Air quality in St. Helen
Air quality index (AQI⁺) and PM2.5 air pollution in St. Helen • 31 Followers • 11:00, Sep 09 Local time
52*
US AQI⁺Moderate
Main pollutant:
PM2.5
10 µg/m³
21°
12 km/h
97 %
Hourly forecast
St. Helen air quality index (AQI⁺) forecast
Daily forecast
St. Helen air quality index (AQI⁺) forecast
| Today | 51 | 24° 19° | 20 km/h | 87% | |
| Thu | 34 | 19° 13° | 16 km/h | 64% | |
| Fri | 16 | 26° 11° | 13 km/h | 45% |
Air pollutants
What is the current air quality in St. Helen?
PM2.5 concentration is currently 2 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 |
Protect yourself from air pollution in St. Helen
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.comProtect yourself from air pollution in St. Helen
Most polluted locations near St. Helen
Worldwide AQI⁺ rankingHistoric 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












