California

If you live in Los Angeles 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: F How is my grade calculated?
Weighted Average: 81.8 Change Since 1996:
105.5
81.8
fewer days this year
Particle Pollution - 24 Hour
Grade: F How is my grade calculated?
Weighted Average: 25.0 Change Since 2000:
84.2
25.0
fewer days this year
Particle Pollution - Annual
Grade: Fail How is my grade calculated?
Design Value 13.9 Change Since 2000:
24.4
13.9
µg/m3
Groups At Risk
Total Population: 9,889,056 Risks to the population
Pediatric Asthma: 170,275 Risks to people with Asthma
Adult Asthma: 631,724 Risks to people with Asthma
COPD: 328,847 Risks to people with COPD
Cardiovascular Disease: 2,187,906 Risks to people with Cardiovascular Disease
Diabetes: 580,411Risks to people with Diabetes
Children Under 18: 2,378,370 Risks to children and teens
Adults 65 & Over: 1,099,904 Risks to older adults
Poverty Estimate: 1,788,681Risks 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 1 for high ozone days out of 277 metropolitan areas
  • Ranked 4 for 24-hour particle pollution out of 277 metropolitan areas
  • Ranked 4 for annual particle pollution out of 277 metropolitan areas

Compare Your Air



High Ozone Days Learn More
Change Since

This County:

Los Angeles, CA

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

What is my length? 5
  • Orange, CA
  • Riverside, CA
  • San Bernardino, CA
  • Ventura, CA

ABCDFDNCINC
Particle Pollution - 24 Hour Learn More
Change Since

This County:

Los Angeles, CA

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:

Los Angeles, CA

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.