wildfire smoke

Unhealthy smoke from Canadian wildfires blankets the Upper Midwest when people want to be outside Most of Minnesota, and parts of Montana, North Dakota and Wisconsin, have been dealing with "unhealthy" air

The skies are hazy with wildfire smoke again: a guide to when to stay inside

Canadian wildfire smoke chokes Upper Midwest for second straight year Meteorologist Paul Douglas says they don't know if it will be a summer-long issue but conditions are ripe for more

How to protect yourself from wildfire smoke

PHOTOS: Wildfire smoke over NYC leads to air quality alert, cancellation of outdoor school activities