Canadian wildfire smoke is affecting air quality in parts of Michigan. The EPA's air quality index (AQI) uses a color-coded scale to inform the public about air quality and associated health risks.

Air quality changes consistently. Depending on the different pollutants in the air that come from natural and human activity, some days can be easier to breathe than others. Air quality indexes ...

Knowing how to read the EPA's Air Quality Index can help you understand whether smoke from numerous Canadian wildfires makes it hazardous to breathe outside air. "The AQI is an index for reporting ...

Canadian wildfire smoke is causing air quality advisories and alerts across Michigan. Lansing's air quality was unhealthy as of June 5, with a PM2.5 of 167, prompting recommendations to stay indoors.

Temperatures are climbing into the 90s and heat index values into the 100s, prompting a heat advisory for the region. Scorching temperatures combined with the high humidity are expected Thursday, July ...

Smoke in Michigan is finally clearing after a lengthy bout of pollution from the Canadian wildfires. All advisories have ended, as officials no longer detect unhealthy levels of fine particulate ...

Plumes of smoke from the Canadian wildfires are hovering over portions of Michigan. Reading the EPA's Air Quality Index can help you plan your daily activity to ensure it's manageable for your health.