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AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesIndex | Very high | ||
Tree pollen | Very high | ||
Grass pollen | Low | ||
Weed pollen | None |
Weather | Broken clouds |
Temperature | 32°F |
Humidity | 88% |
Wind | 6.4 mp/h |
Pressure | 29.9 Hg |
# | city | US AQI |
---|---|---|
1 | Santa Maria in Calanca, Grisons | 38 |
2 | Chur, Grisons | 31 |
3 | Zurich, Zurich | 27 |
(local time)
SEE WORLD AQI RANKING# | station | US AQI |
---|---|---|
1 | Chur - Kantonsspital | 30 |
2 | Chur A13 | 28 |
3 | Chur - Rhaetian Railway RhB | 8 |
(local time)
SEE WORLD AQI RANKINGUS AQI
31
live AQI index
Good
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Good | 31 US AQI | O3 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 2µg/m³ | |
PM10 | 4.7µg/m³ | |
O3 | 75.5µg/m³ | |
NO2 | 11.9µg/m³ |
PM2.5 concentration in Chur air currently meets the WHO annual air quality guideline value
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Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Tuesday, Apr 23 | Good 26 AQI US | 41° 30.2° | 6.7 mp/h | |
Wednesday, Apr 24 | Good 31 AQI US | 42.8° 32° | 4.5 mp/h | |
Today | Good 31 AQI US | |||
Friday, Apr 26 | Good 29 AQI US | 60% | 46.4° 28.4° | 4.5 mp/h |
Saturday, Apr 27 | Good 8 AQI US | 53.6° 32° | 6.7 mp/h | |
Sunday, Apr 28 | Good 12 AQI US | 57.2° 37.4° | 11.2 mp/h | |
Monday, Apr 29 | Good 22 AQI US | 60.8° 44.6° | 11.2 mp/h | |
Tuesday, Apr 30 | Moderate 54 AQI US | 40% | 69.8° 46.4° | 6.7 mp/h |
Wednesday, May 1 | Moderate 59 AQI US | 40% | 69.8° 51.8° | 6.7 mp/h |
Thursday, May 2 | Moderate 57 AQI US | 60% | 69.8° 51.8° | 6.7 mp/h |
Friday, May 3 | Moderate 57 AQI US | 80% | 66.2° 50° | 6.7 mp/h |
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