All Info › Environment › Best Air Quality › California
Best Air Quality ZIP Codes in California
Top 50 best air quality zip codes in america in California. ZIP-level data from EPA Air Quality Index.
Top 50
| # | ZIP Code | City / Suburb | Median AQI |
|---|---|---|---|
| 1 | 93512 | Benton | 19 |
| 2 | 93514 | Chalfant | 19 |
| 3 | 93517 | Bridgeport | 19 |
| 4 | 93529 | June Lake | 19 |
| 5 | 93541 | Mono City | 19 |
| 6 | 93546 | Mammoth Lakes | 19 |
| 7 | 94515 | Calistoga | 19 |
| 8 | 94922 | Bodega | 19 |
| 9 | 94923 | Bodega Bay | 19 |
| 10 | 94928 | Rohnert Park | 19 |
| 11 | 94931 | Cotati | 19 |
| 12 | 94951 | Penngrove | 19 |
| 13 | 94954 | Petaluma | 19 |
| 14 | 94972 | Bodega | 19 |
| 15 | 95401 | Santa Rosa | 19 |
| 16 | 95403 | Santa Rosa | 19 |
| 17 | 95404 | Santa Rosa | 19 |
| 18 | 95405 | Santa Rosa | 19 |
| 19 | 95407 | Santa Rosa | 19 |
| 20 | 95409 | Santa Rosa | 19 |
| 21 | 95412 | — | 19 |
| 22 | 95419 | Occidental | 19 |
| 23 | 95421 | Cazadero | 19 |
| 24 | 95425 | Cloverdale | 19 |
| 25 | 95430 | Monte Rio | 19 |
| 26 | 95431 | — | 19 |
| 27 | 95436 | Forestville | 19 |
| 28 | 95439 | Fulton | 19 |
| 29 | 95441 | Geyserville | 19 |
| 30 | 95442 | Glen Ellen | 19 |
| 31 | 95444 | Graton | 19 |
| 32 | 95446 | Guerneville | 19 |
| 33 | 95448 | Healdsburg | 19 |
| 34 | 95450 | Timber Cove | 19 |
| 35 | 95452 | Kenwood | 19 |
| 36 | 95462 | Monte Rio | 19 |
| 37 | 95465 | Bodega | 19 |
| 38 | 95471 | Guerneville | 19 |
| 39 | 95472 | Occidental | 19 |
| 40 | 95476 | Sonoma | 19 |
| 41 | 95480 | — | 19 |
| 42 | 95486 | Monte Rio | 19 |
| 43 | 95492 | Windsor | 19 |
| 44 | 95497 | Sea Ranch | 19 |
| 45 | 96107 | Coleville | 19 |
| 46 | 96133 | Topaz | 19 |
| 47 | 94002 | Belmont | 27 |
| 48 | 94005 | Brisbane | 27 |
| 49 | 94010 | Hillsborough | 27 |
| 50 | 94014 | Daly City | 27 |
Methodology
This ranking is based on EPA Air Quality Index data, scoped to California 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.