Canadian wildfire smoke returned to Wisconsin this weekend, with unhealthy levels for people with asthma and heart disease.

As drought persists in the West, wildfire risk continues to pose an immense threat to Durango’s surrounding forests and ...

The National Weather Service reported an air quality alert at 11:54 a.m. EDT on Sunday in effect until Tuesday at midnight ...

Experience a cockpit view of an approach and landing in a Boeing 737-800 at Lisbon Airport (LPPT), the largest airport in Portugal.

Environment Canada has issued a special air quality statement for several regions in northern Ontario, warning residents ...