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Hourly forecast
Mt St Helens, Cowlitz County air quality index (AQI⁺) forecast
Daily forecast
Mt St Helens, Cowlitz County air quality index (AQI⁺) forecast
| Today | 20 |  | 12° 6° |  13 km/h |  88% |
| Thu | 63 |  | 19° 9° | 18 km/h | 54% |
| Fri | 43 |  | 19° 8° | 13 km/h | 61% |
Air pollutants
What is the current air quality near Mt St Helens?
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 |
Real-time Mt St Helens, Cowlitz County air pollution map
Pollen
What is the pollen count in Mt St Helens today?
Index
High
 Tree Low | 25% |
 Grass High | 75% |
 Weed Moderate | 50% |
Source:
wetter.comProtect yourself from air pollution in Mt St Helens
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Pollen
What is the pollen count in Mt St Helens today?
Index
High
Tree Low | 25% |
Grass High | 75% |
Weed Moderate | 50% |
Source:
wetter.comHistoric air quality near Mt St Helens
History
Historic air quality graph for Mt St Helens
Measure your own air quality
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Most polluted locations near Mt St Helens, Cowlitz County
Worldwide AQI⁺ ranking
Station ranking
Real-time Mt St Helens AQI⁺ station ranking
City ranking
Real-time USA AQI⁺ city ranking
Get comprehensive data about air quality in Mt St Helens, Cowlitz County
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