Air quality reference
Richmond, VA
Richmond, VA has a published AQI value of 22, categorized as Good, for 2026-05-31T00:00:00+00:00. The defining parameter is PM2.5, based on 5 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
- Richmond, VA
- Air quality index
- 22
- Category
- Good
- Defining parameter
- PM2.5
- Sites reporting
- 5
- Measured at
- 2026-05-31T00:00:00+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
151.00 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 | 151.00 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 | 366.00 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 | 266.00 days | — | — |
| 2024 | 253.00 days | — | — |
| 2023 | 204.00 days | — | — |
| 2022 | 210.00 days | — | — |
| 2021 | 206.00 days | — | — |
| 2020 | 266.00 days | — | — |
| 2019 | 218.00 days | — | — |
| 2018 | 227.00 days | — | — |
| 2017 | 212.00 days | — | — |
| 2016 | 195.00 days | — | — |
| 2015 | 157.00 days | — | — |
| 2014 | 203.00 days | — | — |
| 2013 | 219.00 days | — | — |
| 2012 | 191.00 days | — | — |
| 2011 | 173.00 days | — | — |
| 2010 | 140.00 days | — | — |
| 2009 | 175.00 days | — | — |
| 2008 | 148.00 days | — | — |
| 2007 | 112.00 days | — | — |
| 2006 | 99.00 days | — | — |
| 2005 | 94.00 days | — | — |
| 2004 | 106.00 days | — | — |
| 2003 | 90.00 days | — | — |
| 2002 | 74.00 days | — | — |
| 2001 | 65.00 days | — | — |
| 2000 | 84.00 days | — | — |
| 1999 | 109.00 days | — | — |
| 1998 | 175.00 days | — | — |
| 1997 | 200.00 days | — | — |
| 1996 | 213.00 days | — | — |
| 1995 | 211.00 days | — | — |
| 1994 | 191.00 days | — | — |
| 1993 | 183.00 days | — | — |
| 1992 | 229.00 days | — | — |
| 1991 | 208.00 days | — | — |
| 1990 | 211.00 days | — | — |
| 1989 | 208.00 days | — | — |
| 1988 | 181.00 days | — | — |
| 1987 | 161.00 days | — | — |
| 1986 | 195.00 days | — | — |
| 1985 | 190.00 days | — | — |
| 1984 | 192.00 days | — | — |
| 1983 | 185.00 days | — | — |
| 1982 | 189.00 days | — | — |
| 1981 | 175.00 days | — | — |
| 1980 | 165.00 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
80.00 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 | 80.00 AQI index | provisional-current-year | — |
| 2025 | 101.00 AQI index | — | — |
| 2024 | 112.00 AQI index | — | — |
| 2023 | 159.00 AQI index | — | — |
| 2022 | 112.00 AQI index | — | — |
| 2021 | 112.00 AQI index | — | — |
| 2020 | 80.00 AQI index | — | — |
| 2019 | 100.00 AQI index | — | — |
| 2018 | 147.00 AQI index | — | — |
| 2017 | 154.00 AQI index | — | — |
| 2016 | 129.00 AQI index | — | — |
| 2015 | 119.00 AQI index | — | — |
| 2014 | 122.00 AQI index | — | — |
| 2013 | 150.00 AQI index | — | — |
| 2012 | 179.00 AQI index | — | — |
| 2011 | 197.00 AQI index | — | — |
| 2010 | 182.00 AQI index | — | — |
| 2009 | 115.00 AQI index | — | — |
| 2008 | 205.00 AQI index | — | — |
| 2007 | 179.00 AQI index | — | — |
| 2006 | 179.00 AQI index | — | — |
| 2005 | 200.00 AQI index | — | — |
| 2004 | 164.00 AQI index | — | — |
| 2003 | 202.00 AQI index | — | — |
| 2002 | 221.00 AQI index | — | — |
| 2001 | 203.00 AQI index | — | — |
| 2000 | 169.00 AQI index | — | — |
| 1999 | 223.00 AQI index | — | — |
| 1998 | 217.00 AQI index | — | — |
| 1997 | 219.00 AQI index | — | — |
| 1996 | 166.00 AQI index | — | — |
| 1995 | 203.00 AQI index | — | — |
| 1994 | 213.00 AQI index | — | — |
| 1993 | 210.00 AQI index | — | — |
| 1992 | 197.00 AQI index | — | — |
| 1991 | 192.00 AQI index | — | — |
| 1990 | 202.00 AQI index | — | — |
| 1989 | 177.00 AQI index | — | — |
| 1988 | 239.00 AQI index | — | — |
| 1987 | 208.00 AQI index | — | — |
| 1986 | 201.00 AQI index | — | — |
| 1985 | 207.00 AQI index | — | — |
| 1984 | 197.00 AQI index | — | — |
| 1983 | 223.00 AQI index | — | — |
| 1982 | 201.00 AQI index | — | — |
| 1981 | 208.00 AQI index | — | — |
| 1980 | 213.00 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 | 43.00 AQI index | — | — |
| 2024 | 44.00 AQI index | — | — |
| 2023 | 48.00 AQI index | — | — |
| 2022 | 47.00 AQI index | — | — |
| 2021 | 48.00 AQI index | — | — |
| 2020 | 44.00 AQI index | — | — |
| 2019 | 47.00 AQI index | — | — |
| 2018 | 46.00 AQI index | — | — |
| 2017 | 48.00 AQI index | — | — |
| 2016 | 49.00 AQI index | — | — |
| 2015 | 52.00 AQI index | — | — |
| 2014 | 48.00 AQI index | — | — |
| 2013 | 45.00 AQI index | — | — |
| 2012 | 50.00 AQI index | — | — |
| 2011 | 52.00 AQI index | — | — |
| 2010 | 54.00 AQI index | — | — |
| 2009 | 51.00 AQI index | — | — |
| 2008 | 54.00 AQI index | — | — |
| 2007 | 58.00 AQI index | — | — |
| 2006 | 58.00 AQI index | — | — |
| 2005 | 59.00 AQI index | — | — |
| 2004 | 58.00 AQI index | — | — |
| 2003 | 60.00 AQI index | — | — |
| 2002 | 61.00 AQI index | — | — |
| 2001 | 63.00 AQI index | — | — |
| 2000 | 62.00 AQI index | — | — |
| 1999 | 60.00 AQI index | — | — |
| 1998 | 52.00 AQI index | — | — |
| 1997 | 48.00 AQI index | — | — |
| 1996 | 47.00 AQI index | — | — |
| 1995 | 48.00 AQI index | — | — |
| 1994 | 49.00 AQI index | — | — |
| 1993 | 50.00 AQI index | — | — |
| 1992 | 44.00 AQI index | — | — |
| 1991 | 48.00 AQI index | — | — |
| 1990 | 47.00 AQI index | — | — |
| 1989 | 47.00 AQI index | — | — |
| 1988 | 51.00 AQI index | — | — |
| 1987 | 52.00 AQI index | — | — |
| 1986 | 47.00 AQI index | — | — |
| 1985 | 48.00 AQI index | — | — |
| 1984 | 48.00 AQI index | — | — |
| 1983 | 50.00 AQI index | — | — |
| 1982 | 47.00 AQI index | — | — |
| 1981 | 52.00 AQI index | — | — |
| 1980 | 54.00 AQI index | — | — |
Annual indicator
Moderate AQI days
47.00 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 | 47.00 days | provisional-current-year | — |
| 2025 | 98.00 days | — | — |
| 2024 | 112.00 days | — | — |
| 2023 | 156.00 days | — | — |
| 2022 | 154.00 days | — | — |
| 2021 | 156.00 days | — | — |
| 2020 | 100.00 days | — | — |
| 2019 | 147.00 days | — | — |
| 2018 | 136.00 days | — | — |
| 2017 | 152.00 days | — | — |
| 2016 | 167.00 days | — | — |
| 2015 | 205.00 days | — | — |
| 2014 | 160.00 days | — | — |
| 2013 | 145.00 days | — | — |
| 2012 | 156.00 days | — | — |
| 2011 | 170.00 days | — | — |
| 2010 | 200.00 days | — | — |
| 2009 | 188.00 days | — | — |
| 2008 | 186.00 days | — | — |
| 2007 | 209.00 days | — | — |
| 2006 | 235.00 days | — | — |
| 2005 | 225.00 days | — | — |
| 2004 | 233.00 days | — | — |
| 2003 | 243.00 days | — | — |
| 2002 | 233.00 days | — | — |
| 2001 | 252.00 days | — | — |
| 2000 | 247.00 days | — | — |
| 1999 | 196.00 days | — | — |
| 1998 | 116.00 days | — | — |
| 1997 | 98.00 days | — | — |
| 1996 | 112.00 days | — | — |
| 1995 | 103.00 days | — | — |
| 1994 | 109.00 days | — | — |
| 1993 | 96.00 days | — | — |
| 1992 | 101.00 days | — | — |
| 1991 | 99.00 days | — | — |
| 1990 | 109.00 days | — | — |
| 1989 | 121.00 days | — | — |
| 1988 | 109.00 days | — | — |
| 1987 | 128.00 days | — | — |
| 1986 | 125.00 days | — | — |
| 1985 | 105.00 days | — | — |
| 1984 | 119.00 days | — | — |
| 1983 | 91.00 days | — | — |
| 1982 | 131.00 days | — | — |
| 1981 | 139.00 days | — | — |
| 1980 | 138.00 days | — | — |
Annual indicator
90th percentile daily AQI
62.00 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 | 62.00 AQI index | provisional-current-year | — |
| 2025 | 58.00 AQI index | — | — |
| 2024 | 58.00 AQI index | — | — |
| 2023 | 65.00 AQI index | — | — |
| 2022 | 59.00 AQI index | — | — |
| 2021 | 63.00 AQI index | — | — |
| 2020 | 56.00 AQI index | — | — |
| 2019 | 64.00 AQI index | — | — |
| 2018 | 64.00 AQI index | — | — |
| 2017 | 61.00 AQI index | — | — |
| 2016 | 67.00 AQI index | — | — |
| 2015 | 67.00 AQI index | — | — |
| 2014 | 63.00 AQI index | — | — |
| 2013 | 64.00 AQI index | — | — |
| 2012 | 75.00 AQI index | — | — |
| 2011 | 80.00 AQI index | — | — |
| 2010 | 93.00 AQI index | — | — |
| 2009 | 72.00 AQI index | — | — |
| 2008 | 97.00 AQI index | — | — |
| 2007 | 112.00 AQI index | — | — |
| 2006 | 97.00 AQI index | — | — |
| 2005 | 112.00 AQI index | — | — |
| 2004 | 90.00 AQI index | — | — |
| 2003 | 97.00 AQI index | — | — |
| 2002 | 133.00 AQI index | — | — |
| 2001 | 105.00 AQI index | — | — |
| 2000 | 100.00 AQI index | — | — |
| 1999 | 136.00 AQI index | — | — |
| 1998 | 140.00 AQI index | — | — |
| 1997 | 133.00 AQI index | — | — |
| 1996 | 105.00 AQI index | — | — |
| 1995 | 115.00 AQI index | — | — |
| 1994 | 119.00 AQI index | — | — |
| 1993 | 143.00 AQI index | — | — |
| 1992 | 100.00 AQI index | — | — |
| 1991 | 126.00 AQI index | — | — |
| 1990 | 105.00 AQI index | — | — |
| 1989 | 100.00 AQI index | — | — |
| 1988 | 150.00 AQI index | — | — |
| 1987 | 140.00 AQI index | — | — |
| 1986 | 108.00 AQI index | — | — |
| 1985 | 129.00 AQI index | — | — |
| 1984 | 115.00 AQI index | — | — |
| 1983 | 159.00 AQI index | — | — |
| 1982 | 112.00 AQI index | — | — |
| 1981 | 119.00 AQI index | — | — |
| 1980 | 126.00 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 | 3.00 days | — | — |
| 2022 | 0.00 days | — | — |
| 2021 | 0.00 days | — | — |
| 2020 | 0.00 days | — | — |
| 2019 | 0.00 days | — | — |
| 2018 | 0.00 days | — | — |
| 2017 | 1.00 days | — | — |
| 2016 | 0.00 days | — | — |
| 2015 | 0.00 days | — | — |
| 2014 | 0.00 days | — | — |
| 2013 | 0.00 days | — | — |
| 2012 | 4.00 days | — | — |
| 2011 | 2.00 days | — | — |
| 2010 | 4.00 days | — | — |
| 2009 | 0.00 days | — | — |
| 2008 | 5.00 days | — | — |
| 2007 | 7.00 days | — | — |
| 2006 | 9.00 days | — | — |
| 2005 | 8.00 days | — | — |
| 2004 | 2.00 days | — | — |
| 2003 | 4.00 days | — | — |
| 2002 | 18.00 days | — | — |
| 2001 | 14.00 days | — | — |
| 2000 | 3.00 days | — | — |
| 1999 | 27.00 days | — | — |
| 1998 | 21.00 days | — | — |
| 1997 | 18.00 days | — | — |
| 1996 | 5.00 days | — | — |
| 1995 | 19.00 days | — | — |
| 1994 | 10.00 days | — | — |
| 1993 | 24.00 days | — | — |
| 1992 | 8.00 days | — | — |
| 1991 | 15.00 days | — | — |
| 1990 | 5.00 days | — | — |
| 1989 | 11.00 days | — | — |
| 1988 | 15.00 days | — | — |
| 1987 | 26.00 days | — | — |
| 1986 | 7.00 days | — | — |
| 1985 | 17.00 days | — | — |
| 1984 | 17.00 days | — | — |
| 1983 | 38.00 days | — | — |
| 1982 | 9.00 days | — | — |
| 1981 | 12.00 days | — | — |
| 1980 | 12.00 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 | 1.00 days | — | — |
| 2023 | 2.00 days | — | — |
| 2022 | 1.00 days | — | — |
| 2021 | 3.00 days | — | — |
| 2020 | 0.00 days | — | — |
| 2019 | 0.00 days | — | — |
| 2018 | 2.00 days | — | — |
| 2017 | 0.00 days | — | — |
| 2016 | 4.00 days | — | — |
| 2015 | 3.00 days | — | — |
| 2014 | 2.00 days | — | — |
| 2013 | 1.00 days | — | — |
| 2012 | 15.00 days | — | — |
| 2011 | 20.00 days | — | — |
| 2010 | 21.00 days | — | — |
| 2009 | 2.00 days | — | — |
| 2008 | 26.00 days | — | — |
| 2007 | 37.00 days | — | — |
| 2006 | 22.00 days | — | — |
| 2005 | 38.00 days | — | — |
| 2004 | 25.00 days | — | — |
| 2003 | 27.00 days | — | — |
| 2002 | 34.00 days | — | — |
| 2001 | 33.00 days | — | — |
| 2000 | 32.00 days | — | — |
| 1999 | 31.00 days | — | — |
| 1998 | 48.00 days | — | — |
| 1997 | 47.00 days | — | — |
| 1996 | 36.00 days | — | — |
| 1995 | 31.00 days | — | — |
| 1994 | 54.00 days | — | — |
| 1993 | 59.00 days | — | — |
| 1992 | 28.00 days | — | — |
| 1991 | 43.00 days | — | — |
| 1990 | 39.00 days | — | — |
| 1989 | 25.00 days | — | — |
| 1988 | 42.00 days | — | — |
| 1987 | 46.00 days | — | — |
| 1986 | 37.00 days | — | — |
| 1985 | 51.00 days | — | — |
| 1984 | 38.00 days | — | — |
| 1983 | 43.00 days | — | — |
| 1982 | 34.00 days | — | — |
| 1981 | 37.00 days | — | — |
| 1980 | 47.00 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 | 1.00 days | — | — |
| 2007 | 0.00 days | — | — |
| 2006 | 0.00 days | — | — |
| 2005 | 0.00 days | — | — |
| 2004 | 0.00 days | — | — |
| 2003 | 1.00 days | — | — |
| 2002 | 6.00 days | — | — |
| 2001 | 1.00 days | — | — |
| 2000 | 0.00 days | — | — |
| 1999 | 2.00 days | — | — |
| 1998 | 5.00 days | — | — |
| 1997 | 2.00 days | — | — |
| 1996 | 0.00 days | — | — |
| 1995 | 1.00 days | — | — |
| 1994 | 1.00 days | — | — |
| 1993 | 3.00 days | — | — |
| 1992 | 0.00 days | — | — |
| 1991 | 0.00 days | — | — |
| 1990 | 1.00 days | — | — |
| 1989 | 0.00 days | — | — |
| 1988 | 19.00 days | — | — |
| 1987 | 4.00 days | — | — |
| 1986 | 1.00 days | — | — |
| 1985 | 2.00 days | — | — |
| 1984 | 0.00 days | — | — |
| 1983 | 8.00 days | — | — |
| 1982 | 2.00 days | — | — |
| 1981 | 2.00 days | — | — |
| 1980 | 4.00 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
- 2026-05-31
- 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
- 2026-05-31
- Dataset version
- air-quality-profile-v1
- License
- Original DataOfWorld text
- Attribution
- DataOfWorld
Reference data can change. Verify consequential decisions against the original source.