Particle Pollution - 24 Hour Learn More Grade: C How is my grade calculated? Weighted Average: 2.0 Change Since 2000:
24.3
2.0
fewer days this year
Particle Pollution - Annual Learn More Grade: Pass How is my grade calculated? Design Value 10.8 Change Since 2000:
16.4
10.8
µg/m3
Groups At Risk Learn More Total Population: 3,211,252 Risks to the population Pediatric Asthma: 64,351 Risks to people with Asthma Adult Asthma: 216,251 Risks to people with Asthma COPD: 112,491 Risks to people with COPD Cardiovascular Disease: 162,647 Risks to people with Cardiovascular Disease Diabetes: 244,856Risks to people with Diabetes Children Under 18: 726,397 Risks to children and teens Adults 65 & Over: 396,543 Risks to older adults Poverty Estimate: 476,184Risks 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 35 for high ozone days out of 220 metropolitan areas
  • Ranked 38 for 24-hour particle pollution out of 220 metropolitan areas
  • Ranked 40 for annual particle pollution out of 220 metropolitan areas

Compare Your Air



High Ozone Days Learn More
Change Since

This County:

San Diego, CA

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • San Diego, CA

ABCDFDNCINC
Particle Pollution - 24 Hour Learn More
Change Since

This County:

San Diego, CA

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • San Diego, CA

ABCDFDNCINC
Particle Pollution - Annual Learn More
Change Since

This County:

San Diego, CA

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • San Diego, CA

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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