Particle Pollution - 24 Hour Learn More Grade: F How is my grade calculated? Weighted Average: 4.7 Change Since 2000:
16.0
4.7
fewer days this year
Particle Pollution - Annual Learn More Grade: Pass How is my grade calculated? Design Value 11.9 Change Since 2000:
17.0
11.9
µg/m3
Groups At Risk Learn More Total Population: 928,281 Risks to the population Pediatric Asthma: 18,445 Risks to people with Asthma Adult Asthma: 71,750 Risks to people with Asthma COPD: 51,686 Risks to people with COPD Cardiovascular Disease: 60,060 Risks to people with Cardiovascular Disease Diabetes: 69,103Risks to people with Diabetes Children Under 18: 231,174 Risks to children and teens Adults 65 & Over: 102,824 Risks to older adults Poverty Estimate: 193,459Risks to people with low incomes

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You can make a difference in the air that you breathe.

Tell your friends about the air where you live.

  • Ranked 61 for high ozone days out of 220 metropolitan areas
  • Ranked 23 for 24-hour particle pollution out of 220 metropolitan areas
  • Ranked 17 for annual particle pollution out of 220 metropolitan areas

Compare Your Air



High Ozone Days Learn More
Change Since

This County:

Marion, IN

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Bartholomew, IN
  • Boone, IN
  • Brown, IN
  • Decatur, IN
  • Delaware, IN
  • Hamilton, IN
  • Hancock, IN
  • Hendricks, IN
  • Henry, IN
  • Jackson, IN
  • Jennings, IN
  • Johnson, IN
  • Madison, IN
  • Marion, IN
  • Montgomery, IN
  • Morgan, IN
  • Putnam, IN
  • Shelby, IN

ABCDFDNCINC
Particle Pollution - 24 Hour Learn More
Change Since

This County:

Marion, IN

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Bartholomew, IN
  • Boone, IN
  • Brown, IN
  • Decatur, IN
  • Delaware, IN
  • Hamilton, IN
  • Hancock, IN
  • Hendricks, IN
  • Henry, IN
  • Jackson, IN
  • Jennings, IN
  • Johnson, IN
  • Madison, IN
  • Marion, IN
  • Montgomery, IN
  • Morgan, IN
  • Putnam, IN
  • Shelby, IN

ABCDFDNCINC
Particle Pollution - Annual Learn More
Change Since

This County:

Marion, IN

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Bartholomew, IN
  • Boone, IN
  • Brown, IN
  • Decatur, IN
  • Delaware, IN
  • Hamilton, IN
  • Hancock, IN
  • Hendricks, IN
  • Henry, IN
  • Jackson, IN
  • Jennings, IN
  • Johnson, IN
  • Madison, IN
  • Marion, IN
  • Montgomery, IN
  • Morgan, IN
  • Putnam, IN
  • Shelby, IN

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.

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