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Air quality in Grisons
Air quality index (AQI) and PM2.5 air pollution in Grisons
LIVE AQI CITY RANKING
Real-time Grisons
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Davos | 34 |
| 2 | Santa Maria in Calanca | 34 |
| 3 | Rhaezuens | 32 |
| 4 | Chur | 30 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
4 Contributors
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LIVE AQI CITY RANKING
Real-time Grisons
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Chur | 30 |
| 2 | Rhaezuens | 32 |
| 3 | Davos | 34 |
| 4 | Santa Maria in Calanca | 34 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
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The latest air quality news and resources.
Grisons air quality data attribution
4Contributors
- Bundesamt für Umwelt BAFU (Schweiz)
1 station
4 Government Contributors
Which is the most polluted city in Grisons?
- Promontogno 38
- St. Moritz 35
- Davos 34
- Santa Maria in Calanca 34
- Rhaezuens 32
- Chur 30
- Brusio 29
- Poschiavo 28
- Buseno 27
- Arvigo 26
- Braggio 26
- Mesocco 26
- Silvaplana 26
- Cauco 25
- Celerina 24
- Pontresina 24
- Samedan 24
- Donat 23
- Hinterrhein 23
- La Punt Chamues-ch 23
- Tiefencastel 23
- Zuoz 22
- Cazis 21
- Lenzerheide 21
- Scharans 21
- Thusis 21
- Vals Platz 21
- Zernez 19
- Arosa 18
- Churwalden 18
- Bonaduz 17
- Tamins 17
- Breil 16
- Disentis 16
- Domat 16
- Felsberg 16
- Flims 16
- Ilanz 16
- Laax 16
- Trun 16
- Trimmis 15
- Untervaz 15
- Gruesch 14
- Igis 14
- Jenaz 14
- Klosters Serneus 14
- Landquart 14
- Maienfeld 14
- Malans 14
- Schiers 14
- Scuol 14
- Zizers 14
- Luzein 13
AQI US, Metric