Los Angeles braces for a hot day with an Air Quality Alert due to high ozone levels, affecting sensitive groups and advising precautions like staying indoors and limiting outdoor activities.

The Minnesota Pollution Control Agency issued an air quality alert Friday, July 11, for northwest and north central Minnesota. The alert takes effect 6 a.m. and runs until 6 p.m. Friday. Heavy ...

The North Dakota Department of Environmental Quality is actively monitoring Canadian wildfires. Forecasted weather conditions ...

A heatwave and possible smoke migration from ongoing wildfires up north means this weekend might be best for indoor ...