Pollution from fireworks briefly made air hazardous, AQMD says

Tiny particles from Fourth of July fireworks left areas of Southern California  with air that was unhealthy or unhealthy for sensitive groups Sunday afternoon, July 5, the South Coast Air Quality Management District said.
The residue from detonated fireworks put air quality in the hazardous category for parts of Los Angeles and Orange counties during the overnight and early morning hours, but receded during the day, the AQMD said in extending its particulate advisory into Sunday.
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