Air quality reference
Clarksville, TN-KY
Clarksville, TN-KY has a published AQI value of 46, categorized as Good, for 2026-03-31T00:00:00+00:00. The defining parameter is PM2.5, based on 2 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
- Clarksville, TN-KY
- Air quality index
- 46
- Category
- Good
- Defining parameter
- PM2.5
- Sites reporting
- 2
- Measured at
- 2026-03-31T00:00:00+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
90.00 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 | 90.00 days | provisional-current-year | — |
| 2025 | 365.00 days | — | — |
| 2024 | 366.00 days | — | — |
| 2023 | 365.00 days | — | — |
| 2022 | 365.00 days | — | — |
| 2021 | 365.00 days | — | — |
| 2020 | 366.00 days | — | — |
| 2019 | 365.00 days | — | — |
| 2018 | 365.00 days | — | — |
| 2017 | 362.00 days | — | — |
| 2016 | 364.00 days | — | — |
| 2015 | 365.00 days | — | — |
| 2014 | 364.00 days | — | — |
| 2013 | 365.00 days | — | — |
| 2012 | 366.00 days | — | — |
| 2011 | 355.00 days | — | — |
| 2010 | 364.00 days | — | — |
| 2009 | 358.00 days | — | — |
| 2008 | 366.00 days | — | — |
| 2007 | 364.00 days | — | — |
| 2006 | 365.00 days | — | — |
| 2005 | 361.00 days | — | — |
| 2004 | 365.00 days | — | — |
| 2003 | 362.00 days | — | — |
| 2002 | 360.00 days | — | — |
| 2001 | 365.00 days | — | — |
| 2000 | 363.00 days | — | — |
| 1999 | 350.00 days | — | — |
| 1998 | 362.00 days | — | — |
| 1997 | 362.00 days | — | — |
| 1996 | 316.00 days | — | — |
| 1995 | 365.00 days | — | — |
| 1994 | 351.00 days | — | — |
| 1993 | 351.00 days | — | — |
| 1989 | 144.00 days | — | — |
| 1988 | 182.00 days | — | — |
| 1987 | 183.00 days | — | — |
| 1986 | 207.00 days | — | — |
| 1985 | 209.00 days | — | — |
| 1984 | 213.00 days | — | — |
| 1983 | 357.00 days | — | — |
| 1982 | 363.00 days | — | — |
| 1981 | 91.00 days | — | — |
Annual indicator
Good AQI days
59.00 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 | 59.00 days | provisional-current-year | — |
| 2025 | 263.00 days | — | — |
| 2024 | 271.00 days | — | — |
| 2023 | 205.00 days | — | — |
| 2022 | 195.00 days | — | — |
| 2021 | 186.00 days | — | — |
| 2020 | 259.00 days | — | — |
| 2019 | 248.00 days | — | — |
| 2018 | 221.00 days | — | — |
| 2017 | 229.00 days | — | — |
| 2016 | 236.00 days | — | — |
| 2015 | 209.00 days | — | — |
| 2014 | 185.00 days | — | — |
| 2013 | 185.00 days | — | — |
| 2012 | 230.00 days | — | — |
| 2011 | 209.00 days | — | — |
| 2010 | 193.00 days | — | — |
| 2009 | 245.00 days | — | — |
| 2008 | 214.00 days | — | — |
| 2007 | 110.00 days | — | — |
| 2006 | 184.00 days | — | — |
| 2005 | 181.00 days | — | — |
| 2004 | 209.00 days | — | — |
| 2003 | 189.00 days | — | — |
| 2002 | 197.00 days | — | — |
| 2001 | 180.00 days | — | — |
| 2000 | 159.00 days | — | — |
| 1999 | 136.00 days | — | — |
| 1998 | 211.00 days | — | — |
| 1997 | 245.00 days | — | — |
| 1996 | 210.00 days | — | — |
| 1995 | 227.00 days | — | — |
| 1994 | 223.00 days | — | — |
| 1993 | 269.00 days | — | — |
| 1989 | 137.00 days | — | — |
| 1988 | 94.00 days | — | — |
| 1987 | 102.00 days | — | — |
| 1986 | 169.00 days | — | — |
| 1985 | 158.00 days | — | — |
| 1984 | 136.00 days | — | — |
| 1983 | 242.00 days | — | — |
| 1982 | 249.00 days | — | — |
| 1981 | 79.00 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 | — | — |
| 1998 | 0.00 days | — | — |
| 1997 | 0.00 days | — | — |
| 1996 | 0.00 days | — | — |
| 1995 | 0.00 days | — | — |
| 1994 | 0.00 days | — | — |
| 1993 | 0.00 days | — | — |
| 1989 | 0.00 days | — | — |
| 1988 | 0.00 days | — | — |
| 1987 | 0.00 days | — | — |
| 1986 | 0.00 days | — | — |
| 1985 | 0.00 days | — | — |
| 1984 | 0.00 days | — | — |
| 1983 | 0.00 days | — | — |
| 1982 | 0.00 days | — | — |
| 1981 | 0.00 days | — | — |
Annual indicator
Maximum daily AQI
81.00 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 | 81.00 AQI index | provisional-current-year | — |
| 2025 | 130.00 AQI index | — | — |
| 2024 | 84.00 AQI index | — | — |
| 2023 | 117.00 AQI index | — | — |
| 2022 | 87.00 AQI index | — | — |
| 2021 | 138.00 AQI index | — | — |
| 2020 | 116.00 AQI index | — | — |
| 2019 | 87.00 AQI index | — | — |
| 2018 | 90.00 AQI index | — | — |
| 2017 | 87.00 AQI index | — | — |
| 2016 | 90.00 AQI index | — | — |
| 2015 | 87.00 AQI index | — | — |
| 2014 | 101.00 AQI index | — | — |
| 2013 | 115.00 AQI index | — | — |
| 2012 | 159.00 AQI index | — | — |
| 2011 | 112.00 AQI index | — | — |
| 2010 | 147.00 AQI index | — | — |
| 2009 | 136.00 AQI index | — | — |
| 2008 | 115.00 AQI index | — | — |
| 2007 | 166.00 AQI index | — | — |
| 2006 | 136.00 AQI index | — | — |
| 2005 | 154.00 AQI index | — | — |
| 2004 | 136.00 AQI index | — | — |
| 2003 | 151.00 AQI index | — | — |
| 2002 | 182.00 AQI index | — | — |
| 2001 | 159.00 AQI index | — | — |
| 2000 | 179.00 AQI index | — | — |
| 1999 | 204.00 AQI index | — | — |
| 1998 | 195.00 AQI index | — | — |
| 1997 | 166.00 AQI index | — | — |
| 1996 | 161.00 AQI index | — | — |
| 1995 | 172.00 AQI index | — | — |
| 1994 | 185.00 AQI index | — | — |
| 1993 | 147.00 AQI index | — | — |
| 1989 | 56.00 AQI index | — | — |
| 1988 | 204.00 AQI index | — | — |
| 1987 | 140.00 AQI index | — | — |
| 1986 | 133.00 AQI index | — | — |
| 1985 | 143.00 AQI index | — | — |
| 1984 | 156.00 AQI index | — | — |
| 1983 | 187.00 AQI index | — | — |
| 1982 | 156.00 AQI index | — | — |
| 1981 | 154.00 AQI index | — | — |
Annual indicator
Median daily AQI
43.00 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 | 43.00 AQI index | provisional-current-year | — |
| 2025 | 42.00 AQI index | — | — |
| 2024 | 42.00 AQI index | — | — |
| 2023 | 47.00 AQI index | — | — |
| 2022 | 49.00 AQI index | — | — |
| 2021 | 50.00 AQI index | — | — |
| 2020 | 44.00 AQI index | — | — |
| 2019 | 43.00 AQI index | — | — |
| 2018 | 44.00 AQI index | — | — |
| 2017 | 45.00 AQI index | — | — |
| 2016 | 45.00 AQI index | — | — |
| 2015 | 48.00 AQI index | — | — |
| 2014 | 50.00 AQI index | — | — |
| 2013 | 49.00 AQI index | — | — |
| 2012 | 45.00 AQI index | — | — |
| 2011 | 46.00 AQI index | — | — |
| 2010 | 49.00 AQI index | — | — |
| 2009 | 42.00 AQI index | — | — |
| 2008 | 47.00 AQI index | — | — |
| 2007 | 59.00 AQI index | — | — |
| 2006 | 50.00 AQI index | — | — |
| 2005 | 50.00 AQI index | — | — |
| 2004 | 46.00 AQI index | — | — |
| 2003 | 49.00 AQI index | — | — |
| 2002 | 48.00 AQI index | — | — |
| 2001 | 51.00 AQI index | — | — |
| 2000 | 54.00 AQI index | — | — |
| 1999 | 59.00 AQI index | — | — |
| 1998 | 45.00 AQI index | — | — |
| 1997 | 42.00 AQI index | — | — |
| 1996 | 44.00 AQI index | — | — |
| 1995 | 43.00 AQI index | — | — |
| 1994 | 44.00 AQI index | — | — |
| 1993 | 41.00 AQI index | — | — |
| 1989 | 13.00 AQI index | — | — |
| 1988 | 50.00 AQI index | — | — |
| 1987 | 49.00 AQI index | — | — |
| 1986 | 39.00 AQI index | — | — |
| 1985 | 41.00 AQI index | — | — |
| 1984 | 44.00 AQI index | — | — |
| 1983 | 39.00 AQI index | — | — |
| 1982 | 44.00 AQI index | — | — |
| 1981 | 31.00 AQI index | — | — |
Annual indicator
Moderate AQI days
31.00 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 | 31.00 days | provisional-current-year | — |
| 2025 | 101.00 days | — | — |
| 2024 | 95.00 days | — | — |
| 2023 | 155.00 days | — | — |
| 2022 | 170.00 days | — | — |
| 2021 | 178.00 days | — | — |
| 2020 | 105.00 days | — | — |
| 2019 | 117.00 days | — | — |
| 2018 | 144.00 days | — | — |
| 2017 | 133.00 days | — | — |
| 2016 | 128.00 days | — | — |
| 2015 | 156.00 days | — | — |
| 2014 | 178.00 days | — | — |
| 2013 | 179.00 days | — | — |
| 2012 | 122.00 days | — | — |
| 2011 | 144.00 days | — | — |
| 2010 | 160.00 days | — | — |
| 2009 | 112.00 days | — | — |
| 2008 | 148.00 days | — | — |
| 2007 | 204.00 days | — | — |
| 2006 | 159.00 days | — | — |
| 2005 | 148.00 days | — | — |
| 2004 | 146.00 days | — | — |
| 2003 | 143.00 days | — | — |
| 2002 | 128.00 days | — | — |
| 2001 | 153.00 days | — | — |
| 2000 | 159.00 days | — | — |
| 1999 | 138.00 days | — | — |
| 1998 | 95.00 days | — | — |
| 1997 | 77.00 days | — | — |
| 1996 | 79.00 days | — | — |
| 1995 | 96.00 days | — | — |
| 1994 | 89.00 days | — | — |
| 1993 | 64.00 days | — | — |
| 1989 | 7.00 days | — | — |
| 1988 | 57.00 days | — | — |
| 1987 | 62.00 days | — | — |
| 1986 | 34.00 days | — | — |
| 1985 | 44.00 days | — | — |
| 1984 | 60.00 days | — | — |
| 1983 | 68.00 days | — | — |
| 1982 | 91.00 days | — | — |
| 1981 | 6.00 days | — | — |
Annual indicator
90th percentile daily AQI
64.00 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 | 64.00 AQI index | provisional-current-year | — |
| 2025 | 59.00 AQI index | — | — |
| 2024 | 57.00 AQI index | — | — |
| 2023 | 63.00 AQI index | — | — |
| 2022 | 66.00 AQI index | — | — |
| 2021 | 69.00 AQI index | — | — |
| 2020 | 58.00 AQI index | — | — |
| 2019 | 58.00 AQI index | — | — |
| 2018 | 61.00 AQI index | — | — |
| 2017 | 59.00 AQI index | — | — |
| 2016 | 61.00 AQI index | — | — |
| 2015 | 62.00 AQI index | — | — |
| 2014 | 68.00 AQI index | — | — |
| 2013 | 64.00 AQI index | — | — |
| 2012 | 78.00 AQI index | — | — |
| 2011 | 74.00 AQI index | — | — |
| 2010 | 80.00 AQI index | — | — |
| 2009 | 64.00 AQI index | — | — |
| 2008 | 80.00 AQI index | — | — |
| 2007 | 110.00 AQI index | — | — |
| 2006 | 87.00 AQI index | — | — |
| 2005 | 100.00 AQI index | — | — |
| 2004 | 77.00 AQI index | — | — |
| 2003 | 97.00 AQI index | — | — |
| 2002 | 100.00 AQI index | — | — |
| 2001 | 100.00 AQI index | — | — |
| 2000 | 112.00 AQI index | — | — |
| 1999 | 129.00 AQI index | — | — |
| 1998 | 112.00 AQI index | — | — |
| 1997 | 101.00 AQI index | — | — |
| 1996 | 97.00 AQI index | — | — |
| 1995 | 105.00 AQI index | — | — |
| 1994 | 105.00 AQI index | — | — |
| 1993 | 77.00 AQI index | — | — |
| 1989 | 40.00 AQI index | — | — |
| 1988 | 115.00 AQI index | — | — |
| 1987 | 101.00 AQI index | — | — |
| 1986 | 67.00 AQI index | — | — |
| 1985 | 77.00 AQI index | — | — |
| 1984 | 93.00 AQI index | — | — |
| 1983 | 112.00 AQI index | — | — |
| 1982 | 93.00 AQI index | — | — |
| 1981 | 84.00 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 | 0.00 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 | 6.00 days | — | — |
| 2006 | 0.00 days | — | — |
| 2005 | 1.00 days | — | — |
| 2004 | 0.00 days | — | — |
| 2003 | 1.00 days | — | — |
| 2002 | 7.00 days | — | — |
| 2001 | 1.00 days | — | — |
| 2000 | 5.00 days | — | — |
| 1999 | 15.00 days | — | — |
| 1998 | 12.00 days | — | — |
| 1997 | 3.00 days | — | — |
| 1996 | 2.00 days | — | — |
| 1995 | 7.00 days | — | — |
| 1994 | 6.00 days | — | — |
| 1993 | 0.00 days | — | — |
| 1989 | 0.00 days | — | — |
| 1988 | 4.00 days | — | — |
| 1987 | 0.00 days | — | — |
| 1986 | 0.00 days | — | — |
| 1985 | 0.00 days | — | — |
| 1984 | 1.00 days | — | — |
| 1983 | 3.00 days | — | — |
| 1982 | 2.00 days | — | — |
| 1981 | 1.00 days | — | — |
Annual indicator
Unhealthy for sensitive groups days
0.00 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 | 0.00 days | provisional-current-year | — |
| 2025 | 1.00 days | — | — |
| 2024 | 0.00 days | — | — |
| 2023 | 5.00 days | — | — |
| 2022 | 0.00 days | — | — |
| 2021 | 1.00 days | — | — |
| 2020 | 2.00 days | — | — |
| 2019 | 0.00 days | — | — |
| 2018 | 0.00 days | — | — |
| 2017 | 0.00 days | — | — |
| 2016 | 0.00 days | — | — |
| 2015 | 0.00 days | — | — |
| 2014 | 1.00 days | — | — |
| 2013 | 1.00 days | — | — |
| 2012 | 13.00 days | — | — |
| 2011 | 2.00 days | — | — |
| 2010 | 11.00 days | — | — |
| 2009 | 1.00 days | — | — |
| 2008 | 4.00 days | — | — |
| 2007 | 44.00 days | — | — |
| 2006 | 22.00 days | — | — |
| 2005 | 31.00 days | — | — |
| 2004 | 10.00 days | — | — |
| 2003 | 29.00 days | — | — |
| 2002 | 28.00 days | — | — |
| 2001 | 31.00 days | — | — |
| 2000 | 40.00 days | — | — |
| 1999 | 59.00 days | — | — |
| 1998 | 44.00 days | — | — |
| 1997 | 37.00 days | — | — |
| 1996 | 25.00 days | — | — |
| 1995 | 35.00 days | — | — |
| 1994 | 33.00 days | — | — |
| 1993 | 18.00 days | — | — |
| 1989 | 0.00 days | — | — |
| 1988 | 25.00 days | — | — |
| 1987 | 19.00 days | — | — |
| 1986 | 4.00 days | — | — |
| 1985 | 7.00 days | — | — |
| 1984 | 16.00 days | — | — |
| 1983 | 44.00 days | — | — |
| 1982 | 21.00 days | — | — |
| 1981 | 5.00 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 | 0.00 days | — | — |
| 2001 | 0.00 days | — | — |
| 2000 | 0.00 days | — | — |
| 1999 | 2.00 days | — | — |
| 1998 | 0.00 days | — | — |
| 1997 | 0.00 days | — | — |
| 1996 | 0.00 days | — | — |
| 1995 | 0.00 days | — | — |
| 1994 | 0.00 days | — | — |
| 1993 | 0.00 days | — | — |
| 1989 | 0.00 days | — | — |
| 1988 | 2.00 days | — | — |
| 1987 | 0.00 days | — | — |
| 1986 | 0.00 days | — | — |
| 1985 | 0.00 days | — | — |
| 1984 | 0.00 days | — | — |
| 1983 | 0.00 days | — | — |
| 1982 | 0.00 days | — | — |
| 1981 | 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
- 2026-03-31
- 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
- 2026-03-31
- Dataset version
- air-quality-profile-v1
- License
- Original DataOfWorld text
- Attribution
- DataOfWorld
Reference data can change. Verify consequential decisions against the original source.