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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 | Clear sky |
Temperature | 50°F |
Humidity | 45% |
Wind | 11.5 mp/h |
Pressure | 30.6 Hg |
# | city | US AQI |
---|---|---|
1 | Marana, Arizona | 61 |
2 | Kalamazoo, Michigan | 59 |
3 | Corpus Christi, Texas | 58 |
4 | Detroit, Michigan | 58 |
5 | Hammond, Indiana | 57 |
6 | The Woodlands, Texas | 55 |
7 | Burns Harbor, Indiana | 54 |
8 | Dundalk, Maryland | 54 |
9 | Harrisburg, Pennsylvania | 54 |
10 | Washington, D.C., District of Columbia | 54 |
(local time)
SEE WORLD AQI RANKINGUS AQI
6*
live AQI index
Good
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Good | 6* US AQI | PM2.5 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 1.5*µg/m³ |
PM2.5 concentration in Helena West Side air currently meets the WHO annual air quality guideline value
Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Today | Good 6 AQI US | 55.4° 37.4° | 13.4 mp/h | |
Monday, Apr 29 | Good 8 AQI US | 60% | 50° 35.6° | 15.7 mp/h |
Tuesday, Apr 30 | Good 5 AQI US | 44.6° 32° | 20.1 mp/h | |
Wednesday, May 1 | Good 5 AQI US | 100% | 39.2° 32° | 8.9 mp/h |
Thursday, May 2 | Good 4 AQI US | 53.6° 32° | 8.9 mp/h | |
Friday, May 3 | Good 4 AQI US | 100% | 53.6° 37.4° | 4.5 mp/h |
Saturday, May 4 | Good 7 AQI US | 100% | 46.4° 35.6° | 2.2 mp/h |
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