
O3
45.0
SO2
0.1
#332Mount Maunganui
New Zealand · Coastal
8
Excellent
PM2.5
6.6
PM10
9.2
NO2
6.3
O3
40.0
SO2
1.7
#333Baleal
Portugal · Coastal
8
Excellent
PM2.5
5.4
PM10
17.9
NO2
0.7
O3
78.0
SO2
0.2
#334Hiriketiya
Sri Lanka · Coastal
8
Excellent
PM2.5
6.1
PM10
8.6
NO2
3.4
O3
65.0
SO2
0.8
#335Nazaré
Portugal · Coastal
8
Excellent
PM2.5
5.3
PM10
15.0
NO2
2.4
O3
73.0
SO2
0.9
#336North Stradbroke Island
Australia · Coastal
8
Excellent
PM2.5
7.3
PM10
12.7
NO2
0.5
O3
52.0
SO2
0.3
#337Peniche/Supertubos
Portugal · Coastal
8
Excellent
PM2.5
5.4
PM10
17.9
NO2
0.7
O3
78.0
SO2
0.2
#338Pichilemu
Chile · Coastal
8
Excellent
PM2.5
7.4
PM10
12.3
NO2
1.2
O3
49.0
SO2
0.3
#339Pipeline
United States · Coastal
8
Excellent
PM2.5
6.6
PM10
11.5
NO2
0.3
O3
67.0
SO2
0.2
#340Sidi Kaouki
Morocco · Coastal
8
Excellent
PM2.5
7.0
PM10
17.2
NO2
1.2
O3
42.0
SO2
0.7
#341Steamboat
United States · Mountain
8
Excellent
PM2.5
7.4
PM10
7.4
NO2
4.2
O3
51.0
SO2
0.5
#342Sunset Beach
United States · Coastal
8
Excellent
PM2.5
6.6
PM10
11.5
NO2
0.3
O3
67.0
SO2
0.2
#343The Wedge
United States · Coastal
8
Excellent
PM2.5
4.3
PM10
6.0
NO2
8.5
O3
67.0
SO2
1.0
#344Torres
Brazil · Coastal
8
Excellent
PM2.5
7.2
PM10
10.7
NO2
3.8
O3
45.0
SO2
1.2
#345Waimea Bay
United States · Coastal
8
Excellent
PM2.5
6.6
PM10
11.5
NO2
0.3
O3
67.0
SO2
0.2
#346Weligama
Sri Lanka · Coastal
8
Excellent
PM2.5
5.8
PM10
8.3
NO2
4.4
O3
58.0
SO2
0.7
#347Ylläs
Finland · Mountain
8
Excellent
PM2.5
8.4
PM10
12.5
NO2
1.4
O3
41.0
SO2
0.6
#348Praia da Pipa
Brazil · Coastal
8
Excellent
PM2.5
8.4
PM10
10.7
NO2
3.5
O3
40.0
SO2
0.8
#349Salinas
Spain · Coastal
8
Excellent
PM2.5
5.2
PM10
13.4
NO2
3.6
O3
79.0
SO2
3.0
#350Santa Cruz
Portugal · Coastal
8
Excellent
PM2.5
5.9
PM10
16.6
NO2
0.8
O3
78.0
SO2
0.3
#351Aganoa
Samoa · Coastal
8
Excellent
PM2.5
7.2
PM10
12.3
NO2
0.1
O3
52.0
SO2
0.3
#352Montañita
Ecuador · Coastal
8
Excellent
PM2.5
8.0
PM10
12.4
NO2
1.3
O3
48.0
SO2
0.7
#353Arabba-Marmolada
Italy · Mountain
8
Excellent
PM2.5
7.4
PM10
8.4
NO2
1.6
O3
68.0
SO2
0.2
#354Kartalkaya
Turkey · Mountain
8
Excellent
PM2.5
6.0
PM10
14.6
NO2
0.3
O3
74.0
SO2
0.7
#355RED Mountain
Canada · Mountain
8
Excellent
PM2.5
6.7
PM10
7.5
NO2
2.8
O3
75.0
SO2
0.8
#356Nias (Sorake)
Indonesia · Coastal
9
Excellent
PM2.5
6.7
PM10
7.6
NO2
0.5
O3
107.0
SO2
0.3
#357El Quemao
Spain · Coastal
9
Excellent
PM2.5
7.8
PM10
15.9
NO2
0.5
O3
76.0
SO2
0.6
#358Lakey Peak
Indonesia · Coastal
9
Excellent
PM2.5
9.5
PM10
13.3
NO2
1.5
O3
62.0
SO2
1.1
#359Changbaishan/Wanda
China · Mountain
9
Excellent
PM2.5
7.8
PM10
14.8
NO2
1.7
O3
88.0
SO2
1.5
#360Levi
Finland · Mountain
9
Excellent
PM2.5
9.1
PM10
13.4
NO2
1.2
O3
43.0
SO2
0.5
#361Folly Beach
United States · Coastal
9
Excellent
PM2.5
6.5
PM10
6.5
NO2
6.8
O3
66.0
SO2
1.5
#362Imsouane
Morocco · Coastal
9
Excellent
PM2.5
8.9
PM10
29.1
NO2
1.4
O3
39.0
SO2
0.4
#363La Santa
Spain · Coastal
9
Excellent
PM2.5
7.8
PM10
15.9
NO2
0.5
O3
76.0
SO2
0.6
#364Lanzarote/Famara
Spain · Coastal
9
Excellent
PM2.5
7.8
PM10
15.9
NO2
0.5
O3
76.0
SO2
0.6
#365Chicama
Peru · Coastal
9
Excellent
PM2.5
10.1
PM10
19.1
NO2
0.8
O3
45.0
SO2
0.6
#366Medewi
Indonesia · Coastal
9
Excellent
PM2.5
8.1
PM10
11.1
NO2
4.3
O3
53.0
SO2
1.4
#367Bingin
Indonesia · Coastal
9
Excellent
PM2.5
8.1
PM10
12.3
NO2
4.0
O3
59.0
SO2
1.3
#368Padang Padang
Indonesia · Coastal
9
Excellent
PM2.5
8.1
PM10
12.3
NO2
4.0
O3
59.0
SO2
1.3
#369Noosa
Australia · Coastal
9
Excellent
PM2.5
9.4
PM10
15.9
NO2
2.5
O3
45.0
SO2
0.6
#370Cocoa Beach
United States · Coastal
9
Excellent
PM2.5
7.1
PM10
11.0
NO2
1.7
O3
90.0
SO2
0.6
#371New Smyrna Beach
United States · Coastal
9
Excellent
PM2.5
7.6
PM10
12.2
NO2
0.8
O3
102.0
SO2
0.7
#372Niseko
Japan · Mountain
9
Excellent
PM2.5
8.1
PM10
11.9
NO2
4.4
O3
73.0
SO2
0.7
#373Puerto Escondido
Mexico · Coastal
9
Excellent
PM2.5
8.5
PM10
8.6
NO2
9.7
O3
7.0
SO2
0.5
#374Punta de Mita
Mexico · Coastal
9
Excellent
PM2.5
7.8
PM10
9.7
NO2
1.5
O3
87.0
SO2
1.3
#375Saint-Leu
Réunion · Coastal
9
Excellent
PM2.5
8.6
PM10
12.4
NO2
0.7
O3
86.0
SO2
2.6
#376Santa Cruz
United States · Coastal
9
Excellent
PM2.5
8.4
PM10
12.2
NO2
5.1
O3
61.0
SO2
0.9
#377Sayulita
Mexico · Coastal
9
Excellent
PM2.5
7.8
PM10
9.7
NO2
1.5
O3
87.0
SO2
1.3
#378Snowshoe
United States · Mountain
9
Excellent
PM2.5
8.1
PM10
8.1
NO2
3.3
O3
72.0
SO2
4.3
#379Vaal Dam
South Africa · Coastal
9
Excellent
PM2.5
4.9
PM10
4.9
NO2
8.2
O3
82.0
SO2
36.3
#380Madesimo
Italy · Mountain
9
Excellent
PM2.5
6.2
PM10
7.4
NO2
9.4
O3
62.0
SO2
0.2
#381Nihiwatu
Indonesia · Coastal
9
Excellent
PM2.5
8.7
PM10
11.8
NO2
1.5
O3
55.0
SO2
0.7
#382Huanchaco
Peru · Coastal
9
Excellent
PM2.5
8.6
PM10
15.1
NO2
3.8
O3
35.0
SO2
1.2
#383Pacific City
United States · Coastal
9
Excellent
PM2.5
8.4
PM10
14.4
NO2
0.3
O3
78.0
SO2
0.3
#384Tamarin Bay
Mauritius · Coastal
9
Excellent
PM2.5
8.6
PM10
13.2
NO2
0.7
O3
70.0
SO2
2.8
#385Furano
Japan · Mountain
10
Excellent
PM2.5
8.3
PM10
10.9
NO2
5.4
O3
66.0
SO2
1.4
#386Biscayne Bay
United States · Coastal
10
Excellent
PM2.5
8.4
PM10
12.7
NO2
4.2
O3
93.0
SO2
0.7
#387Carcavelos
Portugal · Coastal
10
Excellent
PM2.5
7.3
PM10
17.7
NO2
6.5
O3
67.0
SO2
1.4
#388Lake Garda
Italy · Coastal
10
Excellent
PM2.5
8.2
PM10
9.8
NO2
9.9
O3
57.0
SO2
0.3
#389Mavericks
United States · Coastal
10
Excellent
PM2.5
7.0
PM10
9.1
NO2
13.8
O3
45.0
SO2
0.9
#390Niijima
Japan · Coastal
10
Excellent
PM2.5
8.1
PM10
13.8
NO2
0.6
O3
94.0
SO2
2.9
#391Wrightsville Beach
United States · Coastal
10
Excellent
PM2.5
10.0
PM10
10.0
NO2
3.9
O3
63.0
SO2
2.1
#392Troncones
Mexico · Coastal
10
Excellent
PM2.5
9.8
PM10
11.1
NO2
3.2
O3
55.0
SO2
5.3
#393Kuta Lombok
Indonesia · Coastal
10
Excellent
PM2.5
9.8
PM10
13.2
NO2
3.8
O3
54.0
SO2
1.7
#394Lanuza
Philippines · Coastal
10
Excellent
PM2.5
11.4
PM10
12.3
NO2
1.8
O3
49.0
SO2
0.8
#395Tofo
Mozambique · Coastal
10
Excellent
PM2.5
10.4
PM10
16.4
NO2
0.2
O3
70.0
SO2
0.9
#396Ocean Beach SF
United States · Coastal
10
Excellent
PM2.5
7.0
PM10
9.1
NO2
13.8
O3
45.0
SO2
0.9
#397Ichinomiya
Japan · Coastal
10
Excellent
PM2.5
8.6
PM10
13.9
NO2
1.3
O3
91.0
SO2
0.8
#398Izu Peninsula
Japan · Coastal
10
Excellent
PM2.5
8.5
PM10
13.6
NO2
3.3
O3
89.0
SO2
1.7
#399Tsurigasaki Beach
Japan · Coastal
10
Excellent
PM2.5
8.6
PM10
13.9
NO2
1.3
O3
91.0
SO2
0.8
#400El Sunzal
El Salvador · Coastal
11
Excellent
PM2.5
10.8
PM10
11.2
NO2
15.5
O3
11.0
SO2
1.6
#401El Tunco
El Salvador · Coastal
11
Excellent
PM2.5
10.8
PM10
11.2
NO2
15.5
O3
11.0
SO2
1.6
#402Portillo
Chile · Mountain
11
Excellent
PM2.5
10.7
PM10
11.4
NO2
1.2
O3
89.0
SO2
0.4
#403Florianópolis
Brazil · Coastal
11
Excellent
PM2.5
11.8
PM10
19.5
NO2
1.9
O3
67.0
SO2
0.4
#404Miyazaki
Japan · Coastal
11
Excellent
PM2.5
11.0
PM10
17.3
NO2
1.8
O3
88.0
SO2
1.1
#405Tanegashima
Japan · Coastal
11
Excellent
PM2.5
11.3
PM10
19.7
NO2
0.6
O3
76.0
SO2
0.4
#406Teahupo'o
French Polynesia · Coastal
11
Excellent
PM2.5
12.3
PM10
20.8
NO2
0.1
O3
54.0
SO2
0.3
#407Ubatuba
Brazil · Coastal
11
Excellent
PM2.5
11.7
PM10
13.7
NO2
6.3
O3
40.0
SO2
3.8
#408Welsh Harp
United Kingdom · Coastal
11
Excellent
PM2.5
4.3
PM10
7.7
NO2
26.4
O3
50.0
SO2
1.4
#409Uludağ
Turkey · Mountain
12
Excellent
PM2.5
11.7
PM10
28.8
NO2
6.7
O3
58.0
SO2
3.9
#410Valle Nevado
Chile · Mountain
12
Excellent
PM2.5
14.9
PM10
16.8
NO2
4.0
O3
50.0
SO2
4.7
#411Cabarete
Dominican Republic · Coastal
12
Excellent
PM2.5
10.6
PM10
11.9
NO2
17.1
O3
17.0
SO2
7.7
#412Auckland — Waitemata
New Zealand · Coastal
12
Excellent
PM2.5
10.7
PM10
13.9
NO2
15.3
O3
36.0
SO2
4.0
#413San Francisco Bay
United States · Coastal
12
Excellent
PM2.5
9.9
PM10
11.1
NO2
19.1
O3
14.0
SO2
0.4
#414Kiel
Germany · Coastal
12
Excellent
PM2.5
12.4
PM10
16.2
NO2
7.6
O3
46.0
SO2
1.4
#415La Parva
Chile · Mountain
12
Excellent
PM2.5
14.9
PM10
16.8
NO2
4.0
O3
50.0
SO2
4.7
#416Piha
New Zealand · Coastal
12
Excellent
PM2.5
11.6
PM10
16.4
NO2
12.7
O3
30.0
SO2
2.8
#417Mentawai Islands
Indonesia · Coastal
12
Excellent
PM2.5
14.6
PM10
19.5
NO2
0.2
O3
75.0
SO2
1.0
#418Anchor Point
Morocco · Coastal
12
Excellent
PM2.5
12.6
PM10
42.2
NO2
2.6
O3
43.0
SO2
2.5
#419Las Leñas
Argentina · Mountain
13
Excellent
PM2.5
14.0
PM10
14.9
NO2
0.9
O3
105.0
SO2
2.9
#420Siargao/Cloud 9
Philippines · Coastal
13
Excellent
PM2.5
15.5
PM10
17.9
NO2
1.5
O3
94.0
SO2
1.3
#421Gulmarg
India · Mountain
13
Excellent
PM2.5
12.1
PM10
18.0
NO2
1.8
O3
117.0
SO2
2.9
#422Outer Banks
United States · Coastal
13
Excellent
PM2.5
15.4
PM10
20.0
NO2
1.7
O3
76.0
SO2
1.4
#423Sandringham
Australia · Coastal
13
Excellent
PM2.5
11.2
PM10
13.4
NO2
17.0
O3
51.0
SO2
3.2
#424Shonan
Japan · Coastal
13
Excellent
PM2.5
10.9
PM10
16.0
NO2
14.1
O3
76.0
SO2
5.8
#425Baler
Philippines · Coastal
13
Excellent
PM2.5
13.7
PM10
18.9
NO2
2.7
O3
89.0
SO2
3.2
#426Cimaja
Indonesia · Coastal
13
Excellent
PM2.5
14.8
PM10
18.3
NO2
5.8
O3
51.0
SO2
3.8
#427Dizin
Iran · Mountain
14
Excellent
PM2.5
10.5
PM10
19.2
NO2
12.0
O3
124.0
SO2
9.4
#428La Union (San Juan)
Philippines · Coastal
14
Excellent
PM2.5
16.2
PM10
23.2
NO2
1.8
O3
84.0
SO2
1.7
#429Naeba
Japan · Mountain
14
Excellent
PM2.5
12.9
PM10
13.1
NO2
18.6
O3
43.0
SO2
5.2
#430Mirleft
Morocco · Coastal
14
Excellent
PM2.5
15.9
PM10
51.7
NO2
2.5
O3
45.0
SO2
1.2
#431Hakuba
Japan · Mountain
15
Excellent
PM2.5
12.4
PM10
13.4
NO2
21.8
O3
55.0
SO2
4.8
#432The Cedars
Lebanon · Mountain
15
Excellent
PM2.5
17.0
PM10
46.1
NO2
0.6
O3
84.0
SO2
5.5
#433Keramas
Indonesia · Coastal
15
Excellent
PM2.5
16.8
PM10
20.4
NO2
6.9
O3
73.0
SO2
3.3
#434Myoko Kogen
Japan · Mountain
15
Excellent
PM2.5
12.4
PM10
13.4
NO2
21.8
O3
55.0
SO2
4.8
#435Teine
Japan · Mountain
15
Excellent
PM2.5
15.1
PM10
19.2
NO2
17.0
O3
60.0
SO2
4.4
#436Ponta Preta
Cape Verde · Coastal
15
Excellent
PM2.5
20.8
PM10
41.6
NO2
0.1
O3
60.0
SO2
0.1
#437Whitewater
Canada · Mountain
16
Excellent
PM2.5
19.6
PM10
21.1
NO2
5.0
O3
82.0
SO2
1.0
#438Blacks Beach
United States · Coastal
17
Excellent
PM2.5
10.0
PM10
10.6
NO2
47.7
O3
8.0
SO2
1.4
#439Pascuales
Mexico · Coastal
17
Excellent
PM2.5
21.5
PM10
25.5
NO2
7.6
O3
71.0
SO2
8.6
#440Madarao
Japan · Mountain
19
Excellent
PM2.5
17.5
PM10
17.9
NO2
33.5
O3
33.0
SO2
5.6
#441Shiga Kogen
Japan · Mountain
19
Excellent
PM2.5
17.5
PM10
17.9
NO2
33.5
O3
33.0
SO2
5.6
#442Muju Deogyusan
South Korea · Mountain
22
Good
PM2.5
13.2
PM10
17.3
NO2
61.3
O3
13.0
SO2
6.3
#443Dakar Yoff
Senegal · Coastal
28
Good
PM2.5
50.4
PM10
121.1
NO2
1.2
O3
43.0
SO2
0.6
#444Ngor/Ouakam
Senegal · Coastal
28
Good
PM2.5
50.4
PM10
121.1
NO2
1.2
O3
43.0
SO2
0.6
#445Dungeons
South Africa · Coastal
47
Moderate
PM2.5
75.7
PM10
84.5
NO2
17.1
O3
279.0
SO2
52.1
#446Muizenberg
South Africa · Coastal
47
Moderate
PM2.5
75.7
PM10
84.5
NO2
17.1
O3
279.0
SO2
52.1
#447Table Bay
South Africa · Coastal
47
Moderate
PM2.5
75.7
PM10
84.5
NO2
17.1
O3
279.0
SO2
52.1
#448Kommetjie
South Africa · Coastal
47
Moderate
PM2.5
75.7
PM10
84.5
NO2
17.1
O3
279.0
SO2
52.1

Health-weighted score from European AQI sub-indices via Open-Meteo. Last updated 23 October 2026 at 10:40

Frequently asked questions

How is the score calculated?

Each pollutant adds to the score independently based on its concentration relative to its WHO 2021 24-hour guideline and its long-term health impact. PM2.5 contributes the most (9 points at its WHO limit), followed by NO₂ (5), O₃ (3), PM10 (2), and SO₂ (1). PM2.5 and PM10 use a non-linear curve that is steeper at low concentrations, reflecting the GBD GEMM dose-response evidence. NO₂, O₃ and SO₂ scale linearly. All pollutants at their WHO limits totals 20, the Excellent boundary.

Why not use the standard European AQI?

The European AQI uses the single worst pollutant as the overall score. One elevated reading overrides everything else, which penalises mountain and coastal locations where ozone is naturally higher. It also uses older EU regulatory thresholds rather than the stricter WHO 2021 guidelines. Our additive model means every pollutant matters and more pollution always increases the score, with each pollutant contributing in proportion to its actual long-term health impact.

Where does the data come from?

Open-Meteo, which aggregates data from national air quality monitoring networks and atmospheric models. Readings are live and refreshed every 6 hours.

Why are mountain resorts generally cleaner?

Higher altitude means less traffic, no heavy industry and better atmospheric dispersion. Coastal spots benefit from onshore breezes that push pollutants inland. Both tend to score well compared to major cities.

What do PM2.5 and PM10 mean?

PM2.5 is particulate matter under 2.5 micrometres (fine particles from combustion, fires and exhaust). PM10 is under 10 micrometres (dust, pollen, construction). Both are measured in micrograms per cubic metre. The WHO guideline for PM2.5 is 15 µg/m³.

How does air quality affect outdoor sport?

During intense exercise you breathe 10 to 20 times more air than at rest. High PM2.5 can reduce lung function and trigger inflammation. For most people, a score under 40 poses negligible risk even during hard sessions.

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