Millions of people are at risk from unhealthy air while others face alerts for extremely dangerous heat and severe storms. Coverage on this live blog has ended. Please click here for the latest ...

Unconfirmed reports indicate that the fire broke out in a mattress warehouse around 2:45 p.m. in the area of Cortlandt Street ...

North America’s summer of smoke may well be a harbinger of what’s to come. As record-breaking wildfires in Canada continue to sweep across the land, smoke has been suffusing the skies for more and ...

An air quality alert is in effect for the metro St. Louis area and all of Illinois through Wednesday evening. The smoke levels near the ground will likely be the highest early Wednesday morning.

DENVER (KDVR) — The Colorado Department of Public Health and Environment issued a health advisory for multiple counties Friday morning, due to wildfire smoke. The health advisory is in effect from 7 a ...