Meanwhile, San Diego–Chula Vista-Carlsbad ranked No. 8 on the list of most ozone-polluted cities in the U.S. It was also named one of the top cities …
These California cities have the worst air quality in the U.S. – Yahoo
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Meanwhile, San Diego–Chula Vista-Carlsbad ranked No. 8 on the list of most ozone-polluted cities in the U.S. It was also named one of the top cities …
In