An urgent health warning has been issued for parts of San Diego, as the National Weather Service has declared an air quality alert.
The alert flags harmful levels of particle pollution, and it remains in effect until the end of the week, with heightened risks including heart attacks and breathing problems.
Deteriorating air quality can be attributed to a combination of factors, including increased wildfire occurrences, wind blowing debris, and emissions from industries and vehicles.
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What is the forecast?…