Illinois

If you live in Winnebago County, the air you breathe needs your support.

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: A How is my grade calculated?
Weighted Average 0.0 Change Since 1996:
3.3
0.0
fewer days this year
Particle Pollution - 24 Hour
Grade: C How is my grade calculated?
Weighted Average: 1.0 Change Since 2000:
2.5
1.0
fewer days this year
Particle Pollution - Annual
Grade: Pass How is my grade calculated?
Design Value 9.8 Change Since 2002:
12.9
9.8
µg/m3
Groups At Risk
Total Population: 292,069 Risks to the population
Pediatric Asthma: 6,651 Risks to people with Asthma
Adult Asthma: 18,654 Risks to people with Asthma
COPD: 13,769 Risks to people with COPD
Cardiovascular Disease: 18,495 Risks to people with Cardiovascular Disease
Diabetes: 21,851Risks to people with Diabetes
Children Under 18: 71,364 Risks to children and teens
Adults 65 & Over: 42,977 Risks to older adults
Poverty Estimate: 46,164Risks 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 1 for cleanest metropolitan areas in the country for Ozone
  • Ranked 65 for 24-hour particle pollution out of 277 metropolitan areas
  • Ranked 104 for annual particle pollution out of 277 metropolitan areas

Compare Your Air



High Ozone Days Learn More
Change Since

This County:

Winnebago, IL

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

What is my length? 4
  • Boone, IL
  • Ogle, IL
  • Stephenson, IL

ABCDFDNCINC
Particle Pollution - 24 Hour Learn More
Change Since

This County:

Winnebago, IL

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:

Winnebago, IL

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Boone, IL
  • Ogle, IL
  • Stephenson, 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.