The National Weather Service says that while skies may be hazy, wildfire smoke should remain aloft. Air quality at ground ...

The Iowa DNR on Tuesday issued a statewide Air Quality Alert through 6 a.m. Thursday. The agency warned that the Air Quality Index may reach the red or unhealthy category in affected areas.

Smoke from Canadian wildfires carried another day of poor air quality south of the border to the Midwest, where conditions in ...

Warmer weather has finally reached the nation’s capital, but with it, there is lower air quality due to the thousands of kilometres of land burning out west. The start of June was marked by unusually ...