NerdWallet (blog) |
The Best and Worst Cities for Asthma Sufferers: Detailed Rankings
NerdWallet (blog) The 50 largest U.S. cities were included in this analysis. All variables were normalized to range from 0 to 100, with 100 being the best and 0 being the worst. The overall score was calculated by taking the average of the normalized variables by city. |
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