Air quality reference
Baton Rouge, LA
Baton Rouge, LA has a published AQI value of 1, categorized as Good, for 2026-06-01T00:00:00+00:00. The defining parameter is CO, 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
- Baton Rouge, LA
- Air quality index
- 1
- Category
- Good
- Defining parameter
- CO
- Sites reporting
- 1
- Measured at
- 2026-06-01T00:00:00+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
152.00 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 | 152.00 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 | 365.00 days | — | — |
| 2016 | 366.00 days | — | — |
| 2015 | 365.00 days | — | — |
| 2014 | 365.00 days | — | — |
| 2013 | 365.00 days | — | — |
| 2012 | 366.00 days | — | — |
| 2011 | 365.00 days | — | — |
| 2010 | 365.00 days | — | — |
| 2009 | 365.00 days | — | — |
| 2008 | 366.00 days | — | — |
| 2007 | 365.00 days | — | — |
| 2006 | 365.00 days | — | — |
| 2005 | 365.00 days | — | — |
| 2004 | 366.00 days | — | — |
| 2003 | 365.00 days | — | — |
| 2002 | 365.00 days | — | — |
| 2001 | 365.00 days | — | — |
| 2000 | 366.00 days | — | — |
| 1999 | 365.00 days | — | — |
| 1998 | 365.00 days | — | — |
| 1997 | 365.00 days | — | — |
| 1996 | 366.00 days | — | — |
| 1995 | 365.00 days | — | — |
| 1994 | 365.00 days | — | — |
| 1993 | 365.00 days | — | — |
| 1992 | 366.00 days | — | — |
| 1991 | 365.00 days | — | — |
| 1990 | 365.00 days | — | — |
| 1989 | 365.00 days | — | — |
| 1988 | 366.00 days | — | — |
| 1987 | 365.00 days | — | — |
| 1986 | 365.00 days | — | — |
| 1985 | 365.00 days | — | — |
| 1984 | 366.00 days | — | — |
| 1983 | 365.00 days | — | — |
| 1982 | 365.00 days | — | — |
| 1981 | 365.00 days | — | — |
| 1980 | 355.00 days | — | — |
Annual indicator
Good AQI days
78.00 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 | 78.00 days | provisional-current-year | — |
| 2025 | 130.00 days | — | — |
| 2024 | 138.00 days | — | — |
| 2023 | 99.00 days | — | — |
| 2022 | 130.00 days | — | — |
| 2021 | 139.00 days | — | — |
| 2020 | 176.00 days | — | — |
| 2019 | 148.00 days | — | — |
| 2018 | 142.00 days | — | — |
| 2017 | 120.00 days | — | — |
| 2016 | 64.00 days | — | — |
| 2015 | 70.00 days | — | — |
| 2014 | 82.00 days | — | — |
| 2013 | 122.00 days | — | — |
| 2012 | 81.00 days | — | — |
| 2011 | 39.00 days | — | — |
| 2010 | 52.00 days | — | — |
| 2009 | 71.00 days | — | — |
| 2008 | 85.00 days | — | — |
| 2007 | 67.00 days | — | — |
| 2006 | 41.00 days | — | — |
| 2005 | 43.00 days | — | — |
| 2004 | 78.00 days | — | — |
| 2003 | 61.00 days | — | — |
| 2002 | 50.00 days | — | — |
| 2001 | 57.00 days | — | — |
| 2000 | 47.00 days | — | — |
| 1999 | 37.00 days | — | — |
| 1998 | 215.00 days | — | — |
| 1997 | 213.00 days | — | — |
| 1996 | 232.00 days | — | — |
| 1995 | 218.00 days | — | — |
| 1994 | 233.00 days | — | — |
| 1993 | 205.00 days | — | — |
| 1992 | 204.00 days | — | — |
| 1991 | 232.00 days | — | — |
| 1990 | 196.00 days | — | — |
| 1989 | 236.00 days | — | — |
| 1988 | 212.00 days | — | — |
| 1987 | 169.00 days | — | — |
| 1986 | 176.00 days | — | — |
| 1985 | 159.00 days | — | — |
| 1984 | 196.00 days | — | — |
| 1983 | 210.00 days | — | — |
| 1982 | 270.00 days | — | — |
| 1981 | 225.00 days | — | — |
| 1980 | 231.00 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 | — | — |
| 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 | — | — |
| 1980 | 0.00 days | — | — |
Annual indicator
Maximum daily AQI
126.00 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 | 126.00 AQI index | provisional-current-year | — |
| 2025 | 122.00 AQI index | — | — |
| 2024 | 159.00 AQI index | — | — |
| 2023 | 154.00 AQI index | — | — |
| 2022 | 156.00 AQI index | — | — |
| 2021 | 159.00 AQI index | — | — |
| 2020 | 136.00 AQI index | — | — |
| 2019 | 119.00 AQI index | — | — |
| 2018 | 153.00 AQI index | — | — |
| 2017 | 140.00 AQI index | — | — |
| 2016 | 146.00 AQI index | — | — |
| 2015 | 156.00 AQI index | — | — |
| 2014 | 156.00 AQI index | — | — |
| 2013 | 166.00 AQI index | — | — |
| 2012 | 159.00 AQI index | — | — |
| 2011 | 192.00 AQI index | — | — |
| 2010 | 192.00 AQI index | — | — |
| 2009 | 172.00 AQI index | — | — |
| 2008 | 151.00 AQI index | — | — |
| 2007 | 202.00 AQI index | — | — |
| 2006 | 195.00 AQI index | — | — |
| 2005 | 201.00 AQI index | — | — |
| 2004 | 205.00 AQI index | — | — |
| 2003 | 215.00 AQI index | — | — |
| 2002 | 201.00 AQI index | — | — |
| 2001 | 200.00 AQI index | — | — |
| 2000 | 217.00 AQI index | — | — |
| 1999 | 213.00 AQI index | — | — |
| 1998 | 222.00 AQI index | — | — |
| 1997 | 210.00 AQI index | — | — |
| 1996 | 216.00 AQI index | — | — |
| 1995 | 216.00 AQI index | — | — |
| 1994 | 204.00 AQI index | — | — |
| 1993 | 208.00 AQI index | — | — |
| 1992 | 220.00 AQI index | — | — |
| 1991 | 208.00 AQI index | — | — |
| 1990 | 234.00 AQI index | — | — |
| 1989 | 220.00 AQI index | — | — |
| 1988 | 220.00 AQI index | — | — |
| 1987 | 227.00 AQI index | — | — |
| 1986 | 201.00 AQI index | — | — |
| 1985 | 225.00 AQI index | — | — |
| 1984 | 227.00 AQI index | — | — |
| 1983 | 210.00 AQI index | — | — |
| 1982 | 259.00 AQI index | — | — |
| 1981 | 229.00 AQI index | — | — |
| 1980 | 244.00 AQI index | — | — |
Annual indicator
Median daily AQI
50.00 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 | 50.00 AQI index | provisional-current-year | — |
| 2025 | 54.00 AQI index | — | — |
| 2024 | 53.00 AQI index | — | — |
| 2023 | 56.00 AQI index | — | — |
| 2022 | 53.00 AQI index | — | — |
| 2021 | 53.00 AQI index | — | — |
| 2020 | 51.00 AQI index | — | — |
| 2019 | 53.00 AQI index | — | — |
| 2018 | 52.00 AQI index | — | — |
| 2017 | 54.00 AQI index | — | — |
| 2016 | 56.00 AQI index | — | — |
| 2015 | 57.00 AQI index | — | — |
| 2014 | 57.00 AQI index | — | — |
| 2013 | 54.00 AQI index | — | — |
| 2012 | 58.00 AQI index | — | — |
| 2011 | 61.00 AQI index | — | — |
| 2010 | 63.00 AQI index | — | — |
| 2009 | 58.00 AQI index | — | — |
| 2008 | 59.00 AQI index | — | — |
| 2007 | 61.00 AQI index | — | — |
| 2006 | 67.00 AQI index | — | — |
| 2005 | 64.00 AQI index | — | — |
| 2004 | 58.00 AQI index | — | — |
| 2003 | 61.00 AQI index | — | — |
| 2002 | 59.00 AQI index | — | — |
| 2001 | 61.00 AQI index | — | — |
| 2000 | 67.00 AQI index | — | — |
| 1999 | 67.00 AQI index | — | — |
| 1998 | 47.00 AQI index | — | — |
| 1997 | 46.00 AQI index | — | — |
| 1996 | 44.00 AQI index | — | — |
| 1995 | 45.00 AQI index | — | — |
| 1994 | 44.00 AQI index | — | — |
| 1993 | 47.00 AQI index | — | — |
| 1992 | 48.00 AQI index | — | — |
| 1991 | 44.00 AQI index | — | — |
| 1990 | 48.00 AQI index | — | — |
| 1989 | 44.00 AQI index | — | — |
| 1988 | 47.00 AQI index | — | — |
| 1987 | 53.00 AQI index | — | — |
| 1986 | 52.00 AQI index | — | — |
| 1985 | 54.00 AQI index | — | — |
| 1984 | 49.00 AQI index | — | — |
| 1983 | 47.00 AQI index | — | — |
| 1982 | 38.00 AQI index | — | — |
| 1981 | 44.00 AQI index | — | — |
| 1980 | 40.00 AQI index | — | — |
Annual indicator
Moderate AQI days
73.00 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 | 73.00 days | provisional-current-year | — |
| 2025 | 232.00 days | — | — |
| 2024 | 214.00 days | — | — |
| 2023 | 242.00 days | — | — |
| 2022 | 224.00 days | — | — |
| 2021 | 221.00 days | — | — |
| 2020 | 184.00 days | — | — |
| 2019 | 208.00 days | — | — |
| 2018 | 204.00 days | — | — |
| 2017 | 237.00 days | — | — |
| 2016 | 293.00 days | — | — |
| 2015 | 278.00 days | — | — |
| 2014 | 270.00 days | — | — |
| 2013 | 234.00 days | — | — |
| 2012 | 257.00 days | — | — |
| 2011 | 286.00 days | — | — |
| 2010 | 278.00 days | — | — |
| 2009 | 275.00 days | — | — |
| 2008 | 249.00 days | — | — |
| 2007 | 251.00 days | — | — |
| 2006 | 260.00 days | — | — |
| 2005 | 248.00 days | — | — |
| 2004 | 245.00 days | — | — |
| 2003 | 257.00 days | — | — |
| 2002 | 284.00 days | — | — |
| 2001 | 270.00 days | — | — |
| 2000 | 232.00 days | — | — |
| 1999 | 257.00 days | — | — |
| 1998 | 99.00 days | — | — |
| 1997 | 82.00 days | — | — |
| 1996 | 84.00 days | — | — |
| 1995 | 78.00 days | — | — |
| 1994 | 85.00 days | — | — |
| 1993 | 103.00 days | — | — |
| 1992 | 103.00 days | — | — |
| 1991 | 92.00 days | — | — |
| 1990 | 98.00 days | — | — |
| 1989 | 80.00 days | — | — |
| 1988 | 96.00 days | — | — |
| 1987 | 125.00 days | — | — |
| 1986 | 128.00 days | — | — |
| 1985 | 151.00 days | — | — |
| 1984 | 118.00 days | — | — |
| 1983 | 105.00 days | — | — |
| 1982 | 60.00 days | — | — |
| 1981 | 70.00 days | — | — |
| 1980 | 57.00 days | — | — |
Annual indicator
90th percentile daily AQI
66.00 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 | 66.00 AQI index | provisional-current-year | — |
| 2025 | 70.00 AQI index | — | — |
| 2024 | 82.00 AQI index | — | — |
| 2023 | 90.00 AQI index | — | — |
| 2022 | 77.00 AQI index | — | — |
| 2021 | 67.00 AQI index | — | — |
| 2020 | 70.00 AQI index | — | — |
| 2019 | 77.00 AQI index | — | — |
| 2018 | 80.00 AQI index | — | — |
| 2017 | 70.00 AQI index | — | — |
| 2016 | 77.00 AQI index | — | — |
| 2015 | 83.00 AQI index | — | — |
| 2014 | 80.00 AQI index | — | — |
| 2013 | 74.00 AQI index | — | — |
| 2012 | 97.00 AQI index | — | — |
| 2011 | 101.00 AQI index | — | — |
| 2010 | 100.00 AQI index | — | — |
| 2009 | 87.00 AQI index | — | — |
| 2008 | 97.00 AQI index | — | — |
| 2007 | 115.00 AQI index | — | — |
| 2006 | 126.00 AQI index | — | — |
| 2005 | 133.00 AQI index | — | — |
| 2004 | 112.00 AQI index | — | — |
| 2003 | 112.00 AQI index | — | — |
| 2002 | 97.00 AQI index | — | — |
| 2001 | 105.00 AQI index | — | — |
| 2000 | 147.00 AQI index | — | — |
| 1999 | 140.00 AQI index | — | — |
| 1998 | 126.00 AQI index | — | — |
| 1997 | 140.00 AQI index | — | — |
| 1996 | 115.00 AQI index | — | — |
| 1995 | 140.00 AQI index | — | — |
| 1994 | 112.00 AQI index | — | — |
| 1993 | 129.00 AQI index | — | — |
| 1992 | 119.00 AQI index | — | — |
| 1991 | 101.00 AQI index | — | — |
| 1990 | 143.00 AQI index | — | — |
| 1989 | 115.00 AQI index | — | — |
| 1988 | 126.00 AQI index | — | — |
| 1987 | 136.00 AQI index | — | — |
| 1986 | 136.00 AQI index | — | — |
| 1985 | 122.00 AQI index | — | — |
| 1984 | 112.00 AQI index | — | — |
| 1983 | 115.00 AQI index | — | — |
| 1982 | 100.00 AQI index | — | — |
| 1981 | 140.00 AQI index | — | — |
| 1980 | 137.00 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 | 2.00 days | — | — |
| 2023 | 1.00 days | — | — |
| 2022 | 1.00 days | — | — |
| 2021 | 1.00 days | — | — |
| 2020 | 0.00 days | — | — |
| 2019 | 0.00 days | — | — |
| 2018 | 1.00 days | — | — |
| 2017 | 0.00 days | — | — |
| 2016 | 0.00 days | — | — |
| 2015 | 2.00 days | — | — |
| 2014 | 1.00 days | — | — |
| 2013 | 2.00 days | — | — |
| 2012 | 3.00 days | — | — |
| 2011 | 6.00 days | — | — |
| 2010 | 3.00 days | — | — |
| 2009 | 6.00 days | — | — |
| 2008 | 1.00 days | — | — |
| 2007 | 9.00 days | — | — |
| 2006 | 17.00 days | — | — |
| 2005 | 19.00 days | — | — |
| 2004 | 9.00 days | — | — |
| 2003 | 16.00 days | — | — |
| 2002 | 3.00 days | — | — |
| 2001 | 10.00 days | — | — |
| 2000 | 28.00 days | — | — |
| 1999 | 28.00 days | — | — |
| 1998 | 18.00 days | — | — |
| 1997 | 23.00 days | — | — |
| 1996 | 13.00 days | — | — |
| 1995 | 25.00 days | — | — |
| 1994 | 12.00 days | — | — |
| 1993 | 20.00 days | — | — |
| 1992 | 8.00 days | — | — |
| 1991 | 12.00 days | — | — |
| 1990 | 20.00 days | — | — |
| 1989 | 12.00 days | — | — |
| 1988 | 18.00 days | — | — |
| 1987 | 19.00 days | — | — |
| 1986 | 21.00 days | — | — |
| 1985 | 19.00 days | — | — |
| 1984 | 9.00 days | — | — |
| 1983 | 15.00 days | — | — |
| 1982 | 9.00 days | — | — |
| 1981 | 22.00 days | — | — |
| 1980 | 13.00 days | — | — |
Annual indicator
Unhealthy for sensitive groups days
1.00 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 | 1.00 days | provisional-current-year | — |
| 2025 | 3.00 days | — | — |
| 2024 | 12.00 days | — | — |
| 2023 | 23.00 days | — | — |
| 2022 | 10.00 days | — | — |
| 2021 | 4.00 days | — | — |
| 2020 | 6.00 days | — | — |
| 2019 | 9.00 days | — | — |
| 2018 | 18.00 days | — | — |
| 2017 | 8.00 days | — | — |
| 2016 | 9.00 days | — | — |
| 2015 | 15.00 days | — | — |
| 2014 | 12.00 days | — | — |
| 2013 | 7.00 days | — | — |
| 2012 | 25.00 days | — | — |
| 2011 | 34.00 days | — | — |
| 2010 | 32.00 days | — | — |
| 2009 | 13.00 days | — | — |
| 2008 | 31.00 days | — | — |
| 2007 | 37.00 days | — | — |
| 2006 | 47.00 days | — | — |
| 2005 | 54.00 days | — | — |
| 2004 | 33.00 days | — | — |
| 2003 | 27.00 days | — | — |
| 2002 | 27.00 days | — | — |
| 2001 | 28.00 days | — | — |
| 2000 | 53.00 days | — | — |
| 1999 | 40.00 days | — | — |
| 1998 | 25.00 days | — | — |
| 1997 | 44.00 days | — | — |
| 1996 | 34.00 days | — | — |
| 1995 | 39.00 days | — | — |
| 1994 | 33.00 days | — | — |
| 1993 | 33.00 days | — | — |
| 1992 | 48.00 days | — | — |
| 1991 | 27.00 days | — | — |
| 1990 | 41.00 days | — | — |
| 1989 | 32.00 days | — | — |
| 1988 | 35.00 days | — | — |
| 1987 | 49.00 days | — | — |
| 1986 | 39.00 days | — | — |
| 1985 | 34.00 days | — | — |
| 1984 | 38.00 days | — | — |
| 1983 | 32.00 days | — | — |
| 1982 | 20.00 days | — | — |
| 1981 | 37.00 days | — | — |
| 1980 | 40.00 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 | 1.00 days | — | — |
| 2006 | 0.00 days | — | — |
| 2005 | 1.00 days | — | — |
| 2004 | 1.00 days | — | — |
| 2003 | 4.00 days | — | — |
| 2002 | 1.00 days | — | — |
| 2001 | 0.00 days | — | — |
| 2000 | 6.00 days | — | — |
| 1999 | 3.00 days | — | — |
| 1998 | 8.00 days | — | — |
| 1997 | 3.00 days | — | — |
| 1996 | 3.00 days | — | — |
| 1995 | 5.00 days | — | — |
| 1994 | 2.00 days | — | — |
| 1993 | 4.00 days | — | — |
| 1992 | 3.00 days | — | — |
| 1991 | 2.00 days | — | — |
| 1990 | 10.00 days | — | — |
| 1989 | 5.00 days | — | — |
| 1988 | 5.00 days | — | — |
| 1987 | 3.00 days | — | — |
| 1986 | 1.00 days | — | — |
| 1985 | 2.00 days | — | — |
| 1984 | 5.00 days | — | — |
| 1983 | 3.00 days | — | — |
| 1982 | 6.00 days | — | — |
| 1981 | 11.00 days | — | — |
| 1980 | 14.00 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
- 2026-06-01
- 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
- 2026-06-01
- Dataset version
- air-quality-profile-v1
- License
- Original DataOfWorld text
- Attribution
- DataOfWorld
Reference data can change. Verify consequential decisions against the original source.