World
2023.10.09 04:32 GMT+8

California fights air pollution

Updated 2023.10.09 04:32 GMT+8
Ediz Tiyansan

Air pollution in California and other parts of the Western United States has been getting worse at a time when national levels have improved. 

Los Angeles in particular is under a spotlight for ranking as the worst city in the nation for ozone pollution in a recent report by the American Lung Association. 

So it's with special concern that state officials and corporate sponsors mark California Clean Air Day every year in early October. 

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