AddAir quality in Helena
Air quality index (AQI⁺) and PM2.5 air pollution in Helena • 32.3K Followers • 04:00, Oct 04 Local time
66
US AQI⁺Moderate
Main pollutant:
PM2.5
17.5 µg/m³
9°
5 km/h
69 %
Hourly forecast
Helena air quality index (AQI⁺) forecast
Daily forecast
Helena air quality index (AQI⁺) forecast
| Today | 38 |  | 25° 9° |  9 km/h | 49% |
| Mon | 41 | | 27° 12° | 22 km/h | 45% |
| Tue | 18 |  | 26° 11° | 22 km/h | 27% |
Air pollutants
What is the current air quality in Helena?
PM2.5 concentration is currently 3.5 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Sensitive groups should reduce outdoor exercise |
 Close your windows to avoid dirty outdoor air Get a monitor |
 Sensitive groups should wear a mask outdoors Get a mask |
 Sensitive groups should run an air purifier Get an air purifier |
Pollen
What is the pollen count in Helena today?
Index
Low
 Tree None | 0% |
 Grass None | 0% |
 Weed Low | 25% |
Source:
wetter.comHealth recommendations
Sensitive groups should reduce outdoor exercise |
Close your windows to avoid dirty outdoor air Get a monitor |
Sensitive groups should wear a mask outdoors Get a mask |
Sensitive groups should run an air purifier Get an air purifier |
Pollen
What is the pollen count in Helena today?
Index
Low
Tree None | 0% |
Grass None | 0% |
Weed Low | 25% |
Source:
wetter.comMost polluted locations near Helena
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in Helena
City ranking
Real-time USA AQI⁺ city ranking
Historic air quality near Helena
History
Historic air quality graph for Helena
Historic air quality near Helena
History
Historic air quality graph for Helena
Most polluted locations near Helena
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in Helena
City ranking
Real-time USA AQI⁺ city ranking
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