The American Lung Association has compiled information about the country’s most polluted metro areas. There are three categories: pollution by ozone, year round particle pollution, and short-term particle pollution. The top five in each category are as follows:
Pollution by ozone:1. Los Angeles-Long Beach-Riverside, CA2. Bakersfield, CA3. Visalia-Porterville, CA4. Fresno-Madera, CA5. Sacramento-Arden-Arcade-Yuba City, CA/NV
Year-round particle pollution:1. Phoenix-Mesa-Scottsdale, AZ2. Bakersfield, CA3. Los Angeles-Long Beach-Riverside, CA (tied for 3rd)3. Visalia-Porterville, CA (tied for 3rd)5. Pittsburgh-New Castle, PA
Short-term particle pollution:1. Bakersfield, CA2. Fresno-Madera, CA3. Pittsburgh-New Castle, PA4. Los Angeles-Long Beach-Riverside, CA5. Birmingham-Hoover-Cullman, AL
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The top three are Philadelphia, PA, Fresno, CA, and Bakersfield, CA. The Philadelphia area has fifty superfund sites and also has the worst water quality in the US. In terms of water quality, the next two in line are Fresno and New York City.
Here’s an article that has a couple of top 15 lists regarding cities with the most short term and long term pollution, as well as ozone damage. Los Angeles seems to be a consistent offender, scoring number four on most long term pollution, number three on short term, and ranking number one in ozone damage.
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