Missouri

If you live in Jefferson 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: 3.8 Change Since 1996:
19.7
3.8
fewer days this year
Particle Pollution - 24 Hour
Grade: B How is my grade calculated?
Weighted Average: 0.3 Change Since 2000:
3.3
0.3
fewer days this year
Particle Pollution - Annual
Grade: Pass How is my grade calculated?
Design Value 10.4 Change Since 2000:
14.9
10.4
µg/m3
Groups At Risk
Total Population: 219,480 Risks to the population
Pediatric Asthma: 4,273 Risks to people with Asthma
Adult Asthma: 15,191 Risks to people with Asthma
COPD: 13,384 Risks to people with COPD
Cardiovascular Disease: 60,192 Risks to people with Cardiovascular Disease
Diabetes: 16,610Risks to people with Diabetes
Children Under 18: 54,323 Risks to children and teens
Adults 65 & Over: 25,328 Risks to older adults
Poverty Estimate: 24,380Risks 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 25 for high ozone days out of 277 metropolitan areas
  • Ranked 53 for 24-hour particle pollution out of 277 metropolitan areas
  • Ranked 12 for annual particle pollution out of 277 metropolitan areas

Compare Your Air



High Ozone Days Learn More
Change Since

This County:

Jefferson, MO

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

What is my length? 18
  • Bond, IL
  • Calhoun, IL
  • Clinton, IL
  • Crawford, MO
  • Franklin, MO
  • Jersey, IL
  • Lincoln, MO
  • Macoupin, IL
  • Madison, IL
  • Monroe, IL
  • St. Charles, MO
  • St. Clair, IL
  • St. Francois, MO
  • St. Louis, MO
  • St. Louis city, MO
  • Warren, MO
  • Washington, MO

ABCDFDNCINC
Particle Pollution - 24 Hour Learn More
Change Since

This County:

Jefferson, 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:

Jefferson, 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.