Particle Pollution - 24 Hour Learn More Grade: B How is my grade calculated? Weighted Average: 0.3 Change Since 2009:
1.0
0.3
fewer days this year
Particle Pollution - Annual Learn More Grade: Pass How is my grade calculated? Design Value 10.8 Change Since 2010:
11.7
10.8
µg/m3
Groups At Risk Learn More Total Population: 68,107 Risks to the population Pediatric Asthma: 1,370 Risks to people with Asthma Adult Asthma: 5,168 Risks to people with Asthma COPD: 4,188 Risks to people with COPD Cardiovascular Disease: 6,026 Risks to people with Cardiovascular Disease Diabetes: 6,036Risks to people with Diabetes Children Under 18: 13,427 Risks to children and teens Adults 65 & Over: 13,424 Risks to older adults Poverty Estimate: 9,890Risks to people with low incomes

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

Tell your friends about the air where you live.

  • Ranked 21 for high ozone days out of 220 metropolitan areas
  • Ranked 10 for 24-hour particle pollution out of 220 metropolitan areas
  • Ranked 9 for annual particle pollution out of 220 metropolitan areas

Compare Your Air



High Ozone Days Learn More
Change Since

This County:

Armstrong, PA

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Allegheny, PA
  • Armstrong, PA
  • Beaver, PA
  • Brooke, WV
  • Butler, PA
  • Fayette, PA
  • Hancock, WV
  • Indiana, PA
  • Jefferson, OH
  • Lawrence, PA
  • Washington, PA
  • Westmoreland, PA

ABCDFDNCINC
Particle Pollution - 24 Hour Learn More
Change Since

This County:

Armstrong, PA

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Allegheny, PA
  • Armstrong, PA
  • Beaver, PA
  • Brooke, WV
  • Butler, PA
  • Fayette, PA
  • Hancock, WV
  • Indiana, PA
  • Jefferson, OH
  • Lawrence, PA
  • Washington, PA
  • Westmoreland, PA

ABCDFDNCINC
Particle Pollution - Annual Learn More
Change Since

This County:

Armstrong, PA

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Allegheny, PA
  • Armstrong, PA
  • Beaver, PA
  • Brooke, WV
  • Butler, PA
  • Fayette, PA
  • Hancock, WV
  • Indiana, PA
  • Jefferson, OH
  • Lawrence, PA
  • Washington, PA
  • Westmoreland, PA

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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