Air quality reference
Athens-Clarke County, GA
Athens-Clarke County, GA has a published AQI value of 43, categorized as Good, for 2026-04-30T00:00:00+00:00. The defining parameter is Ozone, based on 1 monitoring sites. AQI is a communication index rather than a direct pollutant concentration, and values from different dates, averaging periods or providers should not be treated as interchangeable. This profile provides measurement context and same-category links but does not provide individualized medical advice.
Key facts
- Location
- Athens-Clarke County, GA
- Air quality index
- 43
- Category
- Good
- Defining parameter
- Ozone
- Sites reporting
- 1
- Measured at
- 2026-04-30T00:00:00+00:00
- Measurement context
- Daily AQI summary from U.S. EPA AirData; values are not direct pollutant concentrations
Historical air-quality context
Published EPA annual CBSA indicators
Annual AQI summaries are shown independently from pollutant concentrations. Current-year values are provisional because reporting is incomplete and can be revised.
Annual indicator
Days with published AQI
120.00 days2026
EPA annual CBSA summary field: Days with AQI. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | days | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 120.00 days | provisional-current-year | — |
| 2025 | 365.00 days | — | — |
| 2024 | 364.00 days | — | — |
| 2023 | 365.00 days | — | — |
| 2022 | 362.00 days | — | — |
| 2021 | 365.00 days | — | — |
| 2020 | 366.00 days | — | — |
| 2019 | 365.00 days | — | — |
| 2018 | 332.00 days | — | — |
| 2017 | 360.00 days | — | — |
| 2016 | 362.00 days | — | — |
| 2015 | 358.00 days | — | — |
| 2014 | 356.00 days | — | — |
| 2013 | 365.00 days | — | — |
| 2012 | 366.00 days | — | — |
| 2011 | 365.00 days | — | — |
| 2010 | 365.00 days | — | — |
| 2009 | 363.00 days | — | — |
| 2008 | 362.00 days | — | — |
| 2007 | 357.00 days | — | — |
| 2006 | 365.00 days | — | — |
| 2005 | 364.00 days | — | — |
| 2004 | 326.00 days | — | — |
| 2003 | 249.00 days | — | — |
| 2002 | 226.00 days | — | — |
| 2001 | 100.00 days | — | — |
| 2000 | 92.00 days | — | — |
| 1999 | 99.00 days | — | — |
Annual indicator
Good AQI days
54.00 days2026
EPA annual CBSA summary field: Good Days. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | days | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 54.00 days | provisional-current-year | — |
| 2025 | 211.00 days | — | — |
| 2024 | 222.00 days | — | — |
| 2023 | 173.00 days | — | — |
| 2022 | 201.00 days | — | — |
| 2021 | 195.00 days | — | — |
| 2020 | 249.00 days | — | — |
| 2019 | 171.00 days | — | — |
| 2018 | 207.00 days | — | — |
| 2017 | 249.00 days | — | — |
| 2016 | 241.00 days | — | — |
| 2015 | 229.00 days | — | — |
| 2014 | 164.00 days | — | — |
| 2013 | 197.00 days | — | — |
| 2012 | 169.00 days | — | — |
| 2011 | 156.00 days | — | — |
| 2010 | 153.00 days | — | — |
| 2009 | 169.00 days | — | — |
| 2008 | 132.00 days | — | — |
| 2007 | 103.00 days | — | — |
| 2006 | 88.00 days | — | — |
| 2005 | 101.00 days | — | — |
| 2004 | 129.00 days | — | — |
| 2003 | 118.00 days | — | — |
| 2002 | 85.00 days | — | — |
| 2001 | 18.00 days | — | — |
| 2000 | 4.00 days | — | — |
| 1999 | 11.00 days | — | — |
Annual indicator
Hazardous AQI days
0.00 days2026
EPA annual CBSA summary field: Hazardous Days. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | days | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 0.00 days | provisional-current-year | — |
| 2025 | 0.00 days | — | — |
| 2024 | 0.00 days | — | — |
| 2023 | 0.00 days | — | — |
| 2022 | 0.00 days | — | — |
| 2021 | 0.00 days | — | — |
| 2020 | 0.00 days | — | — |
| 2019 | 0.00 days | — | — |
| 2018 | 0.00 days | — | — |
| 2017 | 0.00 days | — | — |
| 2016 | 0.00 days | — | — |
| 2015 | 0.00 days | — | — |
| 2014 | 0.00 days | — | — |
| 2013 | 0.00 days | — | — |
| 2012 | 0.00 days | — | — |
| 2011 | 0.00 days | — | — |
| 2010 | 0.00 days | — | — |
| 2009 | 0.00 days | — | — |
| 2008 | 0.00 days | — | — |
| 2007 | 0.00 days | — | — |
| 2006 | 0.00 days | — | — |
| 2005 | 0.00 days | — | — |
| 2004 | 0.00 days | — | — |
| 2003 | 0.00 days | — | — |
| 2002 | 0.00 days | — | — |
| 2001 | 0.00 days | — | — |
| 2000 | 0.00 days | — | — |
| 1999 | 0.00 days | — | — |
Annual indicator
Maximum daily AQI
115.00 AQI index2026
EPA annual CBSA summary field: Max AQI. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | AQI index | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 115.00 AQI index | provisional-current-year | — |
| 2025 | 89.00 AQI index | — | — |
| 2024 | 126.00 AQI index | — | — |
| 2023 | 147.00 AQI index | — | — |
| 2022 | 88.00 AQI index | — | — |
| 2021 | 107.00 AQI index | — | — |
| 2020 | 99.00 AQI index | — | — |
| 2019 | 87.00 AQI index | — | — |
| 2018 | 105.00 AQI index | — | — |
| 2017 | 97.00 AQI index | — | — |
| 2016 | 166.00 AQI index | — | — |
| 2015 | 97.00 AQI index | — | — |
| 2014 | 93.00 AQI index | — | — |
| 2013 | 92.00 AQI index | — | — |
| 2012 | 153.00 AQI index | — | — |
| 2011 | 126.00 AQI index | — | — |
| 2010 | 147.00 AQI index | — | — |
| 2009 | 112.00 AQI index | — | — |
| 2008 | 140.00 AQI index | — | — |
| 2007 | 156.00 AQI index | — | — |
| 2006 | 161.00 AQI index | — | — |
| 2005 | 161.00 AQI index | — | — |
| 2004 | 174.00 AQI index | — | — |
| 2003 | 150.00 AQI index | — | — |
| 2002 | 219.00 AQI index | — | — |
| 2001 | 175.00 AQI index | — | — |
| 2000 | 142.00 AQI index | — | — |
| 1999 | 176.00 AQI index | — | — |
Annual indicator
Median daily AQI
54.00 AQI index2026
EPA annual CBSA summary field: Median AQI. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | AQI index | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 54.00 AQI index | provisional-current-year | — |
| 2025 | 46.00 AQI index | — | — |
| 2024 | 46.00 AQI index | — | — |
| 2023 | 52.00 AQI index | — | — |
| 2022 | 47.00 AQI index | — | — |
| 2021 | 49.00 AQI index | — | — |
| 2020 | 44.00 AQI index | — | — |
| 2019 | 52.00 AQI index | — | — |
| 2018 | 46.00 AQI index | — | — |
| 2017 | 43.00 AQI index | — | — |
| 2016 | 44.00 AQI index | — | — |
| 2015 | 44.00 AQI index | — | — |
| 2014 | 52.00 AQI index | — | — |
| 2013 | 47.00 AQI index | — | — |
| 2012 | 52.00 AQI index | — | — |
| 2011 | 53.00 AQI index | — | — |
| 2010 | 54.00 AQI index | — | — |
| 2009 | 52.00 AQI index | — | — |
| 2008 | 55.00 AQI index | — | — |
| 2007 | 59.00 AQI index | — | — |
| 2006 | 61.00 AQI index | — | — |
| 2005 | 59.00 AQI index | — | — |
| 2004 | 56.00 AQI index | — | — |
| 2003 | 51.00 AQI index | — | — |
| 2002 | 58.00 AQI index | — | — |
| 2001 | 63.00 AQI index | — | — |
| 2000 | 67.00 AQI index | — | — |
| 1999 | 67.00 AQI index | — | — |
Annual indicator
Moderate AQI days
64.00 days2026
EPA annual CBSA summary field: Moderate Days. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | days | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 64.00 days | provisional-current-year | — |
| 2025 | 154.00 days | — | — |
| 2024 | 140.00 days | — | — |
| 2023 | 189.00 days | — | — |
| 2022 | 161.00 days | — | — |
| 2021 | 169.00 days | — | — |
| 2020 | 117.00 days | — | — |
| 2019 | 194.00 days | — | — |
| 2018 | 123.00 days | — | — |
| 2017 | 111.00 days | — | — |
| 2016 | 115.00 days | — | — |
| 2015 | 129.00 days | — | — |
| 2014 | 192.00 days | — | — |
| 2013 | 168.00 days | — | — |
| 2012 | 191.00 days | — | — |
| 2011 | 195.00 days | — | — |
| 2010 | 207.00 days | — | — |
| 2009 | 192.00 days | — | — |
| 2008 | 218.00 days | — | — |
| 2007 | 226.00 days | — | — |
| 2006 | 247.00 days | — | — |
| 2005 | 246.00 days | — | — |
| 2004 | 181.00 days | — | — |
| 2003 | 124.00 days | — | — |
| 2002 | 113.00 days | — | — |
| 2001 | 79.00 days | — | — |
| 2000 | 83.00 days | — | — |
| 1999 | 83.00 days | — | — |
Annual indicator
90th percentile daily AQI
79.00 AQI index2026
EPA annual CBSA summary field: 90th Percentile AQI. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | AQI index | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 79.00 AQI index | provisional-current-year | — |
| 2025 | 63.00 AQI index | — | — |
| 2024 | 62.00 AQI index | — | — |
| 2023 | 71.00 AQI index | — | — |
| 2022 | 63.00 AQI index | — | — |
| 2021 | 65.00 AQI index | — | — |
| 2020 | 59.00 AQI index | — | — |
| 2019 | 65.00 AQI index | — | — |
| 2018 | 61.00 AQI index | — | — |
| 2017 | 58.00 AQI index | — | — |
| 2016 | 64.00 AQI index | — | — |
| 2015 | 59.00 AQI index | — | — |
| 2014 | 65.00 AQI index | — | — |
| 2013 | 65.00 AQI index | — | — |
| 2012 | 70.00 AQI index | — | — |
| 2011 | 83.00 AQI index | — | — |
| 2010 | 77.00 AQI index | — | — |
| 2009 | 68.00 AQI index | — | — |
| 2008 | 82.00 AQI index | — | — |
| 2007 | 93.00 AQI index | — | — |
| 2006 | 100.00 AQI index | — | — |
| 2005 | 90.00 AQI index | — | — |
| 2004 | 87.00 AQI index | — | — |
| 2003 | 80.00 AQI index | — | — |
| 2002 | 105.00 AQI index | — | — |
| 2001 | 86.00 AQI index | — | — |
| 2000 | 86.00 AQI index | — | — |
| 1999 | 98.00 AQI index | — | — |
Annual indicator
Unhealthy AQI days
0.00 days2026
EPA annual CBSA summary field: Unhealthy Days. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | days | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 0.00 days | provisional-current-year | — |
| 2025 | 0.00 days | — | — |
| 2024 | 0.00 days | — | — |
| 2023 | 0.00 days | — | — |
| 2022 | 0.00 days | — | — |
| 2021 | 0.00 days | — | — |
| 2020 | 0.00 days | — | — |
| 2019 | 0.00 days | — | — |
| 2018 | 0.00 days | — | — |
| 2017 | 0.00 days | — | — |
| 2016 | 2.00 days | — | — |
| 2015 | 0.00 days | — | — |
| 2014 | 0.00 days | — | — |
| 2013 | 0.00 days | — | — |
| 2012 | 1.00 days | — | — |
| 2011 | 0.00 days | — | — |
| 2010 | 0.00 days | — | — |
| 2009 | 0.00 days | — | — |
| 2008 | 0.00 days | — | — |
| 2007 | 2.00 days | — | — |
| 2006 | 5.00 days | — | — |
| 2005 | 2.00 days | — | — |
| 2004 | 2.00 days | — | — |
| 2003 | 0.00 days | — | — |
| 2002 | 2.00 days | — | — |
| 2001 | 1.00 days | — | — |
| 2000 | 0.00 days | — | — |
| 1999 | 1.00 days | — | — |
Annual indicator
Unhealthy for sensitive groups days
2.00 days2026
EPA annual CBSA summary field: Unhealthy for Sensitive Groups Days. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | days | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 2.00 days | provisional-current-year | — |
| 2025 | 0.00 days | — | — |
| 2024 | 2.00 days | — | — |
| 2023 | 3.00 days | — | — |
| 2022 | 0.00 days | — | — |
| 2021 | 1.00 days | — | — |
| 2020 | 0.00 days | — | — |
| 2019 | 0.00 days | — | — |
| 2018 | 2.00 days | — | — |
| 2017 | 0.00 days | — | — |
| 2016 | 4.00 days | — | — |
| 2015 | 0.00 days | — | — |
| 2014 | 0.00 days | — | — |
| 2013 | 0.00 days | — | — |
| 2012 | 5.00 days | — | — |
| 2011 | 14.00 days | — | — |
| 2010 | 5.00 days | — | — |
| 2009 | 2.00 days | — | — |
| 2008 | 12.00 days | — | — |
| 2007 | 26.00 days | — | — |
| 2006 | 25.00 days | — | — |
| 2005 | 15.00 days | — | — |
| 2004 | 14.00 days | — | — |
| 2003 | 7.00 days | — | — |
| 2002 | 25.00 days | — | — |
| 2001 | 2.00 days | — | — |
| 2000 | 5.00 days | — | — |
| 1999 | 4.00 days | — | — |
Annual indicator
Very unhealthy AQI days
0.00 days2026
EPA annual CBSA summary field: Very Unhealthy Days. Current-year values are provisional because reporting is incomplete and can be revised. Values retain the source period and unit.
View source data
| Period | days | Source flag | Confidentiality |
|---|---|---|---|
| 2026 | 0.00 days | provisional-current-year | — |
| 2025 | 0.00 days | — | — |
| 2024 | 0.00 days | — | — |
| 2023 | 0.00 days | — | — |
| 2022 | 0.00 days | — | — |
| 2021 | 0.00 days | — | — |
| 2020 | 0.00 days | — | — |
| 2019 | 0.00 days | — | — |
| 2018 | 0.00 days | — | — |
| 2017 | 0.00 days | — | — |
| 2016 | 0.00 days | — | — |
| 2015 | 0.00 days | — | — |
| 2014 | 0.00 days | — | — |
| 2013 | 0.00 days | — | — |
| 2012 | 0.00 days | — | — |
| 2011 | 0.00 days | — | — |
| 2010 | 0.00 days | — | — |
| 2009 | 0.00 days | — | — |
| 2008 | 0.00 days | — | — |
| 2007 | 0.00 days | — | — |
| 2006 | 0.00 days | — | — |
| 2005 | 0.00 days | — | — |
| 2004 | 0.00 days | — | — |
| 2003 | 0.00 days | — | — |
| 2002 | 1.00 days | — | — |
| 2001 | 0.00 days | — | — |
| 2000 | 0.00 days | — | — |
| 1999 | 0.00 days | — | — |
Field-level provenance
Sources for this profile
Dates and licenses apply to the specific facts and series supplied by each source.
U.S. EPA AirData
- Applicable date
- 2026-04-30
- Dataset version
- 10350f77cf0f
- License
- U.S. federal factual data; verify third-party fields
- Attribution
- U.S. Environmental Protection Agency
U.S. EPA AirData
- Applicable date
- 2026-07-30
- Dataset version
- annual-aqi-by-cbsa-v1
- License
- U.S. federal factual data; verify third-party fields
- Attribution
- U.S. Environmental Protection Agency
DataOfWorld deterministic air-quality profile template
- Applicable date
- 2026-04-30
- Dataset version
- air-quality-profile-v1
- License
- Original DataOfWorld text
- Attribution
- DataOfWorld
Reference data can change. Verify consequential decisions against the original source.