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 ...
Fanned by fierce winds and fueled by vegetation bone-dry after a long period of little or no rain, the Los Angeles fires ...
Philadelphia officials say residents of the city's Frankford section can return to their normal routines after a massive fire at an industrial building on Christmas Eve prompted air quality ...
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.
Smoke from the raging Southern California wildfires is filling city skylines, causing officials to warn residents of poor air ...
Parts of Southern California have been issued air quality advisories due to 35 wildfires in the region, which release toxins and create dangerous dust levels. The South Coast Air Quality ...
The warning will remain until Thursday as damaging ... until later in the evening when gusts die down. The South Coast Air Quality Management District has issued a smoke advisory in parts of ...
Experts attributed the fog to calm winds, which also led to a sharp fall in the air quality, to the brink of “severe” level ...