10 U.S. Cities With the Most Dangerous Air to Breathe

San Francisco

The most polluted cities in the country are San Jose and Oakland, according to the American Lung Association. The bay area was the fourth-worst in the country for year-round particle pollution and ranked 18th for the number of high ozone days. Who’s to blame for this? Well… the accompanying wildfires are first to blame.

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  • DONNA LAGOMARSINO March 7, 2018 at 12:08 am

    Well when Dump gets done with America/Such as No More EPA.. We will have pollution all around in America and more illness & dearth…Wake up Citzens and get Mently Unstable Dump out of the White House and make America great again!!!!!!

  • bob March 9, 2018 at 8:49 pm

    I been wanting to visit Colorodo and Reno .now that I am retired. I do have Copd,,and Uri .I live in upstate New York … We have are probelems wiht carbon ,fumes from cars.