Washington

If you live in Clark 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: B How is my grade calculated?
Weighted Average: 0.3 Change Since 1996:
2.2
0.3
fewer days this year
Particle Pollution - 24 Hour
Grade: F How is my grade calculated?
Weighted Average: 4.5 Change Since 2000:
3.8
4.5
fewer days this year
Particle Pollution - Annual
Grade: Pass How is my grade calculated?
Design Value 7.7 Change Since 2000:
10.1
7.7
µg/m3
Groups At Risk
Total Population: 433,418 Risks to the population
Pediatric Asthma: 7,982 Risks to people with Asthma
Adult Asthma: 31,180 Risks to people with Asthma
COPD: 13,301 Risks to people with COPD
Cardiovascular Disease: 104,875 Risks to people with Cardiovascular Disease
Diabetes: 28,877Risks to people with Diabetes
Children Under 18: 112,762 Risks to children and teens
Adults 65 & Over: 51,839 Risks to older adults
Poverty Estimate: 58,684Risks 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 139 for high ozone days out of 277 metropolitan areas
  • Ranked 24 for 24-hour particle pollution out of 277 metropolitan areas
  • Ranked 187 for annual particle pollution out of 277 metropolitan areas

Compare Your Air



High Ozone Days Learn More
Change Since

This County:

Clark, WA

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

What is my length? 7
  • Clackamas, OR
  • Columbia, OR
  • Multnomah, OR
  • Skamania, WA
  • Washington, OR
  • Yamhill, OR

ABCDFDNCINC
Particle Pollution - 24 Hour Learn More
Change Since

This County:

Clark, WA

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:

Clark, WA

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.