Orange County Coast, Orange County, San Bernardino and Riverside County Valleys, Riverside County Mountains and San Gorgonio ...

Dense toxic smog has blanketed New Delhi, pushing air pollution levels to their worst levels in weeks and disrupting travel.

Orange County Coast, Orange County, San Bernardino and Riverside County Valleys, Riverside County Mountains and San Gorgonio ...

Los Angeles County is the focus of an air quality alert reported at 11:33 a.m. on Sunday by the National Weather Service. The ...

On Monday at 2:37 p.m. the NWS San Diego CA reported an air quality alert in effect until Wednesday at midnight. The alert is ...

On Sunday at 11:33 a.m. the NWS Los Angeles/Oxnard CA reported an air quality alert in effect until Tuesday at midnight. The ...

Since the days of big steel, Pittsburgh's air quality has ranked among the worst in the country. However, a new report ...

Los Angeles County is included in an air quality alert reported by the National Weather Service on Saturday at 12:02 p.m. The ...

The fire produced smoky conditions in Freehold Borough on Thursday, but conditions appeared to be improving by morning.

When air quality is poor, fine particulate matter (PM 2. 5, PM10), nitrogen dioxide, and other contaminants can travel deeper ...

Visuals from Anand Vihar, ITO, and other key areas showed a heavy layer of toxic smog enveloping roads, buildings, and ...

According to data from the Central Pollution Control Board, the Air Quality Index remained in the ‘very poor' category at ...