Bay Area's air quality struggles despite green reputation, with high ozone and particle pollution impacting health, ...

Children and other sensitive groups are being urged to remain indoors today across parts of southern California, Oregon and ...

The most recent State of the Air report by the American Lung Association found that more than 150 million Americans breathe ...

Pollution levels in certain parts of the US are soaring to dangerous levels with vulnerable people being advised to avoid ...

Over half of U.S. counties lack air quality monitoring stations, exposing 50.7 million people, especially in rural and ...

The Los Angeles-Long Beach ranked as the nation’s smoggiest region in a report released on Wednesday by the American Lung ...

The American Lung Association has released its annual "State of the Air" report, which found Bakersfield-Delano in California to be the worst in the country for year-round particle pollution, with ...

Cities in California make up a significant proportion of the country's most polluted metropolitan areas when it comes to air ...

Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the ...

The LA area is once again the worst for ozone in the U.S., a pollutant impacting millions more people nationwide, the ...

The State of California has awarded $500 million for educational agencies to buy zero-emission school buses and chargers, ...