Pennsylvania

If you live in Chester County, the air you breathe may put your health at risk.

Ozone

Particle Pollution 24-hour

Particle Pollution Annual

You can make a difference in the air that you breathe.

Tell your friends about the air where you live.

High Ozone Days
Ozone Grade: F How is my grade calculated?
Weighted Average: 5.3 Change Since 2000:
33.8
5.3
fewer days this year
Particle Pollution - 24 Hour
Grade: F How is my grade calculated?
Weighted Average: 3.7 Change Since 2002:
2.8
3.7
fewer days this year
Particle Pollution - Annual
Grade: Fail How is my grade calculated?
Design Value 13.7 Change Since 2003:
15.2
13.7
µg/m3
Groups At Risk
Total Population: 503,897 Risks to the population
Pediatric Asthma: 12,335 Risks to people with Asthma
Adult Asthma: 34,515 Risks to people with Asthma
COPD: 25,021 Risks to people with COPD
Cardiovascular Disease: 129,838 Risks to people with Cardiovascular Disease
Diabetes: 35,031Risks to people with Diabetes
Children Under 18: 122,975 Risks to children and teens
Adults 65 & Over: 66,195 Risks to older adults
Poverty Estimate: 34,765Risks to people with low incomes

The air you breathe needs your support.

You can make a difference in the air that you breathe.

Tell your friends about the air where you live.

  • Ranked 20 for high ozone days out of 277 metropolitan areas
  • Ranked 29 for 24-hour particle pollution out of 277 metropolitan areas
  • Ranked 11 for annual particle pollution out of 277 metropolitan areas

Compare Your Air



High Ozone Days Learn More
Change Since

This County:

Chester, PA

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

What is my length? 13
  • Berks, PA
  • Bucks, PA
  • Burlington, NJ
  • Camden, NJ
  • Cecil, MD
  • Cumberland, NJ
  • Delaware, PA
  • Gloucester, NJ
  • Montgomery, PA
  • New Castle, DE
  • Philadelphia, PA
  • Salem, NJ

ABCDFDNCINC
Particle Pollution - 24 Hour Learn More
Change Since

This County:

Chester, PA

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

ABCDFDNCINC
Particle Pollution - Annual Learn More
Change Since

This County:

Chester, PA

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

PASSFAILDNCINC
Groups At Risk
Total Population: Risks to the population
Pediatric Asthma: Risks to people with Asthma
Adult Asthma: Risks to people with Asthma
COPD: Risks to people with COPD
Cardiovascular Disease: Risks to people with Cardiovascular Disease
Diabetes: Risks to people with Diabetes
Children Under 18: Risks to children and teens
Adults 65 & Over: Risks to older adults
Poverty Estimate: Risks to people with low incomes

More about Methodology.