All Info › Environment › Worst Air Quality › Iowa
Worst Air Quality ZIP Codes in Iowa
Top 50 worst air quality zip codes in america in Iowa. ZIP-level data from EPA Air Quality Index.
Top 50
| # | ZIP Code | City / Suburb | Median AQI |
|---|---|---|---|
| 1 | 50613 | Cedar Falls | 47 |
| 2 | 50623 | — | 47 |
| 3 | 50626 | Dunkerton | 47 |
| 4 | 50634 | Gilbertville | 47 |
| 5 | 50643 | Hudson | 47 |
| 6 | 50648 | Jesup | 47 |
| 7 | 50651 | La Porte City | 47 |
| 8 | 50667 | Raymond | 47 |
| 9 | 50701 | Waterloo | 47 |
| 10 | 50702 | Waterloo | 47 |
| 11 | 50703 | Waterloo | 47 |
| 12 | 50707 | Evansdale | 47 |
| 13 | 52037 | Delmar | 46 |
| 14 | 52254 | Lost Nation | 46 |
| 15 | 52535 | Birmingham | 46 |
| 16 | 52542 | Cantril | 46 |
| 17 | 52551 | Douds | 46 |
| 18 | 52565 | Keosauqua | 46 |
| 19 | 52570 | Milton | 46 |
| 20 | 52573 | Mount Sterling | 46 |
| 21 | 52588 | — | 46 |
| 22 | 52620 | Bonaparte | 46 |
| 23 | 52651 | Stockport | 46 |
| 24 | 52701 | Andover | 46 |
| 25 | 52722 | Bettendorf | 46 |
| 26 | 52726 | Blue Grass | 46 |
| 27 | 52727 | — | 46 |
| 28 | 52728 | Buffalo | 46 |
| 29 | 52729 | Calamus | 46 |
| 30 | 52730 | Camanche | 46 |
| 31 | 52731 | Charlotte | 46 |
| 32 | 52732 | Clinton | 46 |
| 33 | 52742 | DeWitt | 46 |
| 34 | 52745 | Big Rock | 46 |
| 35 | 52746 | Donahue | 46 |
| 36 | 52748 | Eldridge | 46 |
| 37 | 52750 | Goose Lake | 46 |
| 38 | 52751 | Grand Mound | 46 |
| 39 | 52753 | Le Claire | 46 |
| 40 | 52756 | Long Grove | 46 |
| 41 | 52757 | Low Moor | 46 |
| 42 | 52758 | McCausland | 46 |
| 43 | 52765 | New Liberty | 46 |
| 44 | 52767 | — | 46 |
| 45 | 52768 | Princeton | 46 |
| 46 | 52769 | Stockton | 46 |
| 47 | 52771 | — | 46 |
| 48 | 52773 | Walcott | 46 |
| 49 | 52774 | Welton | 46 |
| 50 | 52777 | Wheatland | 46 |
Methodology
This ranking is based on EPA Air Quality Index data, scoped to Iowa ZIP codes. Up to 50 ZIP codes are listed, ordered by median aqi. Data is refreshed periodically. See our methodology page for full details on data sources and update frequency.