The Air Quality Index, or AQI, is the primary system used to warn the public when air pollution is dangerous. It’s based on ...
Officials are warning of windblown ash and other pollutants from Los Angeles-area fires and say air quality readers won't ...
Ash from the recent LA County fires and burn scars formed by other wildfires in the fall can be dispersed by strong winds.
Wildfire ash carries many carcinogens that could cause short- and long-term health problems, including asthma attacks and ...
The National Weather Service has issued a Red Flag Warning for most of San Diego County amid another round of Santa Ana winds ...
Fanned by fierce winds and fueled by vegetation bone-dry after a long period of little or no rain, the Los Angeles fires ...
The extreme fire conditions caused by a "life-threatening" windstorm have been deemed a "particularly dangerous situation," ...
Smoke from wildfires in Los Angeles is drifting to the San Diego region, causing a dip in air quality and prompting North County fire officials to issue a smoke advisory.
European Union cities are unlikely to meet stricter air quality and noise pollution targets in the coming years, the European ...