Air quality reference
Providence-Warwick, RI-MA
Providence-Warwick, RI-MA has a published AQI value of 2, categorized as Good, for 2026-04-01T00:00:00+00:00. The defining parameter is CO, 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
- Providence-Warwick, RI-MA
- Air quality index
- 2
- Category
- Good
- Defining parameter
- CO
- Sites reporting
- 2
- Measured at
- 2026-04-01T00:00:00+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
91.00 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 | 91.00 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
52.00 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 | 52.00 days | provisional-current-year | — |
| 2025 | 256.00 days | — | — |
| 2024 | 279.00 days | — | — |
| 2023 | 200.00 days | — | — |
| 2022 | 243.00 days | — | — |
| 2021 | 213.00 days | — | — |
| 2020 | 176.00 days | — | — |
| 2019 | 203.00 days | — | — |
| 2018 | 181.00 days | — | — |
| 2017 | 184.00 days | — | — |
| 2016 | 177.00 days | — | — |
| 2015 | 158.00 days | — | — |
| 2014 | 180.00 days | — | — |
| 2013 | 156.00 days | — | — |
| 2012 | 174.00 days | — | — |
| 2011 | 137.00 days | — | — |
| 2010 | 210.00 days | — | — |
| 2009 | 217.00 days | — | — |
| 2008 | 176.00 days | — | — |
| 2007 | 181.00 days | — | — |
| 2006 | 164.00 days | — | — |
| 2005 | 139.00 days | — | — |
| 2004 | 127.00 days | — | — |
| 2003 | 115.00 days | — | — |
| 2002 | 147.00 days | — | — |
| 2001 | 103.00 days | — | — |
| 2000 | 142.00 days | — | — |
| 1999 | 145.00 days | — | — |
| 1998 | 250.00 days | — | — |
| 1997 | 267.00 days | — | — |
| 1996 | 258.00 days | — | — |
| 1995 | 279.00 days | — | — |
| 1994 | 256.00 days | — | — |
| 1993 | 278.00 days | — | — |
| 1992 | 274.00 days | — | — |
| 1991 | 245.00 days | — | — |
| 1990 | 242.00 days | — | — |
| 1989 | 234.00 days | — | — |
| 1988 | 225.00 days | — | — |
| 1987 | 221.00 days | — | — |
| 1986 | 221.00 days | — | — |
| 1985 | 186.00 days | — | — |
| 1984 | 153.00 days | — | — |
| 1983 | 142.00 days | — | — |
| 1982 | 151.00 days | — | — |
| 1981 | 146.00 days | — | — |
| 1980 | 104.00 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
82.00 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 | 82.00 AQI index | provisional-current-year | — |
| 2025 | 196.00 AQI index | — | — |
| 2024 | 147.00 AQI index | — | — |
| 2023 | 140.00 AQI index | — | — |
| 2022 | 164.00 AQI index | — | — |
| 2021 | 147.00 AQI index | — | — |
| 2020 | 154.00 AQI index | — | — |
| 2019 | 126.00 AQI index | — | — |
| 2018 | 147.00 AQI index | — | — |
| 2017 | 151.00 AQI index | — | — |
| 2016 | 151.00 AQI index | — | — |
| 2015 | 177.00 AQI index | — | — |
| 2014 | 121.00 AQI index | — | — |
| 2013 | 169.00 AQI index | — | — |
| 2012 | 179.00 AQI index | — | — |
| 2011 | 150.00 AQI index | — | — |
| 2010 | 151.00 AQI index | — | — |
| 2009 | 126.00 AQI index | — | — |
| 2008 | 159.00 AQI index | — | — |
| 2007 | 187.00 AQI index | — | — |
| 2006 | 226.00 AQI index | — | — |
| 2005 | 182.00 AQI index | — | — |
| 2004 | 205.00 AQI index | — | — |
| 2003 | 213.00 AQI index | — | — |
| 2002 | 216.00 AQI index | — | — |
| 2001 | 219.00 AQI index | — | — |
| 2000 | 222.00 AQI index | — | — |
| 1999 | 214.00 AQI index | — | — |
| 1998 | 200.00 AQI index | — | — |
| 1997 | 202.00 AQI index | — | — |
| 1996 | 208.00 AQI index | — | — |
| 1995 | 236.00 AQI index | — | — |
| 1994 | 219.00 AQI index | — | — |
| 1993 | 202.00 AQI index | — | — |
| 1992 | 200.00 AQI index | — | — |
| 1991 | 241.00 AQI index | — | — |
| 1990 | 226.00 AQI index | — | — |
| 1989 | 219.00 AQI index | — | — |
| 1988 | 266.00 AQI index | — | — |
| 1987 | 233.00 AQI index | — | — |
| 1986 | 230.00 AQI index | — | — |
| 1985 | 218.00 AQI index | — | — |
| 1984 | 281.00 AQI index | — | — |
| 1983 | 240.00 AQI index | — | — |
| 1982 | 229.00 AQI index | — | — |
| 1981 | 245.00 AQI index | — | — |
| 1980 | 272.00 AQI index | — | — |
Annual indicator
Median daily AQI
47.00 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 | 47.00 AQI index | provisional-current-year | — |
| 2025 | 43.00 AQI index | — | — |
| 2024 | 42.00 AQI index | — | — |
| 2023 | 48.00 AQI index | — | — |
| 2022 | 44.00 AQI index | — | — |
| 2021 | 47.00 AQI index | — | — |
| 2020 | 51.00 AQI index | — | — |
| 2019 | 48.00 AQI index | — | — |
| 2018 | 51.00 AQI index | — | — |
| 2017 | 50.00 AQI index | — | — |
| 2016 | 51.00 AQI index | — | — |
| 2015 | 52.00 AQI index | — | — |
| 2014 | 51.00 AQI index | — | — |
| 2013 | 53.00 AQI index | — | — |
| 2012 | 52.00 AQI index | — | — |
| 2011 | 54.00 AQI index | — | — |
| 2010 | 47.00 AQI index | — | — |
| 2009 | 46.00 AQI index | — | — |
| 2008 | 52.00 AQI index | — | — |
| 2007 | 51.00 AQI index | — | — |
| 2006 | 53.00 AQI index | — | — |
| 2005 | 54.00 AQI index | — | — |
| 2004 | 55.00 AQI index | — | — |
| 2003 | 55.00 AQI index | — | — |
| 2002 | 54.00 AQI index | — | — |
| 2001 | 57.00 AQI index | — | — |
| 2000 | 55.00 AQI index | — | — |
| 1999 | 53.00 AQI index | — | — |
| 1998 | 43.00 AQI index | — | — |
| 1997 | 43.00 AQI index | — | — |
| 1996 | 44.00 AQI index | — | — |
| 1995 | 41.00 AQI index | — | — |
| 1994 | 43.00 AQI index | — | — |
| 1993 | 42.00 AQI index | — | — |
| 1992 | 41.00 AQI index | — | — |
| 1991 | 44.00 AQI index | — | — |
| 1990 | 44.00 AQI index | — | — |
| 1989 | 45.00 AQI index | — | — |
| 1988 | 46.00 AQI index | — | — |
| 1987 | 46.00 AQI index | — | — |
| 1986 | 47.00 AQI index | — | — |
| 1985 | 50.00 AQI index | — | — |
| 1984 | 54.00 AQI index | — | — |
| 1983 | 57.00 AQI index | — | — |
| 1982 | 57.00 AQI index | — | — |
| 1981 | 57.00 AQI index | — | — |
| 1980 | 64.00 AQI index | — | — |
Annual indicator
Moderate AQI days
39.00 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 | 39.00 days | provisional-current-year | — |
| 2025 | 104.00 days | — | — |
| 2024 | 84.00 days | — | — |
| 2023 | 154.00 days | — | — |
| 2022 | 117.00 days | — | — |
| 2021 | 148.00 days | — | — |
| 2020 | 186.00 days | — | — |
| 2019 | 160.00 days | — | — |
| 2018 | 171.00 days | — | — |
| 2017 | 174.00 days | — | — |
| 2016 | 183.00 days | — | — |
| 2015 | 196.00 days | — | — |
| 2014 | 182.00 days | — | — |
| 2013 | 198.00 days | — | — |
| 2012 | 174.00 days | — | — |
| 2011 | 215.00 days | — | — |
| 2010 | 141.00 days | — | — |
| 2009 | 142.00 days | — | — |
| 2008 | 175.00 days | — | — |
| 2007 | 154.00 days | — | — |
| 2006 | 179.00 days | — | — |
| 2005 | 198.00 days | — | — |
| 2004 | 217.00 days | — | — |
| 2003 | 223.00 days | — | — |
| 2002 | 177.00 days | — | — |
| 2001 | 221.00 days | — | — |
| 2000 | 200.00 days | — | — |
| 1999 | 188.00 days | — | — |
| 1998 | 85.00 days | — | — |
| 1997 | 66.00 days | — | — |
| 1996 | 83.00 days | — | — |
| 1995 | 52.00 days | — | — |
| 1994 | 79.00 days | — | — |
| 1993 | 64.00 days | — | — |
| 1992 | 64.00 days | — | — |
| 1991 | 84.00 days | — | — |
| 1990 | 91.00 days | — | — |
| 1989 | 101.00 days | — | — |
| 1988 | 86.00 days | — | — |
| 1987 | 104.00 days | — | — |
| 1986 | 107.00 days | — | — |
| 1985 | 121.00 days | — | — |
| 1984 | 146.00 days | — | — |
| 1983 | 151.00 days | — | — |
| 1982 | 171.00 days | — | — |
| 1981 | 175.00 days | — | — |
| 1980 | 199.00 days | — | — |
Annual indicator
90th percentile daily AQI
59.00 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 | 59.00 AQI index | provisional-current-year | — |
| 2025 | 64.00 AQI index | — | — |
| 2024 | 60.00 AQI index | — | — |
| 2023 | 67.00 AQI index | — | — |
| 2022 | 64.00 AQI index | — | — |
| 2021 | 64.00 AQI index | — | — |
| 2020 | 64.00 AQI index | — | — |
| 2019 | 62.00 AQI index | — | — |
| 2018 | 67.00 AQI index | — | — |
| 2017 | 66.00 AQI index | — | — |
| 2016 | 68.00 AQI index | — | — |
| 2015 | 74.00 AQI index | — | — |
| 2014 | 64.00 AQI index | — | — |
| 2013 | 74.00 AQI index | — | — |
| 2012 | 74.00 AQI index | — | — |
| 2011 | 78.00 AQI index | — | — |
| 2010 | 78.00 AQI index | — | — |
| 2009 | 72.00 AQI index | — | — |
| 2008 | 80.00 AQI index | — | — |
| 2007 | 93.00 AQI index | — | — |
| 2006 | 85.00 AQI index | — | — |
| 2005 | 89.00 AQI index | — | — |
| 2004 | 84.00 AQI index | — | — |
| 2003 | 93.00 AQI index | — | — |
| 2002 | 115.00 AQI index | — | — |
| 2001 | 105.00 AQI index | — | — |
| 2000 | 89.00 AQI index | — | — |
| 1999 | 96.00 AQI index | — | — |
| 1998 | 90.00 AQI index | — | — |
| 1997 | 97.00 AQI index | — | — |
| 1996 | 90.00 AQI index | — | — |
| 1995 | 90.00 AQI index | — | — |
| 1994 | 90.00 AQI index | — | — |
| 1993 | 80.00 AQI index | — | — |
| 1992 | 87.00 AQI index | — | — |
| 1991 | 97.00 AQI index | — | — |
| 1990 | 90.00 AQI index | — | — |
| 1989 | 97.00 AQI index | — | — |
| 1988 | 122.00 AQI index | — | — |
| 1987 | 105.00 AQI index | — | — |
| 1986 | 101.00 AQI index | — | — |
| 1985 | 129.00 AQI index | — | — |
| 1984 | 147.00 AQI index | — | — |
| 1983 | 161.00 AQI index | — | — |
| 1982 | 112.00 AQI index | — | — |
| 1981 | 112.00 AQI index | — | — |
| 1980 | 143.00 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 | 1.00 days | — | — |
| 2024 | 0.00 days | — | — |
| 2023 | 0.00 days | — | — |
| 2022 | 1.00 days | — | — |
| 2021 | 0.00 days | — | — |
| 2020 | 1.00 days | — | — |
| 2019 | 0.00 days | — | — |
| 2018 | 0.00 days | — | — |
| 2017 | 2.00 days | — | — |
| 2016 | 1.00 days | — | — |
| 2015 | 2.00 days | — | — |
| 2014 | 0.00 days | — | — |
| 2013 | 1.00 days | — | — |
| 2012 | 3.00 days | — | — |
| 2011 | 0.00 days | — | — |
| 2010 | 2.00 days | — | — |
| 2009 | 0.00 days | — | — |
| 2008 | 3.00 days | — | — |
| 2007 | 6.00 days | — | — |
| 2006 | 3.00 days | — | — |
| 2005 | 8.00 days | — | — |
| 2004 | 3.00 days | — | — |
| 2003 | 9.00 days | — | — |
| 2002 | 17.00 days | — | — |
| 2001 | 12.00 days | — | — |
| 2000 | 7.00 days | — | — |
| 1999 | 10.00 days | — | — |
| 1998 | 10.00 days | — | — |
| 1997 | 13.00 days | — | — |
| 1996 | 7.00 days | — | — |
| 1995 | 5.00 days | — | — |
| 1994 | 8.00 days | — | — |
| 1993 | 10.00 days | — | — |
| 1992 | 8.00 days | — | — |
| 1991 | 18.00 days | — | — |
| 1990 | 9.00 days | — | — |
| 1989 | 10.00 days | — | — |
| 1988 | 15.00 days | — | — |
| 1987 | 13.00 days | — | — |
| 1986 | 10.00 days | — | — |
| 1985 | 13.00 days | — | — |
| 1984 | 21.00 days | — | — |
| 1983 | 21.00 days | — | — |
| 1982 | 11.00 days | — | — |
| 1981 | 13.00 days | — | — |
| 1980 | 20.00 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 | 4.00 days | — | — |
| 2024 | 3.00 days | — | — |
| 2023 | 11.00 days | — | — |
| 2022 | 4.00 days | — | — |
| 2021 | 4.00 days | — | — |
| 2020 | 3.00 days | — | — |
| 2019 | 2.00 days | — | — |
| 2018 | 13.00 days | — | — |
| 2017 | 5.00 days | — | — |
| 2016 | 5.00 days | — | — |
| 2015 | 9.00 days | — | — |
| 2014 | 3.00 days | — | — |
| 2013 | 10.00 days | — | — |
| 2012 | 15.00 days | — | — |
| 2011 | 13.00 days | — | — |
| 2010 | 12.00 days | — | — |
| 2009 | 6.00 days | — | — |
| 2008 | 12.00 days | — | — |
| 2007 | 24.00 days | — | — |
| 2006 | 18.00 days | — | — |
| 2005 | 20.00 days | — | — |
| 2004 | 18.00 days | — | — |
| 2003 | 17.00 days | — | — |
| 2002 | 21.00 days | — | — |
| 2001 | 23.00 days | — | — |
| 2000 | 16.00 days | — | — |
| 1999 | 19.00 days | — | — |
| 1998 | 20.00 days | — | — |
| 1997 | 16.00 days | — | — |
| 1996 | 17.00 days | — | — |
| 1995 | 22.00 days | — | — |
| 1994 | 20.00 days | — | — |
| 1993 | 12.00 days | — | — |
| 1992 | 20.00 days | — | — |
| 1991 | 11.00 days | — | — |
| 1990 | 18.00 days | — | — |
| 1989 | 17.00 days | — | — |
| 1988 | 30.00 days | — | — |
| 1987 | 20.00 days | — | — |
| 1986 | 21.00 days | — | — |
| 1985 | 34.00 days | — | — |
| 1984 | 32.00 days | — | — |
| 1983 | 33.00 days | — | — |
| 1982 | 25.00 days | — | — |
| 1981 | 20.00 days | — | — |
| 1980 | 32.00 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 | 1.00 days | — | — |
| 2005 | 0.00 days | — | — |
| 2004 | 1.00 days | — | — |
| 2003 | 1.00 days | — | — |
| 2002 | 3.00 days | — | — |
| 2001 | 6.00 days | — | — |
| 2000 | 1.00 days | — | — |
| 1999 | 3.00 days | — | — |
| 1998 | 0.00 days | — | — |
| 1997 | 3.00 days | — | — |
| 1996 | 1.00 days | — | — |
| 1995 | 7.00 days | — | — |
| 1994 | 2.00 days | — | — |
| 1993 | 1.00 days | — | — |
| 1992 | 0.00 days | — | — |
| 1991 | 7.00 days | — | — |
| 1990 | 5.00 days | — | — |
| 1989 | 3.00 days | — | — |
| 1988 | 10.00 days | — | — |
| 1987 | 7.00 days | — | — |
| 1986 | 6.00 days | — | — |
| 1985 | 11.00 days | — | — |
| 1984 | 14.00 days | — | — |
| 1983 | 18.00 days | — | — |
| 1982 | 7.00 days | — | — |
| 1981 | 11.00 days | — | — |
| 1980 | 11.00 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
- 2026-04-01
- 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
- 2026-04-01
- Dataset version
- air-quality-profile-v1
- License
- Original DataOfWorld text
- Attribution
- DataOfWorld
Reference data can change. Verify consequential decisions against the original source.