The Illinois Environmental Protection Agency (EPA) has issued an Air Quality Alert as Canadian wildfire smoke has once again made its way to Chicago.
The air quality level in Chicago as of Monday afternoon hovered around 137, an unhealthy level for sensitive groups, according to AirNow.
But just what is an Air Quality Alert and who does it impact? Here’s everything to know.
What is an Air Quality Alert?
The EPA issues an air quality alert when it determines ozone and particulate levels are at or above the healthy level for sensitive groups.
Ozone is the primary pollutant of concern for the current alert, according to the NWS.
Where is the Air Quality Alert in Effect?
The current alert impacts Cook County and greater Chicagoland, including Kane, DuPage, and Will counties.
How long will the alert last?
The alert will remain in effect until midnight Tuesday, according to the National Weather Service (NWS).
Safety tips
During periods of elevated air pollution, the National Weather Service recommends the following safety precautions:
- Limit time outdoors
- Stay inside with windows and doors secured shut
- Avoid strenuous physical activity
- Run your air conditioning unit and consider installing a high-efficiency filter
- Avoid burning anything
- Talk to your doctor if you believe you’re at elevated risk or have been exposed to pollutants for an extended period