AddAir quality in St. Helen
Air quality index (AQI⁺) and PM2.5 air pollution in St. Helen • 20 Followers • 23:00, May 09 Local time
21*
US AQI⁺Good
Main pollutant:
PM2.5
3.8 µg/m³
5°
18 km/h
53 %
Hourly forecast
St. Helen air quality index (AQI⁺) forecast
Daily forecast
St. Helen air quality index (AQI⁺) forecast
| Today | 11 |  | 9° 2° |  21 km/h | 52% |
| Mon | 6 |  | 9° -1° | 14 km/h | 51% |
| Tue | 8 |  | 13° 0° | 24 km/h | 77% |
Air pollutants
What is the current air quality in St. Helen?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in St. Helen
Air Purifiers
Face Masks
Air Quality Monitors
Pollen
What is the pollen count in St. Helen today?
Index
Low
 Tree Low | 25% |
 Grass None | 0% |
 Weed None | 0% |
Source:
wetter.comHealth recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in St. Helen today?
Index
Low
Tree Low | 25% |
Grass None | 0% |
Weed None | 0% |
Source:
wetter.comProtect yourself from air pollution in St. Helen
Air Purifiers
Face Masks
Air Quality Monitors
Most polluted locations near St. Helen
Worldwide AQI⁺ ranking
City ranking
Real-time USA AQI⁺ city 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⁺ rankingCity ranking
