A number of states in the United States have declared air quality warnings with concerning levels noted across many of the ...

As smoke begins to dissipate, Michigan's statewide advisories have ended, though some remain for Upper Peninsula and northern ...

Prize money at the U.S. Open will rise to nearly $85 million across all competitions this year. That includes a record $5 ...

As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts across the U.S.

In Grand Rapids, the Air Quality Index, which measures particle pollution in the air, was over 100 AQI six of the last seven ...

Kavya Beheraj/Axios Air quality alerts are in effect for swaths of the Northeast and Midwest on Wednesday because of smoke from Canadian wildfires. Why it matters: Breathing wildfire smoke has ...