Cities with the Cleanest Air in Iowa.
Cities in Iowa with the most good AQI days per year.
20 cities ranked · See the national list
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| # | City | Good AQI Days |
|---|---|---|
| 1 | Iowa City | 256 days/yr |
| 2 | Coralville | 256 days/yr |
| 3 | North Liberty | 256 days/yr |
| 4 | Muscatine | 241 days/yr |
| 5 | Des Moines | 224 days/yr |
| 6 | Cedar Rapids | 224 days/yr |
| 7 | Ankeny | 224 days/yr |
| 8 | West Des Moines | 224 days/yr |
| 9 | Urbandale | 224 days/yr |
| 10 | Marion | 224 days/yr |
| 11 | Johnston | 224 days/yr |
| 12 | Altoona | 224 days/yr |
| 13 | Clive | 224 days/yr |
| 14 | Grimes | 224 days/yr |
| 15 | Pleasant Hill | 224 days/yr |
| 16 | Clinton | 217 days/yr |
| 17 | Davenport | 215 days/yr |
| 18 | Bettendorf | 215 days/yr |
| 19 | Waterloo | 195 days/yr |
| 20 | Cedar Falls | 195 days/yr |
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