The map below displays the current air quality at monitoring sites in the U.S., Canada and Mexico. Air monitoring sites are color-coded based on the pollutant (ozone or particulate matter ...

Smoke from Canadian wildfires have brought smoky, hazy skies to Michigan at times in 2023, causing air quality alerts and ozone "action days" to be enacted. But what is an air quality alert?

In 2023, Michigan had some significant firsts in air-quality monitoring. For the first time, state meteorologists issued a particulate matter health alert because of the effects of smoke from ...

An air quality alert for increased ozone was issued for southeast Michigan on Saturday by the Michigan Department of Environment, Great Lakes and Energy. Elevated ozone levels during the mid ...