Air quality reference
Sevierville, TN
Sevierville, TN has a published AQI value of 50, categorized as Good, for 2026-04-30T00:00:00+00:00. The defining parameter is Ozone, 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
- Sevierville, TN
- Air quality index
- 50
- Category
- Good
- Defining parameter
- Ozone
- Sites reporting
- 2
- 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
119.00 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 | 119.00 days | provisional-current-year | — |
| 2025 | 363.00 days | — | — |
| 2024 | 362.00 days | — | — |
| 2023 | 268.00 days | — | — |
| 2022 | 310.00 days | — | — |
| 2021 | 363.00 days | — | — |
| 2020 | 363.00 days | — | — |
| 2019 | 364.00 days | — | — |
| 2018 | 364.00 days | — | — |
| 2017 | 364.00 days | — | — |
| 2016 | 358.00 days | — | — |
| 2015 | 364.00 days | — | — |
| 2014 | 358.00 days | — | — |
| 2013 | 364.00 days | — | — |
| 2012 | 365.00 days | — | — |
| 2011 | 363.00 days | — | — |
| 2010 | 363.00 days | — | — |
| 2009 | 365.00 days | — | — |
| 2008 | 365.00 days | — | — |
| 2007 | 362.00 days | — | — |
| 2006 | 360.00 days | — | — |
| 2005 | 361.00 days | — | — |
| 2004 | 361.00 days | — | — |
| 2003 | 363.00 days | — | — |
| 2002 | 362.00 days | — | — |
| 2001 | 363.00 days | — | — |
| 2000 | 365.00 days | — | — |
| 1999 | 353.00 days | — | — |
| 1998 | 329.00 days | — | — |
| 1997 | 354.00 days | — | — |
| 1996 | 309.00 days | — | — |
| 1995 | 264.00 days | — | — |
| 1994 | 329.00 days | — | — |
| 1993 | 346.00 days | — | — |
| 1992 | 242.00 days | — | — |
| 1991 | 331.00 days | — | — |
| 1990 | 256.00 days | — | — |
| 1989 | 191.00 days | — | — |
| 1988 | 71.00 days | — | — |
Annual indicator
Good AQI days
104.00 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 | 104.00 days | provisional-current-year | — |
| 2025 | 351.00 days | — | — |
| 2024 | 289.00 days | — | — |
| 2023 | 205.00 days | — | — |
| 2022 | 262.00 days | — | — |
| 2021 | 310.00 days | — | — |
| 2020 | 336.00 days | — | — |
| 2019 | 287.00 days | — | — |
| 2018 | 306.00 days | — | — |
| 2017 | 301.00 days | — | — |
| 2016 | 297.00 days | — | — |
| 2015 | 302.00 days | — | — |
| 2014 | 282.00 days | — | — |
| 2013 | 299.00 days | — | — |
| 2012 | 238.00 days | — | — |
| 2011 | 192.00 days | — | — |
| 2010 | 183.00 days | — | — |
| 2009 | 239.00 days | — | — |
| 2008 | 201.00 days | — | — |
| 2007 | 164.00 days | — | — |
| 2006 | 184.00 days | — | — |
| 2005 | 204.00 days | — | — |
| 2004 | 201.00 days | — | — |
| 2003 | 195.00 days | — | — |
| 2002 | 178.00 days | — | — |
| 2001 | 140.00 days | — | — |
| 2000 | 139.00 days | — | — |
| 1999 | 143.00 days | — | — |
| 1998 | 114.00 days | — | — |
| 1997 | 161.00 days | — | — |
| 1996 | 133.00 days | — | — |
| 1995 | 85.00 days | — | — |
| 1994 | 171.00 days | — | — |
| 1993 | 181.00 days | — | — |
| 1992 | 181.00 days | — | — |
| 1991 | 184.00 days | — | — |
| 1990 | 157.00 days | — | — |
| 1989 | 102.00 days | — | — |
| 1988 | 28.00 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 | — | — |
| 1992 | 0.00 days | — | — |
| 1991 | 0.00 days | — | — |
| 1990 | 0.00 days | — | — |
| 1989 | 0.00 days | — | — |
| 1988 | 0.00 days | — | — |
Annual indicator
Maximum daily AQI
87.00 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 | 87.00 AQI index | provisional-current-year | — |
| 2025 | 84.00 AQI index | — | — |
| 2024 | 93.00 AQI index | — | — |
| 2023 | 115.00 AQI index | — | — |
| 2022 | 93.00 AQI index | — | — |
| 2021 | 93.00 AQI index | — | — |
| 2020 | 105.00 AQI index | — | — |
| 2019 | 90.00 AQI index | — | — |
| 2018 | 115.00 AQI index | — | — |
| 2017 | 90.00 AQI index | — | — |
| 2016 | 112.00 AQI index | — | — |
| 2015 | 112.00 AQI index | — | — |
| 2014 | 97.00 AQI index | — | — |
| 2013 | 100.00 AQI index | — | — |
| 2012 | 154.00 AQI index | — | — |
| 2011 | 151.00 AQI index | — | — |
| 2010 | 147.00 AQI index | — | — |
| 2009 | 112.00 AQI index | — | — |
| 2008 | 151.00 AQI index | — | — |
| 2007 | 166.00 AQI index | — | — |
| 2006 | 159.00 AQI index | — | — |
| 2005 | 156.00 AQI index | — | — |
| 2004 | 151.00 AQI index | — | — |
| 2003 | 182.00 AQI index | — | — |
| 2002 | 202.00 AQI index | — | — |
| 2001 | 195.00 AQI index | — | — |
| 2000 | 206.00 AQI index | — | — |
| 1999 | 202.00 AQI index | — | — |
| 1998 | 208.00 AQI index | — | — |
| 1997 | 197.00 AQI index | — | — |
| 1996 | 172.00 AQI index | — | — |
| 1995 | 203.00 AQI index | — | — |
| 1994 | 206.00 AQI index | — | — |
| 1993 | 187.00 AQI index | — | — |
| 1992 | 129.00 AQI index | — | — |
| 1991 | 151.00 AQI index | — | — |
| 1990 | 172.00 AQI index | — | — |
| 1989 | 147.00 AQI index | — | — |
| 1988 | 187.00 AQI index | — | — |
Annual indicator
Median daily AQI
44.00 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 | 44.00 AQI index | provisional-current-year | — |
| 2025 | 40.00 AQI index | — | — |
| 2024 | 44.00 AQI index | — | — |
| 2023 | 45.00 AQI index | — | — |
| 2022 | 44.00 AQI index | — | — |
| 2021 | 42.00 AQI index | — | — |
| 2020 | 40.00 AQI index | — | — |
| 2019 | 44.00 AQI index | — | — |
| 2018 | 43.00 AQI index | — | — |
| 2017 | 44.00 AQI index | — | — |
| 2016 | 44.00 AQI index | — | — |
| 2015 | 43.00 AQI index | — | — |
| 2014 | 44.00 AQI index | — | — |
| 2013 | 44.00 AQI index | — | — |
| 2012 | 46.00 AQI index | — | — |
| 2011 | 50.00 AQI index | — | — |
| 2010 | 50.00 AQI index | — | — |
| 2009 | 47.00 AQI index | — | — |
| 2008 | 49.00 AQI index | — | — |
| 2007 | 58.00 AQI index | — | — |
| 2006 | 50.00 AQI index | — | — |
| 2005 | 47.00 AQI index | — | — |
| 2004 | 48.00 AQI index | — | — |
| 2003 | 49.00 AQI index | — | — |
| 2002 | 51.00 AQI index | — | — |
| 2001 | 61.00 AQI index | — | — |
| 2000 | 67.00 AQI index | — | — |
| 1999 | 64.00 AQI index | — | — |
| 1998 | 77.00 AQI index | — | — |
| 1997 | 54.00 AQI index | — | — |
| 1996 | 61.00 AQI index | — | — |
| 1995 | 74.00 AQI index | — | — |
| 1994 | 50.00 AQI index | — | — |
| 1993 | 50.00 AQI index | — | — |
| 1992 | 42.00 AQI index | — | — |
| 1991 | 48.00 AQI index | — | — |
| 1990 | 48.00 AQI index | — | — |
| 1989 | 50.00 AQI index | — | — |
| 1988 | 67.00 AQI index | — | — |
Annual indicator
Moderate AQI days
15.00 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 | 15.00 days | provisional-current-year | — |
| 2025 | 12.00 days | — | — |
| 2024 | 73.00 days | — | — |
| 2023 | 60.00 days | — | — |
| 2022 | 48.00 days | — | — |
| 2021 | 53.00 days | — | — |
| 2020 | 26.00 days | — | — |
| 2019 | 77.00 days | — | — |
| 2018 | 54.00 days | — | — |
| 2017 | 63.00 days | — | — |
| 2016 | 58.00 days | — | — |
| 2015 | 61.00 days | — | — |
| 2014 | 76.00 days | — | — |
| 2013 | 65.00 days | — | — |
| 2012 | 122.00 days | — | — |
| 2011 | 148.00 days | — | — |
| 2010 | 153.00 days | — | — |
| 2009 | 121.00 days | — | — |
| 2008 | 135.00 days | — | — |
| 2007 | 134.00 days | — | — |
| 2006 | 133.00 days | — | — |
| 2005 | 125.00 days | — | — |
| 2004 | 142.00 days | — | — |
| 2003 | 135.00 days | — | — |
| 2002 | 105.00 days | — | — |
| 2001 | 149.00 days | — | — |
| 2000 | 121.00 days | — | — |
| 1999 | 98.00 days | — | — |
| 1998 | 107.00 days | — | — |
| 1997 | 112.00 days | — | — |
| 1996 | 103.00 days | — | — |
| 1995 | 102.00 days | — | — |
| 1994 | 112.00 days | — | — |
| 1993 | 119.00 days | — | — |
| 1992 | 52.00 days | — | — |
| 1991 | 104.00 days | — | — |
| 1990 | 71.00 days | — | — |
| 1989 | 62.00 days | — | — |
| 1988 | 23.00 days | — | — |
Annual indicator
90th percentile daily AQI
54.00 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 | 54.00 AQI index | provisional-current-year | — |
| 2025 | 47.00 AQI index | — | — |
| 2024 | 61.00 AQI index | — | — |
| 2023 | 64.00 AQI index | — | — |
| 2022 | 54.00 AQI index | — | — |
| 2021 | 54.00 AQI index | — | — |
| 2020 | 49.00 AQI index | — | — |
| 2019 | 61.00 AQI index | — | — |
| 2018 | 64.00 AQI index | — | — |
| 2017 | 61.00 AQI index | — | — |
| 2016 | 58.00 AQI index | — | — |
| 2015 | 58.00 AQI index | — | — |
| 2014 | 67.00 AQI index | — | — |
| 2013 | 58.00 AQI index | — | — |
| 2012 | 80.00 AQI index | — | — |
| 2011 | 93.00 AQI index | — | — |
| 2010 | 97.00 AQI index | — | — |
| 2009 | 74.00 AQI index | — | — |
| 2008 | 93.00 AQI index | — | — |
| 2007 | 122.00 AQI index | — | — |
| 2006 | 105.00 AQI index | — | — |
| 2005 | 100.00 AQI index | — | — |
| 2004 | 90.00 AQI index | — | — |
| 2003 | 100.00 AQI index | — | — |
| 2002 | 151.00 AQI index | — | — |
| 2001 | 126.00 AQI index | — | — |
| 2000 | 143.00 AQI index | — | — |
| 1999 | 151.00 AQI index | — | — |
| 1998 | 156.00 AQI index | — | — |
| 1997 | 136.00 AQI index | — | — |
| 1996 | 126.00 AQI index | — | — |
| 1995 | 129.00 AQI index | — | — |
| 1994 | 112.00 AQI index | — | — |
| 1993 | 105.00 AQI index | — | — |
| 1992 | 74.00 AQI index | — | — |
| 1991 | 108.00 AQI index | — | — |
| 1990 | 108.00 AQI index | — | — |
| 1989 | 105.00 AQI index | — | — |
| 1988 | 140.00 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 | 2.00 days | — | — |
| 2011 | 1.00 days | — | — |
| 2010 | 0.00 days | — | — |
| 2009 | 0.00 days | — | — |
| 2008 | 2.00 days | — | — |
| 2007 | 12.00 days | — | — |
| 2006 | 5.00 days | — | — |
| 2005 | 3.00 days | — | — |
| 2004 | 1.00 days | — | — |
| 2003 | 3.00 days | — | — |
| 2002 | 37.00 days | — | — |
| 2001 | 13.00 days | — | — |
| 2000 | 25.00 days | — | — |
| 1999 | 40.00 days | — | — |
| 1998 | 29.00 days | — | — |
| 1997 | 20.00 days | — | — |
| 1996 | 13.00 days | — | — |
| 1995 | 14.00 days | — | — |
| 1994 | 3.00 days | — | — |
| 1993 | 7.00 days | — | — |
| 1992 | 0.00 days | — | — |
| 1991 | 1.00 days | — | — |
| 1990 | 4.00 days | — | — |
| 1989 | 0.00 days | — | — |
| 1988 | 5.00 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 | 0.00 days | — | — |
| 2024 | 0.00 days | — | — |
| 2023 | 3.00 days | — | — |
| 2022 | 0.00 days | — | — |
| 2021 | 0.00 days | — | — |
| 2020 | 1.00 days | — | — |
| 2019 | 0.00 days | — | — |
| 2018 | 4.00 days | — | — |
| 2017 | 0.00 days | — | — |
| 2016 | 3.00 days | — | — |
| 2015 | 1.00 days | — | — |
| 2014 | 0.00 days | — | — |
| 2013 | 0.00 days | — | — |
| 2012 | 3.00 days | — | — |
| 2011 | 22.00 days | — | — |
| 2010 | 27.00 days | — | — |
| 2009 | 5.00 days | — | — |
| 2008 | 27.00 days | — | — |
| 2007 | 52.00 days | — | — |
| 2006 | 38.00 days | — | — |
| 2005 | 29.00 days | — | — |
| 2004 | 17.00 days | — | — |
| 2003 | 30.00 days | — | — |
| 2002 | 41.00 days | — | — |
| 2001 | 61.00 days | — | — |
| 2000 | 78.00 days | — | — |
| 1999 | 71.00 days | — | — |
| 1998 | 71.00 days | — | — |
| 1997 | 61.00 days | — | — |
| 1996 | 60.00 days | — | — |
| 1995 | 62.00 days | — | — |
| 1994 | 42.00 days | — | — |
| 1993 | 39.00 days | — | — |
| 1992 | 9.00 days | — | — |
| 1991 | 42.00 days | — | — |
| 1990 | 24.00 days | — | — |
| 1989 | 27.00 days | — | — |
| 1988 | 15.00 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 | 2.00 days | — | — |
| 1999 | 1.00 days | — | — |
| 1998 | 8.00 days | — | — |
| 1997 | 0.00 days | — | — |
| 1996 | 0.00 days | — | — |
| 1995 | 1.00 days | — | — |
| 1994 | 1.00 days | — | — |
| 1993 | 0.00 days | — | — |
| 1992 | 0.00 days | — | — |
| 1991 | 0.00 days | — | — |
| 1990 | 0.00 days | — | — |
| 1989 | 0.00 days | — | — |
| 1988 | 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.