For the first time in at least 20 years, Jefferson County was under a “Code Red” air quality alert Tuesday, according to the Jefferson County Department of Health.

The air quality in eastern Taiwan, which is not industrialized and separated from the west by a mountain chain, experienced good air quality throughout the day.

The South Coast Air Quality Management District (AQMD) released the third preliminary drafts of Proposed Amended Rules (PAR) 1111 and 1121, which aim to reduce nitrogen oxide (NOx) emissions by ...

Several California Republicans represent towns that rely on Medicaid for health care coverage. Their recent budget-cutting ...

Concerns have been brewing in recent days as word of large-scale layoffs at NOAA and its sister branch the National Weather ...

to help keep indoor air clean when air quality is poor. South Coast AQMD—the air pollution control agency for all of Orange County and the urban portions of Los Angeles, Riverside and San ...

A new housing development with roughly 180 homes could replace the old Mercury Insurance buildings near the 57 freeway on ...

Thousands of residents in Southern California were under air quality alerts on Friday, with authorities warning those in ...

Omaha's Weather Leader is tracking a large low pressure system that will move into the mid and upper plains Friday afternoon.

Removing 76 gasoline ads 'would send the message that it's time to end our embrace of polluting fossil fuels,' Senate ...

The Senate voted on a narrower budget bill that is less likely to affect Medicaid, but the chamber will have to reach an agreement with the House later in the year.