Allergy-Proof Your Life

10 Best Big Cities for People With Asthma

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9. Raleigh, North Carolina

 •Population: 1,214,516
 •2014 rank: 20

Raleigh, along with neighbors Durham and Chapel Hill, is known for its "Tees, trees, and PhDs," all of which make it an attractive habitat for people with or without asthma.

The city scores high for air quality, although it still lags in the area of no-smoking laws in public places. (Tobacco smoke is a potent asthma trigger that can bring on an asthma attack in some people.)

Next: 8. Sarasota, Florida