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AIR QUALITY DATA SOURCE
Find out more about contributors and data sourcesIndex | Low | ||
Tree pollen | Low | ||
Grass pollen | Low | ||
Weed pollen | None |
Weather | Broken clouds |
Temperature | 55.4°F |
Humidity | 99% |
Wind | 2.3 mp/h |
Pressure | 29.7 Hg |
# | city | US AQI |
---|---|---|
1 | Chur, Grisons | 35 |
2 | Zurich, Zurich | 31 |
3 | Santa Maria in Calanca, Grisons | 22 |
(local time)
SEE WORLD AQI RANKINGUS AQI
20*
live AQI index
Good
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Good | 20* US AQI | PM2.5 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 3.6*µg/m³ |
PM2.5 concentration in Altdorf air currently meets the WHO annual air quality guideline value
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Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Today | Good 20 AQI US | 100% | 59° 50° | 6.7 mp/h |
Friday, May 17 | Good 13 AQI US | 90% | 60.8° 48.2° | 4.5 mp/h |
Saturday, May 18 | Good 18 AQI US | 100% | 64.4° 48.2° | 6.7 mp/h |
Sunday, May 19 | Good 24 AQI US | 90% | 66.2° 51.8° | 4.5 mp/h |
Monday, May 20 | Good 43 AQI US | 100% | 69.8° 53.6° | 6.7 mp/h |
Tuesday, May 21 | Moderate 58 AQI US | 100% | 62.6° 53.6° | 4.5 mp/h |
Wednesday, May 22 | Moderate 58 AQI US | 100% | 59° 51.8° | 2.2 mp/h |
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