The National Weather Service in Boulder has issued an air quality alert for Rio Blanco, Eagle, Summit, Garfield, Pitkin, ...

San Luis Obispo County can expect a small heat wave while smoke from the Gifford Fire spreads throughout the atmosphere. An ...

In a landmark ruling, the International Court of Justice declared that failure to act on climate change can be an ...

Wildfire smoke doesn’t just cloud the horizon, it can chemically change the air at ground level and in layers of the ...

An air quality alert was issued for parts of Southern California because of the effects of the Canyon Fire, fueled by dry ...

Fires, storms and the potential for near-record high temperatures across the western US are in the offing for the coming week.

Another air quality alert is in effect for Philly and its neighboring Pennsylvania counties Sunday, and it looks like more ...

The National Weather Service said the alert will be in effect until Sunday morning in the Santa Clarita Valley and Saturday ...

The National Weather Service has issued an alert for New Yorkers as an air quality alert has been declared for most of the ...

Government data, collected by the Iowa Environmental Council, shows some parts of Iowa are at higher risk of seeing wildfires — and they could see that risk increase in times of drought. What is the ...

More than 140,000 acres of land have burned in separate wildfires in Delta, Dolores, Garfield, Grand, Mesa, Moffat, Montrose, ...

Vulnerable groups are urged to avoid outdoor activity in multiple parts of southern California due to air pollution.