Monday's air quality has dropped to unhealthy levels in Las Vegas, when the AQI index is between 151 to 200. Anyone outdoors could experience adverse health impacts.

The trend of dry weather — last Thursday's deluge notwithstanding — will likely continue at least through this week, though ...

Heavy smoke from Canadian wildfires continues to affect air quality in western Massachusetts, posing health risks to ...

Wildfires continue to burn across a massive area in Canada, particularly in the provinces of Saskatchewan and Manitoba.

Syracuse, N.Y. ― The state Department of Environmental Conservation has included Central New York in an updated air quality ...

This is why even without the presence of smoke, many sunrises and sunsets appear yellow or orange. Smoke particles in the sky ...

The air quality in Las Vegas has reached unhealthy levels due to smoke from the Gifford Fire, a wildfire burning over 60,000 ...

A wildfire in Southern California has burned over 72,000 acres in Santa Barbara and San Luis Obispo counties, officials said.

The revolt by Democrats in the state House and Abbott’s threat ratcheted up a widening fight over congressional maps that ...

An air quality alert is in effect for the entire state of Maine and New Hampshire due to a thick plume of smoke from Canadian ...

Fire broke out about 11:45 a.m. at a home on East Golden Maple Drive, an unincorporated area just west of Germantown Hills.