Air quality board will vote Friday on phasing out water heaters and furnaces powered by natural gas. These appliances emit ...

The Los Angeles region has some of the most polluted air in the United States, failing to meet standards set by the ...

The worst conditions were in the vicinity of the fires. In East Los Angeles, the air quality index hit an unhealthy 173. Good air quality is considered to be 50 or less. Dr. Puneet Gupta ...

A hidden air pollutant is discovered by Caltech scientists that may change the way smog is studied in Southern California ...

Large swaths of California are under heat advisories Friday and Saturday with officials cautioning against outdoor activities ...

The South Coast Air Quality Management District has issued an air quality alert across parts of the Coachella Valley.

New regulations could add hundreds of dollars to the cost of installing gas-powered furnaces and water heaters.

How Southern California Wildfires Impact Air Quality, Smoke Damage, and Insurance Coverage - The Southern California wildfires ...

In terms of smog, Los Angeles carries a unique distinction. "We have the highest levels in the U.S.," said air quality assessment manager Scott Epstein with the South Coast Air Quality Management ...

Tugboats are an essential tool at the ports of Los Angeles and Long Beach, where they guide larger vessels and move equipment such as barges and cranes. Southern California air quality officials ...