Is the air quality good in Chicago?

Chicago’s air quality is currently unhealthy for sensitive groups due to Canadian wildfire smoke and ozone levels. As of June 23, 2023, the U.S. air quality index for Chicago, Illinois is within the "unhealthy for sensitive groups" level, meaning that people with lung diseases, children, older adults, and outdoor workers should reduce or avoid prolonged or heavy outdoor exertion. Others are also advised to consider reducing their outdoor activities.

Chicago had the second worst air quality in the world among major cities at 9:00 AM.

Why is there an air quality alert in Chicago?

Illinois Environmental Protection Agency has not issued an air quality alert yet.

What is causing poor air quality in Chicago?

Wildfire smoke from Canada and ozone from summer temperatures are causing the poor air quality in Chicago.

How can I protect myself from poor air quality?

• Get a free air quality app for real-time air quality alerts and forecasts.
• Shut doors and windows and set the HVAC to recirculate mode.
• Contribute to your community’s outdoor air quality data.
• Stay indoors when air quality is poor; if you do need to go outdoors, wear a KN95/FFP2 mask.
• Run a high-performance air purifier to filter particles, gases, and other pollutants.