Air quality in Grisons

Air quality index (AQI) and PM2.5 air pollution in Grisons

LAST UPDATE (local time)

LIVE AQI CITY RANKING

Real-time Grisons
Most polluted city ranking

#cityUS AQI
1 Rhaezuens

154

2 Chur

144

3 Santa Maria in Calanca

127

4 Davos

77

5 Promontogno

28

6 St. Moritz

18

(local time)

SEE WORLD AQI RANKING

Air Quality contributors Sources

Data provided by

Contributors

4

Data sources

4

The profile logo of Office for the Nature and Environment of the GrisonsThe profile logo of Luftqualität in der Ostschweiz und in LiechtensteinThe profile logo of Bundesamt für UmweltThe profile logo of Environmental Observatory of Italian SwitzerlandThe profile logo of Office for the Nature and Environment of the GrisonsThe profile logo of Luftqualität in der Ostschweiz und in Liechtenstein

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LIVE AQI CITY RANKING

Real-time Grisons
Cleanest city ranking

#cityUS AQI
1 St. Moritz

18

2 Promontogno

28

3 Davos

77

4 Santa Maria in Calanca

127

5 Chur

144

6 Rhaezuens

154

(local time)

SEE WORLD AQI RANKING
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
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