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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 | 41°F |
Humidity | 87% |
Wind | 4 mp/h |
Pressure | 30 Hg |
# | city | US AQI |
---|---|---|
1 | Chur, Grisons | 38 |
2 | Santa Maria in Calanca, Grisons | 25 |
3 | Zurich, Zurich | 20 |
(local time)
SEE WORLD AQI RANKING# | station | US AQI |
---|---|---|
1 | Soglio | 30 |
(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 | 4.8*µg/m³ | |
O3 | 75.5*µg/m³ |
PM2.5 concentration in Promontogno air currently meets the WHO annual air quality guideline value
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Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Friday, Apr 26 | Good 31 AQI US | 80% | 44.6° 33.8° | 6.7 mp/h |
Today | Good 31 AQI US | 70% | 50° 37.4° | 6.7 mp/h |
Sunday, Apr 28 | Good 44 AQI US | 70% | 53.6° 42.8° | 4.5 mp/h |
Monday, Apr 29 | Moderate 55 AQI US | 40% | 60.8° 44.6° | 6.7 mp/h |
Tuesday, Apr 30 | Moderate 58 AQI US | 60% | 64.4° 48.2° | 6.7 mp/h |
Wednesday, May 1 | Moderate 57 AQI US | 90% | 53.6° 48.2° | 4.5 mp/h |
Thursday, May 2 | Good 50 AQI US | 100% | 53.6° 48.2° | 4.5 mp/h |
Friday, May 3 | Good 20 AQI US | 60% | 57.2° 46.4° | 6.7 mp/h |
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