AddAir quality in Chester County
Air quality index (AQI⁺) and PM2.5 air pollution in Chester County • 12:00, May 20
45
US AQI⁺Good
Main pollutant:
PM2.5
8.2 µg/m³
29°
17 km/h
59 %
Hourly forecast
Chester County air quality index (AQI⁺) forecast
Daily forecast
Chester County air quality index (AQI⁺) forecast
| Today | 51 |  | 29° 20° |  19 km/h | 71% |
| Thu | 45 |  90% | 14° 11° | 21 km/h | 88% |
| Fri | 36 |  | 20° 9° | 18 km/h | 72% |
Air pollutants
What is the current air quality in Chester County?
PM2.5 concentration is currently 1.6 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in Chester County
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Pollen
What is the pollen count in Chester County today?
Index
Moderate
 Tree Moderate | 50% |
 Grass Low | 25% |
 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 Chester County today?
Index
Moderate
Tree Moderate | 50% |
Grass Low | 25% |
Weed None | 0% |
Source:
wetter.comProtect yourself from air pollution in Chester County
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Most 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
Measure your own air quality
Get a monitor and contribute air quality data in your city.
