MINNEAPOLIS – Wildfires in Canada continue to spread and affect the air quality of bordering U.S. states. With the wildfires not expected to slow down, a continued drop in air quality is possible for some U.

Smoke from more than 100 wildfires blazing in Canada is expected to spread and impact air quality index in Minnesota.

Air quality alerts remain in effect for yet another day for the entire state of Minnesota with concentrations of wildfire smoke so thick the Minnesota Pollution Control Agency (MPCA) has issued a rare hazardous warning.