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GreatPlacesToRetire |
The Air Quality table shows the 8-year average of the EPA's Air Quality Index, an approximate indicator of overall air pollution. The index is based on measurements of carbon monoxide, ozone and other pollutants.
The % Good Days column is the percentage of days measured in your favorite city or town that offered good, clean air with the lowest level of pollutants.
Aspen, Colorado ranks highest in air quality among our 99 top retirement cities.
| AIR QUALITY | ||||||
| 2001 - 2008 | ||||||
| Unhealthy | ||||||
| % | Good | Moderate | Days For | Unhealthy | ||
| Good | Days | Days | SensPerson | Days | GPTR | |
| City/Town | Days | per Year | per Year | per Year | per Year | Rank |
| Aspen, CO | 99% | 293 | 3 | 0 | 0 | 1 |
| Great Falls, MT | 98% | 354 | 5 | 1 | 0 | 2 |
| Santa Fe, NM | 98% | 347 | 6 | 0 | 0 | 2 |
| Kailua, Oahu, HI | 98% | 348 | 5 | 1 | 1 | 2 |
| Monterey, CA | 97% | 349 | 9 | 0 | 0 | 5 |
| Bellingham, WA | 97% | 315 | 11 | 0 | 0 | 5 |
| Vail, CO | 96% | 243 | 10 | 0 | 0 | 7 |
| Naples, FL | 96% | 308 | 13 | 0 | 0 | 7 |
| Fargo, ND | 96% | 346 | 14 | 1 | 0 | 7 |
| Bend, OR | 95% | 312 | 18 | 0 | 0 | 10 |
| Port Townsend, WA | 94% | 257 | 17 | 0 | 0 | 11 |
| Kingston, NY | 94% | 337 | 22 | 1 | 0 | 11 |
| Melbourne, FL | 93% | 330 | 22 | 1 | 0 | 13 |
| Good = Air quality is measured as good | ||||||
| Moderate = Air quality is measured as of moderate quality | ||||||
| Unhealthy for SensPerson = Air quality is measured as unhealthy for sensitive persons | ||||||
| Unhealthy = Air quality is measured as unhealthy for all persons | ||||||
| Total number of days measured per location is 365 or less. | ||||||
| GPTR Rank - Higher "% Good Days" is better | ||||||
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