AddAir quality in St. Helen
Air quality index (AQI⁺) and PM2.5 air pollution in St. Helen • 31 Followers • 08:00, Sep 05 Local time
51*
US AQI⁺Moderate
Main pollutant:
PM2.5
9.2 µg/m³
17°
7 km/h
97 %
Hourly forecast
St. Helen air quality index (AQI⁺) forecast
Daily forecast
St. Helen air quality index (AQI⁺) forecast
| Today | 51 |  | 23° 17° |  12 km/h | 73% |
| Sun | 22 | | 21° 12° | 10 km/h | 82% |
| Mon | 20 |  | 26° 11° | 10 km/h | 57% |
Air pollutants
What is the current air quality in St. Helen?
PM2.5 concentration is currently 1.8 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 St. Helen today?
Index
Moderate
 Tree None | 0% |
 Grass None | 0% |
 Weed Moderate | 50% |
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 St. Helen today?
Index
Moderate
Tree None | 0% |
Grass None | 0% |
Weed Moderate | 50% |
Source:
wetter.comMost polluted locations near St. Helen
Worldwide AQI⁺ ranking
Historic air quality near St. Helen
History
Historic air quality graph for St. Helen
Historic air quality near St. Helen
History
Historic air quality graph for St. Helen
Most polluted locations near St. Helen
Worldwide AQI⁺ ranking
