Missouri

If you live in St. Louis 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 13.7 Change Since 1996:
25.3
13.7
fewer days this year
Particle Pollution - 24 Hour
Grade: C How is my grade calculated?
Weighted Average: 1.0 Change Since 2000:
3
1.0
fewer days this year
Particle Pollution - Annual
Grade: Pass How is my grade calculated?
Design Value 10.9 Change Since 2000:
14.5
10.9
µg/m3
Groups At Risk
Total Population: 1,000,438 Risks to the population
Pediatric Asthma: 22,917 Risks to people with Asthma
Adult Asthma: 80,421 Risks to people with Asthma
COPD: 64,226 Risks to people with COPD
Cardiovascular Disease: 77,832 Risks to people with Cardiovascular Disease
Diabetes: 85,963Risks to people with Diabetes
Children Under 18: 227,216 Risks to children and teens
Adults 65 & Over: 156,687 Risks to older adults
Poverty Estimate: 118,607Risks 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 13 for high ozone days out of 277 metropolitan areas
  • Ranked 53 for 24-hour particle pollution out of 277 metropolitan areas
  • Ranked 8 for annual particle pollution out of 277 metropolitan areas

Compare Your Air



High Ozone Days Learn More
Change Since

This County:

St. Louis, MO

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

What is my length? 17
  • Bond, IL
  • Calhoun, IL
  • Clinton, IL
  • Franklin, MO
  • Jefferson, MO
  • Jersey, IL
  • Lincoln, MO
  • Macoupin, IL
  • Madison, IL
  • Marion, IL
  • Monroe, IL
  • St. Charles, MO
  • St. Clair, IL
  • St. Francois, MO
  • St. Louis City, MO
  • Warren, MO

ABCDFDNCINC
Particle Pollution - 24 Hour Learn More
Change Since

This County:

St. Louis, MO

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:

St. Louis, MO

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.