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A new report shows that some of the nation's most polluted cities are in Southern California, four of which call the Inland ...

Recent studies show that upgrading HVAC systems and using HEPA filters to improve air quality in classrooms provide health ...

LOS ANGELES (KABC) -- A spring heat wave in Southern California could bring record-breaking temperatures to the region. Hot temperatures are expected Thursday and Friday when parts of the valleys ...

CalTech testing found high lead levels on windows in the Eaton Fire burn area, but cleaning surfaces can make a big ...