AddAir quality in Chester County
Air quality index (AQI⁺) and PM2.5 air pollution in Chester County • 16:00, Jun 29 Local time
103
US AQI⁺Unhealthy for sensitive groups
Main pollutant:
O₃
146 µg/m³
28°
6 km/h
62 %
Hourly forecast
Chester County air quality index (AQI⁺) forecast
Daily forecast
Chester County air quality index (AQI⁺) forecast
| Today | 97 | | 29° 21° |  9 km/h | 78% |
| Tue | 56 |  | 29° 18° | 19 km/h | 65% |
| Wed | 63 |  | 33° 21° | 15 km/h | 72% |
Air pollutants
What is the current air quality in Chester County?
PM2.5 concentration is currently 1.9 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Reduce outdoor exercise |
 Close your windows to avoid dirty outdoor air Get a monitor |
 Sensitive groups should wear a mask outdoors Get a mask |
 Run an air purifier Get an air purifier |
Pollen
What is the pollen count in Chester County today?
Index
Moderate
 Tree Low | 25% |
 Grass Moderate | 50% |
 Weed Moderate | 50% |
Source:
wetter.comHealth recommendations
Reduce outdoor exercise |
Close your windows to avoid dirty outdoor air Get a monitor |
Sensitive groups should wear a mask outdoors Get a mask |
Run an air purifier Get an air purifier |
Pollen
What is the pollen count in Chester County today?
Index
Moderate
Tree Low | 25% |
Grass Moderate | 50% |
Weed Moderate | 50% |
Source:
wetter.comMost polluted locations near Chester County
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in Chester County
City ranking
Real-time USA AQI⁺ city ranking
Historic air quality near Chester County
History
Historic air quality graph for Chester County
Historic air quality near Chester County
History
Historic air quality graph for Chester County
Most polluted locations near Chester County
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in Chester County
City ranking
Real-time USA AQI⁺ city ranking
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