A new brush fire ignited in the Woodland Hills neighborhood in northern Los Angeles, immediately prompting mandatory ...

AirNow is a collaborative effort of federal agencies that provides air quality data across the U.S. The site also has ...

As wildfires blaze in California, many are evacuating while firefighters work to extinguish the flames. Residents in and ...

Hundreds of flood warnings and alerts in place after most of country saw heavy snow or icy rainfall over weekend and consequent disruption ...

On Thursday at 12:49 p.m. an air quality alert was issued valid until Saturday at midnight. The alert is for San Bernardino and Riverside County Valleys-The Inland Empire, Riverside County ...

An air quality alert was issued on Thursday at 11:35 a.m. in effect until Saturday at midnight. The alert is for Catalina and Santa Barbara Islands, Santa Clarita Valley, Malibu Coast, Los Angeles ...

Air quality in the Bay Area can be unhealthy at times throughout the year. Spare the Air Alerts are called when ozone pollution is forecast to reach unhealthy levels. Ozone, or smog, can cause ...

The US airline briefly grounded their flights before clearing them to fly again on Christmas Eve, one of the busiest travel days of the year. American Airlines flights have received the all-clear ...

Winter air quality alerts in Phoenix have arrived on schedule as stagnant winter weather conditions and pollution from fireplaces settle over the Valley. The state Department of Environmental ...