Particle Pollution - 24 Hour Learn More Grade: F How is my grade calculated? Weighted Average: 5.8 Change Since 2000:
17.2
5.8
fewer days this year
Particle Pollution - Annual Learn More Grade: Pass How is my grade calculated? Design Value 7.8 Change Since 2000:
11.7
7.8
µg/m3
Groups At Risk Learn More Total Population: 819,743 Risks to the population Pediatric Asthma: 13,638 Risks to people with Asthma Adult Asthma: 61,748 Risks to people with Asthma COPD: 34,138 Risks to people with COPD Cardiovascular Disease: 46,754 Risks to people with Cardiovascular Disease Diabetes: 51,024Risks to people with Diabetes Children Under 18: 198,422 Risks to children and teens Adults 65 & Over: 100,763 Risks to older adults Poverty Estimate: 113,256Risks 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 151 for high ozone days out of 220 metropolitan areas
  • Ranked 18 for 24-hour particle pollution out of 220 metropolitan areas
  • Ranked 63 for annual particle pollution out of 220 metropolitan areas

Compare Your Air



High Ozone Days Learn More
Change Since

This County:

Pierce, WA

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Island, WA
  • King, WA
  • Kitsap, WA
  • Lewis, WA
  • Mason, WA
  • Pierce, WA
  • Skagit, WA
  • Snohomish, WA
  • Thurston, WA

ABCDFDNCINC
Particle Pollution - 24 Hour Learn More
Change Since

This County:

Pierce, WA

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Island, WA
  • King, WA
  • Kitsap, WA
  • Lewis, WA
  • Mason, WA
  • Pierce, WA
  • Skagit, WA
  • Snohomish, WA
  • Thurston, WA

ABCDFDNCINC
Particle Pollution - Annual Learn More
Change Since

This County:

Pierce, WA

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Island, WA
  • King, WA
  • Kitsap, WA
  • Lewis, WA
  • Mason, WA
  • Pierce, WA
  • Skagit, WA
  • Snohomish, WA
  • Thurston, WA

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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