# Counties in Georgia by highest daily Air Quality Index (US EPA), 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_max`
- Unit: index
- Definition: Highest daily Air Quality Index (AQI) value recorded in a US county during the year, from the EPA AirData annual summaries. Values above 500 are beyond the AQI scale and are published as EPA computes them.
- Source: U.S. Environmental Protection Agency, EPA AirData annual AQI by county: highest daily AQI (https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual)
- Publisher page: https://invokely.ai/en/publishers/environmental-protection-agency
- Retrieved: 2026-10-12
- Citation: U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: highest daily AQI. https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/highest-daily-air-quality-index/georgia-counties

| Rank | Place | index |
|---:|---|---:|
| 1 | Cobb County | 200 |
| 2 | Walker County | 183 |
| 3 | Clarke County | 166 |
| 4 | Richmond County | 165 |
| 5 | Henry County | 159 |
| 6 | Fulton County | 156 |
| 6 | Hall County | 156 |
| 8 | Coweta County | 154 |
| 9 | DeKalb County | 151 |
| 9 | Douglas County | 151 |
| 9 | Wilkinson County | 151 |
| 12 | Muscogee County | 148 |
| 13 | Bibb County | 147 |
| 13 | Gwinnett County | 147 |
| 15 | Clayton County | 145 |
| 16 | Chatham County | 143 |
| 17 | Rockdale County | 140 |
| 18 | Glynn County | 129 |
| 19 | Dawson County | 126 |
| 19 | Paulding County | 126 |
| 19 | Pike County | 126 |
| 22 | Murray County | 112 |
| 23 | Houston County | 107 |
| 24 | Washington County | 105 |
| 25 | Sumter County | 101 |
| 26 | Dougherty County | 94 |
| 27 | Chattooga County | 93 |
| 27 | Columbia County | 93 |
| 29 | Floyd County | 88 |
| 30 | Lowndes County | 77 |
| 31 | Charlton County | 69 |
| 32 | Coffee County | 59 |