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Worst Air Quality ZIP Codes in Kentucky
Top 50 worst air quality zip codes in america in Kentucky. ZIP-level data from EPA Air Quality Index.
Top 50
| # | ZIP Code | City / Suburb | Median AQI |
|---|---|---|---|
| 1 | 40023 | Louisville/Jefferson County metro government | 50 |
| 2 | 40025 | Glenview | 50 |
| 3 | 40041 | Louisville | 50 |
| 4 | 40118 | Louisville/Jefferson County metro government | 50 |
| 5 | 40202 | Louisville | 50 |
| 6 | 40203 | Louisville | 50 |
| 7 | 40204 | Louisville | 50 |
| 8 | 40205 | Louisville | 50 |
| 9 | 40206 | Louisville | 50 |
| 10 | 40207 | St. Matthews | 50 |
| 11 | 40208 | Louisville | 50 |
| 12 | 40209 | Louisville | 50 |
| 13 | 40210 | Louisville | 50 |
| 14 | 40211 | Louisville | 50 |
| 15 | 40212 | Louisville | 50 |
| 16 | 40213 | Louisville | 50 |
| 17 | 40214 | Louisville/Jefferson County metro government | 50 |
| 18 | 40215 | Louisville | 50 |
| 19 | 40216 | Louisville/Jefferson County metro government | 50 |
| 20 | 40217 | Louisville | 50 |
| 21 | 40218 | Louisville/Jefferson County metro government | 50 |
| 22 | 40219 | Louisville/Jefferson County metro government | 50 |
| 23 | 40220 | Louisville/Jefferson County metro government | 50 |
| 24 | 40221 | Louisville | 50 |
| 25 | 40222 | Louisville/Jefferson County metro government | 50 |
| 26 | 40223 | Louisville/Jefferson County metro government | 50 |
| 27 | 40228 | Louisville/Jefferson County metro government | 50 |
| 28 | 40229 | Louisville/Jefferson County metro government | 50 |
| 29 | 40231 | Louisville | 50 |
| 30 | 40241 | Louisville/Jefferson County metro government | 50 |
| 31 | 40242 | Lyndon | 50 |
| 32 | 40243 | Middletown | 50 |
| 33 | 40245 | Louisville/Jefferson County metro government | 50 |
| 34 | 40258 | Louisville/Jefferson County metro government | 50 |
| 35 | 40272 | Louisville/Jefferson County metro government | 50 |
| 36 | 40280 | Louisville | 50 |
| 37 | 40291 | Louisville/Jefferson County metro government | 50 |
| 38 | 40299 | Louisville/Jefferson County metro government | 50 |
| 39 | 40813 | — | 44 |
| 40 | 40845 | — | 44 |
| 41 | 40856 | — | 44 |
| 42 | 40902 | Arjay | 44 |
| 43 | 40913 | — | 44 |
| 44 | 40939 | — | 44 |
| 45 | 40940 | — | 44 |
| 46 | 40958 | — | 44 |
| 47 | 40965 | Middlesborough | 44 |
| 48 | 40977 | Pineville | 44 |
| 49 | 40988 | — | 44 |
| 50 | 42348 | Hawesville | 44 |
Methodology
This ranking is based on EPA Air Quality Index data, scoped to Kentucky 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.