The Santa Barbara County Air Pollution Control District announced an upgraded version of its Permitted Facilities Map, an ...

If the air feels a little heavier today, you're not imagining it. A health advisory for elevated air pollution levels remains ...

The National Weather Service has issued a heat advisory and air quality alert for the third day during the first heat wave of the year.

Philadelphia is under an extreme heat warning with heat index values up to 105 degrees, advising residents to stay cool and ...

The alert will remain go into effect starting at midnight on Saturday, June 21, through Monday, June 23, for counties in Ohio ...

The Pennsylvania Department of Environmental Protection has issued a Code Orange Air Quality Alert for Erie County, signaling ...

Meteorologist Ava Marie says today will be a Impact Weather: day due to the Heat Advisory and Air Quality Alert for Mayrland.

New York's first major heat wave of the year is causing poor air quality conditions in the Lower Hudson Valley Tuesday, June ...

An Air Quality Alert has been issued for the Miami Valley from Saturday (June 21) through Monday (June 23). The Miami Valley ...

A code orange alert has been issued for the Lehigh Valley and eastern Pennsylvania on Monday due to elevated ozone levels as ...

This edition of Weather Tidbits will be discussing the air quality index. The air quality index, or AQI, is a scale used to report daily air quality with associated health effects. An AQI of 0-50 ...