Particle Pollution - 24 Hour Learn More Grade: INC How is my grade calculated? Weighted Average: INC Incomplete data available for this pollutant for this county. Learn More.
Particle Pollution - Annual Learn More Grade: INC How is my grade calculated? Design Value INC Incomplete data available for this pollutant for this county. Learn More.
Groups At Risk Learn More Total Population: 46,740 Risks to the population Pediatric Asthma: 956 Risks to people with Asthma Adult Asthma: 2,791 Risks to people with Asthma COPD: 2,105 Risks to people with COPD Cardiovascular Disease: 3,737 Risks to people with Cardiovascular Disease Diabetes: 4,320Risks to people with Diabetes Children Under 18: 10,253 Risks to children and teens Adults 65 & Over: 9,371 Risks to older adults Poverty Estimate: 8,542Risks to people with low incomes

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High Ozone Days Learn More
Change Since

This County:

Stephenson, IL

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Boone, IL
  • Ogle, IL
  • Stephenson, IL
  • Winnebago, IL

ABCDFDNCINC
Particle Pollution - 24 Hour Learn More
Change Since

This County:

Stephenson, IL

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Boone, IL
  • Ogle, IL
  • Stephenson, IL
  • Winnebago, IL

ABCDFDNCINC
Particle Pollution - Annual Learn More
Change Since

This County:

Stephenson, IL

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Boone, IL
  • Ogle, IL
  • Stephenson, IL
  • Winnebago, IL

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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