Particle Pollution - 24 Hour Learn More Grade: B How is my grade calculated? Weighted Average: 0.7 Change Since 2000:
3.0
0.7
fewer days this year
Particle Pollution - Annual Learn More Grade: Pass How is my grade calculated? Design Value 10.9 Change Since 2000:
14.5
10.9
µg/m3
Groups At Risk Learn More Total Population: 1,001,444 Risks to the population Pediatric Asthma: 17,330 Risks to people with Asthma Adult Asthma: 83,698 Risks to people with Asthma COPD: 60,812 Risks to people with COPD Cardiovascular Disease: 83,863 Risks to people with Cardiovascular Disease Diabetes: 76,743Risks to people with Diabetes Children Under 18: 225,686 Risks to children and teens Adults 65 & Over: 161,009 Risks to older adults Poverty Estimate: 106,520Risks to people with low incomes

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Tell your friends about the air where you live.

  • Ranked 16 for high ozone days out of 220 metropolitan areas

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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

  • 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, MO
  • St. Louis City, 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

  • 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, MO
  • St. Louis City, MO

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

  • 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, MO
  • St. Louis City, MO

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

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