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Worst Air Quality (% Good Days)

Paradise Valley 12%
Chandler 12%
Palm Springs 13%
Newport Beach 34%
Henderson 37%
Charlotte 43%
Las Cruces 45%
Cambridge 45%
Columbia 47%
Greenville 48%
Park City 53%
San Luis Obispo 54%
Valdosta 55%
Hanover 59%
Provo 59%