Pennsylvania

If you live in Delaware 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: 3.7 Change Since 1996:
33.3
3.7
fewer days this year
Particle Pollution - 24 Hour
Grade: D How is my grade calculated?
Weighted Average: 2.3 Change Since 2000:
4.0
2.3
fewer days this year
Particle Pollution - Annual
Grade: Fail How is my grade calculated?
Design Value 12.7 Change Since 2000:
15.7
12.7
µg/m3
Groups At Risk
Total Population: 559,494 Risks to the population
Pediatric Asthma: 12,882 Risks to people with Asthma
Adult Asthma: 39,099 Risks to people with Asthma
COPD: 28,344 Risks to people with COPD
Cardiovascular Disease: 147,055 Risks to people with Cardiovascular Disease
Diabetes: 39,847Risks to people with Diabetes
Children Under 18: 128,423 Risks to children and teens
Adults 65 & Over: 80,471 Risks to older adults
Poverty Estimate: 54,776Risks 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:

Delaware, 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
  • Chester, PA
  • Cumberland, NJ
  • Gloucester, NJ
  • Montgomery, PA
  • New Castle, DE
  • Philadelphia, PA
  • Salem, NJ

ABCDFDNCINC
Particle Pollution - 24 Hour Learn More
Change Since

This County:

Delaware, 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:

Delaware, 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.