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Air quality in Switzerland
Air quality index (AQI) and PM2.5 air pollution in Switzerland
LIVE AQI CITY RANKING
Real-time Switzerland
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Chur, Grisons | 34 |
| 2 | Santa Maria in Calanca, Grisons | 25 |
| 3 | Zurich, Zurich | 23 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
55 Contributors
See all
LIVE AQI CITY RANKING
Real-time Switzerland
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Zurich, Zurich | 23 |
| 2 | Santa Maria in Calanca, Grisons | 25 |
| 3 | Chur, Grisons | 34 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
OVERVIEW
How polluted is Switzerland?
2023 Air quality average
Good
2023 average US AQI
37
!
PM2.5
x1.8
2023 average PM2.5 concentration in Switzerland: 1.8 times the WHO annual air quality guideline value
| 2023 Switzerland cleanest city | Neuchâtel , Neuchatel 18 |
| 2023 Switzerland most polluted city | Liestal , Basel-Landschaft 57 |
News
The latest air quality news and resources.
2023 aqi country ranking
How does Switzerland rank globally in air pollution?
104/134
Which country had the worst air quality in 2023?
| # | COUNTRY | Population | AVG. US |
|---|---|---|---|
| 1 |  Bangladesh | 169,356,251 | 164 |
| 2 |  Pakistan | 231,402,117 | 160 |
| 3 |  India | 1,407,563,842 | 147 |
| 4 |  Tajikistan | 9,750,064 | 134 |
| 5 |  Burkina Faso | 22,100,683 | 128 |
| 6 |  Iraq | 43,533,592 | 121 |
| 7 |  United Arab Emirates | 9,365,145 | 119 |
| 8 |  Nepal | 30,034,989 | 118 |
| 9 |  Egypt | 109,262,178 | 118 |
| 10 |  Democratic Republic of the Congo | 95,894,118 | 114 |
| 104 | Switzerland | 8,703,405 | 37 |
Switzerland air quality data attribution
55Contributors
- Die Kantone der Nordwestschweiz
18 stations
Bundesamt für Umwelt BAFU (Schweiz)15 stations
- Transalp'AIR
14 stations
- Environmental Observatory of Italian Switzerland
14 stations
Bodensee Konferenz Luft10 stations
- Canton of Valais
9 stations
- Luftmessnetz der Innerschweiz
8 stations
- République et canton de Genève
3 stations
Upper Rhine2 stations
CiteAir - Air Quality Now Europe1 station
Top 20 Government Contributors
- Alex
1 station
Top 20 Non-profit Organization Contributors
- IQAir AG
1 station
inNET Monitoring AG1 station
Top 20 Corporate Contributors
- To-B
3 stations
Frank2 stations
- Fabian
1 station
- SUPzero
1 station
Avenue de. Rochettaz1 station
Vessy1 station
- Bernhard
1 station
- Stefan Meyer
1 station
Stazione Dino1 station
- Christian Weber
1 station
- HFMG
1 station
BRZ1 station
- Kepenne
1 station
- T9
1 station
- AVO Thal
1 station
HB9FEF1 station
Meteolausanne1 station
- A.A. PM2.5
1 station
- Unbekannt
1 station
- Dessonnaz
1 station
Top 20 Individual Contributors
10 Anonymous contributors10 stations
Anonymous Contributors
Top 18 Data sources
- Die Kantone der Nordwestschweiz
- Luftmessnetz der Innerschweiz
- Canton of Valais
- Transalp'AIR
- Environmental Observatory of Italian Switzerland
IQAir- République et canton de Genève
European Environment Agency (EEA)- Bundesamt für Umwelt BAFU (Schweiz)
- Upper Rhine
Luftqualität in der Ostschweiz und in Liechtenstein- Bodensee Konferenz Luft
Office for the Nature and Environment of the Grisons
Health and Environment Department - City of Zurich
PurpleAir- inNET Monitoring AG
Amt für Abfall, Wasser, Energie und Luft (AWEL)- CiteAir - Air Quality Now Europe
AQI US, Metric