Particle Pollution - 24 Hour Learn More Grade: C How is my grade calculated? Weighted Average: 2.0 Change Since 2000:
18.2
2.0
fewer days this year
Particle Pollution - Annual Learn More Grade: Pass How is my grade calculated? Design Value 10.0 Change Since 2000:
16.5
10.0
µg/m3
Groups At Risk Learn More Total Population: 549,684 Risks to the population Pediatric Asthma: 10,794 Risks to people with Asthma Adult Asthma: 45,694 Risks to people with Asthma COPD: 24,504 Risks to people with COPD Cardiovascular Disease: 37,217 Risks to people with Cardiovascular Disease Diabetes: 44,874Risks to people with Diabetes Children Under 18: 122,770 Risks to children and teens Adults 65 & Over: 73,542 Risks to older adults Poverty Estimate: 63,555Risks 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 28 for high ozone days out of 220 metropolitan areas
  • Ranked 22 for 24-hour particle pollution out of 220 metropolitan areas
  • Ranked 11 for annual particle pollution out of 220 metropolitan areas

Compare Your Air



High Ozone Days Learn More
Change Since

This County:

New Castle, DE

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Atlantic, NJ
  • Berks, PA
  • Bucks, PA
  • Burlington, NJ
  • Camden, NJ
  • Cape May, NJ
  • Cecil, MD
  • Chester, PA
  • Cumberland, NJ
  • Delaware, PA
  • Gloucester, NJ
  • Kent, DE
  • Montgomery, PA
  • New Castle, DE
  • Philadelphia, PA
  • Salem, NJ

ABCDFDNCINC
Particle Pollution - 24 Hour Learn More
Change Since

This County:

New Castle, DE

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Atlantic, NJ
  • Berks, PA
  • Bucks, PA
  • Burlington, NJ
  • Camden, NJ
  • Cape May, NJ
  • Cecil, MD
  • Chester, PA
  • Cumberland, NJ
  • Delaware, PA
  • Gloucester, NJ
  • Kent, DE
  • Montgomery, PA
  • New Castle, DE
  • Philadelphia, PA
  • Salem, NJ

ABCDFDNCINC
Particle Pollution - Annual Learn More
Change Since

This County:

New Castle, DE

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Atlantic, NJ
  • Berks, PA
  • Bucks, PA
  • Burlington, NJ
  • Camden, NJ
  • Cape May, NJ
  • Cecil, MD
  • Chester, PA
  • Cumberland, NJ
  • Delaware, PA
  • Gloucester, NJ
  • Kent, DE
  • Montgomery, PA
  • New Castle, DE
  • Philadelphia, PA
  • Salem, NJ

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.

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