Air Quality in Chicago, IL

Historical Data
What has the air quality been like?
Overview
What is the current air quality in Chicago, IL?
86
Air Quality Index

Excellent air quality

PM2.5
4.08

In line with the WHO annual guideline

Health Recommendations
How Does This Air Quality Affect Me?
With this level of air quality, you have no limitations. Enjoy the outdoors!
Additional Metrics
What Else is in My Air?
PM10
15.42

3.08x WHO guideline

Ozone
10.59

In line with the WHO guideline

NO2
7.4

In line with the WHO annual guideline