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 76.7 Change Since 2009:
81.8
76.7
fewer days this year
Particle Pollution - 24 Hour
Grade: F How is my grade calculated?
Weighted Average: 26.8 Change Since 2000:
84.2
26.8
fewer days this year
Particle Pollution - Annual
Grade: Fail How is my grade calculated?
Design Value 13.0 Change Since 2000:
24.4
13.0
µg/m3
Groups At Risk
Total Population: 10,017,068 Risks to the population
Pediatric Asthma: 205,766 Risks to people with Asthma
Adult Asthma: 670,227 Risks to people with Asthma
COPD: 347,183 Risks to people with COPD
Cardiovascular Disease: 499,827 Risks to people with Cardiovascular Disease
Diabetes: 755,975Risks to people with Diabetes
Children Under 18: 2,322,711 Risks to children and teens
Adults 65 & Over: 1,187,071 Risks to older adults
Poverty Estimate: 1,872,964Risks 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 220 metropolitan areas
  • Ranked 5 for 24-hour particle pollution out of 220 metropolitan areas
  • Ranked 5 for annual particle pollution out of 220 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

  • 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

  • Orange, CA
  • Riverside, CA
  • San Bernardino, CA
  • Ventura, CA

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

  • Orange, CA
  • Riverside, CA
  • San Bernardino, CA
  • Ventura, 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.