Air quality in Grisons

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

Last update at (local time)

LIVE AQI CITY RANKING

Real-time Grisons
Most polluted city ranking

#cityUS AQI
1 Davos

31

2 Chur

27

3 Santa Maria in Calanca

21

4 Rhaezuens

12

(local time)

SEE WORLD AQI RANKING

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4 Contributors

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LIVE AQI CITY RANKING

Real-time Grisons
Cleanest city ranking

#cityUS AQI
1 Rhaezuens

12

2 Santa Maria in Calanca

21

3 Chur

27

4 Davos

31

(local time)

SEE WORLD AQI RANKING

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Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
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