# Counties in Georgia by share of days with good air quality (US EPA AQI), 2016

All 32 values come from U.S. Environmental Protection Agency for 2016, so the places are comparable. 7 counties have no value for that period and are not ranked.

- Indicator id: `aqi_good_days_share`
- Unit: %
- Definition: Days with a daily Air Quality Index of 0 to 50 (good) as a percentage of the days of the year with an AQI in a US county. Calculated by Invokely from the day counts in the EPA AirData annual summaries; both counts are stored with each value.
- Source: U.S. Environmental Protection Agency, EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts (https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual)
- Retrieved: 2026-10-12
- Citation: U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts. https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/good-air-quality-days-share/georgia-counties

| Rank | Place | % |
|---:|---|---:|
| 1 | Chattooga County | 89.7 |
| 2 | Columbia County | 89.3 |
| 3 | Sumter County | 89 |
| 4 | Dawson County | 88.5 |
| 5 | Charlton County | 87.2 |
| 6 | Pike County | 85.5 |
| 7 | Murray County | 84 |
| 8 | Douglas County | 80 |
| 9 | Washington County | 75.6 |
| 10 | Rockdale County | 74.6 |
| 11 | Glynn County | 74.3 |
| 12 | Clarke County | 66.6 |
| 13 | Coweta County | 66.1 |
| 14 | Hall County | 65.5 |
| 15 | Henry County | 65.2 |
| 16 | Coffee County | 65.1 |
| 17 | Chatham County | 64.1 |
| 18 | Houston County | 63.1 |
| 19 | Muscogee County | 62.8 |
| 20 | Lowndes County | 61.5 |
| 21 | Gwinnett County | 60.5 |
| 22 | Richmond County | 59.2 |
| 23 | Wilkinson County | 59 |
| 24 | Clayton County | 55.4 |
| 25 | Dougherty County | 51.5 |
| 26 | Floyd County | 51.2 |
| 27 | Cobb County | 50.4 |
| 28 | Bibb County | 50.3 |
| 29 | Walker County | 48.6 |
| 30 | Paulding County | 42 |
| 31 | DeKalb County | 29.2 |
| 32 | Fulton County | 27.6 |