Living in Las Vegas can take a toll on residents' health, according to a recent report. Yesterday the American Lung Association released its 15th annual State of the Air report. It places Las Vegas as tenth worst in ozone pollution out of 277 metropolitan cities. Las Vegas had almost twenty high-ozone days, which is way above the federal safe standard of four high-ozone days. Los Angeles still tops the list with 121 high-ozone days.
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