Air quality reference
Bishop, CA
Bishop, CA has a published AQI value of 51, categorized as Moderate, for 2026-04-30T00:00:00+00:00. The defining parameter is Ozone, 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
- Bishop, CA
- Air quality index
- 51
- Category
- Moderate
- Defining parameter
- Ozone
- Sites reporting
- 1
- 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
120.00 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 | 120.00 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 | 364.00 days | — | — |
| 1993 | 365.00 days | — | — |
| 1992 | 363.00 days | — | — |
| 1991 | 132.00 days | — | — |
| 1990 | 76.00 days | — | — |
| 1989 | 68.00 days | — | — |
| 1988 | 79.00 days | — | — |
| 1987 | 69.00 days | — | — |
| 1986 | 12.00 days | — | — |
| 1981 | 198.00 days | — | — |
| 1980 | 175.00 days | — | — |
Annual indicator
Good AQI days
63.00 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 | 63.00 days | provisional-current-year | — |
| 2025 | 136.00 days | — | — |
| 2024 | 90.00 days | — | — |
| 2023 | 106.00 days | — | — |
| 2022 | 117.00 days | — | — |
| 2021 | 100.00 days | — | — |
| 2020 | 158.00 days | — | — |
| 2019 | 226.00 days | — | — |
| 2018 | 192.00 days | — | — |
| 2017 | 195.00 days | — | — |
| 2016 | 238.00 days | — | — |
| 2015 | 191.00 days | — | — |
| 2014 | 222.00 days | — | — |
| 2013 | 219.00 days | — | — |
| 2012 | 198.00 days | — | — |
| 2011 | 159.00 days | — | — |
| 2010 | 236.00 days | — | — |
| 2009 | 215.00 days | — | — |
| 2008 | 197.00 days | — | — |
| 2007 | 168.00 days | — | — |
| 2006 | 176.00 days | — | — |
| 2005 | 168.00 days | — | — |
| 2004 | 167.00 days | — | — |
| 2003 | 179.00 days | — | — |
| 2002 | 159.00 days | — | — |
| 2001 | 155.00 days | — | — |
| 2000 | 184.00 days | — | — |
| 1999 | 150.00 days | — | — |
| 1998 | 190.00 days | — | — |
| 1997 | 230.00 days | — | — |
| 1996 | 224.00 days | — | — |
| 1995 | 272.00 days | — | — |
| 1994 | 182.00 days | — | — |
| 1993 | 276.00 days | — | — |
| 1992 | 296.00 days | — | — |
| 1991 | 120.00 days | — | — |
| 1990 | 66.00 days | — | — |
| 1989 | 46.00 days | — | — |
| 1988 | 58.00 days | — | — |
| 1987 | 53.00 days | — | — |
| 1986 | 12.00 days | — | — |
| 1981 | 171.00 days | — | — |
| 1980 | 155.00 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 | 1.00 days | — | — |
| 2024 | 4.00 days | — | — |
| 2023 | 6.00 days | — | — |
| 2022 | 5.00 days | — | — |
| 2021 | 3.00 days | — | — |
| 2020 | 8.00 days | — | — |
| 2019 | 3.00 days | — | — |
| 2018 | 2.00 days | — | — |
| 2017 | 6.00 days | — | — |
| 2016 | 3.00 days | — | — |
| 2015 | 3.00 days | — | — |
| 2014 | 3.00 days | — | — |
| 2013 | 2.00 days | — | — |
| 2012 | 8.00 days | — | — |
| 2011 | 6.00 days | — | — |
| 2010 | 11.00 days | — | — |
| 2009 | 7.00 days | — | — |
| 2008 | 4.00 days | — | — |
| 2007 | 2.00 days | — | — |
| 2006 | 10.00 days | — | — |
| 2005 | 12.00 days | — | — |
| 2004 | 20.00 days | — | — |
| 2003 | 18.00 days | — | — |
| 2002 | 26.00 days | — | — |
| 2001 | 32.00 days | — | — |
| 2000 | 21.00 days | — | — |
| 1999 | 11.00 days | — | — |
| 1998 | 6.00 days | — | — |
| 1997 | 5.00 days | — | — |
| 1996 | 7.00 days | — | — |
| 1995 | 12.00 days | — | — |
| 1994 | 5.00 days | — | — |
| 1993 | 4.00 days | — | — |
| 1992 | 1.00 days | — | — |
| 1991 | 0.00 days | — | — |
| 1990 | 3.00 days | — | — |
| 1989 | 2.00 days | — | — |
| 1988 | 0.00 days | — | — |
| 1987 | 1.00 days | — | — |
| 1986 | 0.00 days | — | — |
| 1981 | 0.00 days | — | — |
| 1980 | 0.00 days | — | — |
Annual indicator
Maximum daily AQI
97.00 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 | 97.00 AQI index | provisional-current-year | — |
| 2025 | 411.00 AQI index | — | — |
| 2024 | 1,322.00 AQI index | — | — |
| 2023 | 786.00 AQI index | — | — |
| 2022 | 1,551.00 AQI index | — | — |
| 2021 | 558.00 AQI index | — | — |
| 2020 | 705.00 AQI index | — | — |
| 2019 | 653.00 AQI index | — | — |
| 2018 | 638.00 AQI index | — | — |
| 2017 | 2,234.00 AQI index | — | — |
| 2016 | 418.00 AQI index | — | — |
| 2015 | 1,482.00 AQI index | — | — |
| 2014 | 957.00 AQI index | — | — |
| 2013 | 417.00 AQI index | — | — |
| 2012 | 4,182.00 AQI index | — | — |
| 2011 | 14,703.00 AQI index | — | — |
| 2010 | 4,909.00 AQI index | — | — |
| 2009 | 1,503.00 AQI index | — | — |
| 2008 | 733.00 AQI index | — | — |
| 2007 | 637.00 AQI index | — | — |
| 2006 | 9,055.00 AQI index | — | — |
| 2005 | 4,262.00 AQI index | — | — |
| 2004 | 5,637.00 AQI index | — | — |
| 2003 | 18,304.00 AQI index | — | — |
| 2002 | 8,628.00 AQI index | — | — |
| 2001 | 22,897.00 AQI index | — | — |
| 2000 | 11,880.00 AQI index | — | — |
| 1999 | 3,054.00 AQI index | — | — |
| 1998 | 1,456.00 AQI index | — | — |
| 1997 | 2,307.00 AQI index | — | — |
| 1996 | 2,478.00 AQI index | — | — |
| 1995 | 4,197.00 AQI index | — | — |
| 1994 | 1,364.00 AQI index | — | — |
| 1993 | 697.00 AQI index | — | — |
| 1992 | 413.00 AQI index | — | — |
| 1991 | 114.00 AQI index | — | — |
| 1990 | 791.00 AQI index | — | — |
| 1989 | 1,897.00 AQI index | — | — |
| 1988 | 257.00 AQI index | — | — |
| 1987 | 576.00 AQI index | — | — |
| 1986 | 27.00 AQI index | — | — |
| 1981 | 108.00 AQI index | — | — |
| 1980 | 101.00 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 | 55.00 AQI index | — | — |
| 2024 | 61.00 AQI index | — | — |
| 2023 | 61.00 AQI index | — | — |
| 2022 | 58.00 AQI index | — | — |
| 2021 | 61.00 AQI index | — | — |
| 2020 | 57.00 AQI index | — | — |
| 2019 | 47.00 AQI index | — | — |
| 2018 | 49.00 AQI index | — | — |
| 2017 | 49.00 AQI index | — | — |
| 2016 | 45.00 AQI index | — | — |
| 2015 | 49.00 AQI index | — | — |
| 2014 | 48.00 AQI index | — | — |
| 2013 | 47.00 AQI index | — | — |
| 2012 | 49.00 AQI index | — | — |
| 2011 | 54.00 AQI index | — | — |
| 2010 | 44.00 AQI index | — | — |
| 2009 | 48.00 AQI index | — | — |
| 2008 | 49.00 AQI index | — | — |
| 2007 | 51.00 AQI index | — | — |
| 2006 | 51.00 AQI index | — | — |
| 2005 | 51.00 AQI index | — | — |
| 2004 | 57.00 AQI index | — | — |
| 2003 | 51.00 AQI index | — | — |
| 2002 | 60.00 AQI index | — | — |
| 2001 | 58.00 AQI index | — | — |
| 2000 | 50.00 AQI index | — | — |
| 1999 | 58.00 AQI index | — | — |
| 1998 | 50.00 AQI index | — | — |
| 1997 | 46.00 AQI index | — | — |
| 1996 | 44.00 AQI index | — | — |
| 1995 | 40.00 AQI index | — | — |
| 1994 | 51.00 AQI index | — | — |
| 1993 | 38.00 AQI index | — | — |
| 1992 | 42.00 AQI index | — | — |
| 1991 | 22.00 AQI index | — | — |
| 1990 | 23.00 AQI index | — | — |
| 1989 | 37.00 AQI index | — | — |
| 1988 | 34.00 AQI index | — | — |
| 1987 | 33.00 AQI index | — | — |
| 1986 | 20.00 AQI index | — | — |
| 1981 | 38.00 AQI index | — | — |
| 1980 | 37.00 AQI index | — | — |
Annual indicator
Moderate AQI days
57.00 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 | 57.00 days | provisional-current-year | — |
| 2025 | 216.00 days | — | — |
| 2024 | 246.00 days | — | — |
| 2023 | 236.00 days | — | — |
| 2022 | 217.00 days | — | — |
| 2021 | 223.00 days | — | — |
| 2020 | 153.00 days | — | — |
| 2019 | 127.00 days | — | — |
| 2018 | 136.00 days | — | — |
| 2017 | 145.00 days | — | — |
| 2016 | 105.00 days | — | — |
| 2015 | 153.00 days | — | — |
| 2014 | 128.00 days | — | — |
| 2013 | 125.00 days | — | — |
| 2012 | 139.00 days | — | — |
| 2011 | 160.00 days | — | — |
| 2010 | 98.00 days | — | — |
| 2009 | 128.00 days | — | — |
| 2008 | 134.00 days | — | — |
| 2007 | 148.00 days | — | — |
| 2006 | 123.00 days | — | — |
| 2005 | 127.00 days | — | — |
| 2004 | 139.00 days | — | — |
| 2003 | 120.00 days | — | — |
| 2002 | 126.00 days | — | — |
| 2001 | 138.00 days | — | — |
| 2000 | 123.00 days | — | — |
| 1999 | 157.00 days | — | — |
| 1998 | 123.00 days | — | — |
| 1997 | 102.00 days | — | — |
| 1996 | 102.00 days | — | — |
| 1995 | 66.00 days | — | — |
| 1994 | 123.00 days | — | — |
| 1993 | 67.00 days | — | — |
| 1992 | 60.00 days | — | — |
| 1991 | 10.00 days | — | — |
| 1990 | 6.00 days | — | — |
| 1989 | 18.00 days | — | — |
| 1988 | 19.00 days | — | — |
| 1987 | 11.00 days | — | — |
| 1986 | 0.00 days | — | — |
| 1981 | 25.00 days | — | — |
| 1980 | 18.00 days | — | — |
Annual indicator
90th percentile daily AQI
69.00 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 | 69.00 AQI index | provisional-current-year | — |
| 2025 | 81.00 AQI index | — | — |
| 2024 | 93.00 AQI index | — | — |
| 2023 | 90.00 AQI index | — | — |
| 2022 | 97.00 AQI index | — | — |
| 2021 | 115.00 AQI index | — | — |
| 2020 | 130.00 AQI index | — | — |
| 2019 | 84.00 AQI index | — | — |
| 2018 | 101.00 AQI index | — | — |
| 2017 | 87.00 AQI index | — | — |
| 2016 | 87.00 AQI index | — | — |
| 2015 | 90.00 AQI index | — | — |
| 2014 | 84.00 AQI index | — | — |
| 2013 | 87.00 AQI index | — | — |
| 2012 | 93.00 AQI index | — | — |
| 2011 | 105.00 AQI index | — | — |
| 2010 | 93.00 AQI index | — | — |
| 2009 | 87.00 AQI index | — | — |
| 2008 | 100.00 AQI index | — | — |
| 2007 | 112.00 AQI index | — | — |
| 2006 | 115.00 AQI index | — | — |
| 2005 | 133.00 AQI index | — | — |
| 2004 | 119.00 AQI index | — | — |
| 2003 | 132.00 AQI index | — | — |
| 2002 | 158.00 AQI index | — | — |
| 2001 | 184.00 AQI index | — | — |
| 2000 | 126.00 AQI index | — | — |
| 1999 | 115.00 AQI index | — | — |
| 1998 | 112.00 AQI index | — | — |
| 1997 | 98.00 AQI index | — | — |
| 1996 | 102.00 AQI index | — | — |
| 1995 | 80.00 AQI index | — | — |
| 1994 | 115.00 AQI index | — | — |
| 1993 | 71.00 AQI index | — | — |
| 1992 | 67.00 AQI index | — | — |
| 1991 | 44.00 AQI index | — | — |
| 1990 | 56.00 AQI index | — | — |
| 1989 | 81.00 AQI index | — | — |
| 1988 | 69.00 AQI index | — | — |
| 1987 | 84.00 AQI index | — | — |
| 1986 | 27.00 AQI index | — | — |
| 1981 | 54.00 AQI index | — | — |
| 1980 | 51.00 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 | 7.00 days | — | — |
| 2023 | 3.00 days | — | — |
| 2022 | 4.00 days | — | — |
| 2021 | 12.00 days | — | — |
| 2020 | 16.00 days | — | — |
| 2019 | 2.00 days | — | — |
| 2018 | 7.00 days | — | — |
| 2017 | 3.00 days | — | — |
| 2016 | 4.00 days | — | — |
| 2015 | 6.00 days | — | — |
| 2014 | 5.00 days | — | — |
| 2013 | 7.00 days | — | — |
| 2012 | 4.00 days | — | — |
| 2011 | 5.00 days | — | — |
| 2010 | 1.00 days | — | — |
| 2009 | 5.00 days | — | — |
| 2008 | 9.00 days | — | — |
| 2007 | 8.00 days | — | — |
| 2006 | 8.00 days | — | — |
| 2005 | 9.00 days | — | — |
| 2004 | 2.00 days | — | — |
| 2003 | 5.00 days | — | — |
| 2002 | 10.00 days | — | — |
| 2001 | 6.00 days | — | — |
| 2000 | 4.00 days | — | — |
| 1999 | 8.00 days | — | — |
| 1998 | 3.00 days | — | — |
| 1997 | 3.00 days | — | — |
| 1996 | 6.00 days | — | — |
| 1995 | 4.00 days | — | — |
| 1994 | 7.00 days | — | — |
| 1993 | 6.00 days | — | — |
| 1992 | 1.00 days | — | — |
| 1991 | 0.00 days | — | — |
| 1990 | 0.00 days | — | — |
| 1989 | 1.00 days | — | — |
| 1988 | 1.00 days | — | — |
| 1987 | 0.00 days | — | — |
| 1986 | 0.00 days | — | — |
| 1981 | 0.00 days | — | — |
| 1980 | 0.00 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 | 9.00 days | — | — |
| 2024 | 17.00 days | — | — |
| 2023 | 13.00 days | — | — |
| 2022 | 18.00 days | — | — |
| 2021 | 24.00 days | — | — |
| 2020 | 23.00 days | — | — |
| 2019 | 6.00 days | — | — |
| 2018 | 26.00 days | — | — |
| 2017 | 16.00 days | — | — |
| 2016 | 15.00 days | — | — |
| 2015 | 12.00 days | — | — |
| 2014 | 6.00 days | — | — |
| 2013 | 10.00 days | — | — |
| 2012 | 15.00 days | — | — |
| 2011 | 33.00 days | — | — |
| 2010 | 13.00 days | — | — |
| 2009 | 5.00 days | — | — |
| 2008 | 22.00 days | — | — |
| 2007 | 38.00 days | — | — |
| 2006 | 47.00 days | — | — |
| 2005 | 46.00 days | — | — |
| 2004 | 35.00 days | — | — |
| 2003 | 42.00 days | — | — |
| 2002 | 39.00 days | — | — |
| 2001 | 32.00 days | — | — |
| 2000 | 32.00 days | — | — |
| 1999 | 39.00 days | — | — |
| 1998 | 40.00 days | — | — |
| 1997 | 23.00 days | — | — |
| 1996 | 27.00 days | — | — |
| 1995 | 8.00 days | — | — |
| 1994 | 43.00 days | — | — |
| 1993 | 9.00 days | — | — |
| 1992 | 3.00 days | — | — |
| 1991 | 2.00 days | — | — |
| 1990 | 1.00 days | — | — |
| 1989 | 1.00 days | — | — |
| 1988 | 0.00 days | — | — |
| 1987 | 4.00 days | — | — |
| 1986 | 0.00 days | — | — |
| 1981 | 2.00 days | — | — |
| 1980 | 2.00 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 | 2.00 days | — | — |
| 2024 | 2.00 days | — | — |
| 2023 | 1.00 days | — | — |
| 2022 | 4.00 days | — | — |
| 2021 | 3.00 days | — | — |
| 2020 | 8.00 days | — | — |
| 2019 | 1.00 days | — | — |
| 2018 | 2.00 days | — | — |
| 2017 | 0.00 days | — | — |
| 2016 | 1.00 days | — | — |
| 2015 | 0.00 days | — | — |
| 2014 | 1.00 days | — | — |
| 2013 | 2.00 days | — | — |
| 2012 | 2.00 days | — | — |
| 2011 | 2.00 days | — | — |
| 2010 | 6.00 days | — | — |
| 2009 | 5.00 days | — | — |
| 2008 | 0.00 days | — | — |
| 2007 | 1.00 days | — | — |
| 2006 | 1.00 days | — | — |
| 2005 | 3.00 days | — | — |
| 2004 | 3.00 days | — | — |
| 2003 | 1.00 days | — | — |
| 2002 | 5.00 days | — | — |
| 2001 | 2.00 days | — | — |
| 2000 | 2.00 days | — | — |
| 1999 | 0.00 days | — | — |
| 1998 | 3.00 days | — | — |
| 1997 | 2.00 days | — | — |
| 1996 | 0.00 days | — | — |
| 1995 | 3.00 days | — | — |
| 1994 | 4.00 days | — | — |
| 1993 | 3.00 days | — | — |
| 1992 | 2.00 days | — | — |
| 1991 | 0.00 days | — | — |
| 1990 | 0.00 days | — | — |
| 1989 | 0.00 days | — | — |
| 1988 | 1.00 days | — | — |
| 1987 | 0.00 days | — | — |
| 1986 | 0.00 days | — | — |
| 1981 | 0.00 days | — | — |
| 1980 | 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.