Air quality reference
Morgantown, WV
Morgantown, WV has a published AQI value of 40, categorized as Good, for 2026-03-31T00:00:00+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
- Morgantown, WV
- Air quality index
- 40
- Category
- Good
- Defining parameter
- Ozone
- Sites reporting
- 1
- Measured at
- 2026-03-31T00:00:00+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
50.00 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 | 50.00 days | provisional-current-year | — |
| 2025 | 272.00 days | — | — |
| 2024 | 267.00 days | — | — |
| 2023 | 277.00 days | — | — |
| 2022 | 280.00 days | — | — |
| 2021 | 282.00 days | — | — |
| 2020 | 274.00 days | — | — |
| 2019 | 277.00 days | — | — |
| 2018 | 278.00 days | — | — |
| 2017 | 282.00 days | — | — |
| 2016 | 260.00 days | — | — |
| 2015 | 254.00 days | — | — |
| 2014 | 261.00 days | — | — |
| 2013 | 248.00 days | — | — |
| 2012 | 261.00 days | — | — |
| 2011 | 257.00 days | — | — |
| 2010 | 259.00 days | — | — |
| 2009 | 361.00 days | — | — |
| 2008 | 263.00 days | — | — |
| 2007 | 261.00 days | — | — |
| 2006 | 263.00 days | — | — |
| 2005 | 261.00 days | — | — |
| 2004 | 260.00 days | — | — |
| 2003 | 263.00 days | — | — |
| 2002 | 257.00 days | — | — |
| 2001 | 258.00 days | — | — |
| 2000 | 250.00 days | — | — |
| 1999 | 118.00 days | — | — |
| 1998 | 60.00 days | — | — |
| 1997 | 58.00 days | — | — |
| 1996 | 60.00 days | — | — |
| 1995 | 30.00 days | — | — |
Annual indicator
Good AQI days
43.00 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 | 43.00 days | provisional-current-year | — |
| 2025 | 217.00 days | — | — |
| 2024 | 211.00 days | — | — |
| 2023 | 227.00 days | — | — |
| 2022 | 250.00 days | — | — |
| 2021 | 225.00 days | — | — |
| 2020 | 248.00 days | — | — |
| 2019 | 237.00 days | — | — |
| 2018 | 236.00 days | — | — |
| 2017 | 242.00 days | — | — |
| 2016 | 216.00 days | — | — |
| 2015 | 184.00 days | — | — |
| 2014 | 201.00 days | — | — |
| 2013 | 183.00 days | — | — |
| 2012 | 167.00 days | — | — |
| 2011 | 170.00 days | — | — |
| 2010 | 143.00 days | — | — |
| 2009 | 152.00 days | — | — |
| 2008 | 162.00 days | — | — |
| 2007 | 116.00 days | — | — |
| 2006 | 141.00 days | — | — |
| 2005 | 123.00 days | — | — |
| 2004 | 139.00 days | — | — |
| 2003 | 135.00 days | — | — |
| 2002 | 129.00 days | — | — |
| 2001 | 115.00 days | — | — |
| 2000 | 121.00 days | — | — |
| 1999 | 32.00 days | — | — |
| 1998 | 59.00 days | — | — |
| 1997 | 55.00 days | — | — |
| 1996 | 58.00 days | — | — |
| 1995 | 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 | — | — |
Annual indicator
Maximum daily AQI
60.00 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 | 60.00 AQI index | provisional-current-year | — |
| 2025 | 105.00 AQI index | — | — |
| 2024 | 93.00 AQI index | — | — |
| 2023 | 169.00 AQI index | — | — |
| 2022 | 77.00 AQI index | — | — |
| 2021 | 80.00 AQI index | — | — |
| 2020 | 90.00 AQI index | — | — |
| 2019 | 74.00 AQI index | — | — |
| 2018 | 93.00 AQI index | — | — |
| 2017 | 90.00 AQI index | — | — |
| 2016 | 74.00 AQI index | — | — |
| 2015 | 133.00 AQI index | — | — |
| 2014 | 90.00 AQI index | — | — |
| 2013 | 115.00 AQI index | — | — |
| 2012 | 150.00 AQI index | — | — |
| 2011 | 119.00 AQI index | — | — |
| 2010 | 143.00 AQI index | — | — |
| 2009 | 97.00 AQI index | — | — |
| 2008 | 101.00 AQI index | — | — |
| 2007 | 140.00 AQI index | — | — |
| 2006 | 147.00 AQI index | — | — |
| 2005 | 161.00 AQI index | — | — |
| 2004 | 122.00 AQI index | — | — |
| 2003 | 179.00 AQI index | — | — |
| 2002 | 177.00 AQI index | — | — |
| 2001 | 136.00 AQI index | — | — |
| 2000 | 166.00 AQI index | — | — |
| 1999 | 116.00 AQI index | — | — |
| 1998 | 73.00 AQI index | — | — |
| 1997 | 52.00 AQI index | — | — |
| 1996 | 53.00 AQI index | — | — |
| 1995 | 60.00 AQI index | — | — |
Annual indicator
Median daily AQI
38.00 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 | 38.00 AQI index | provisional-current-year | — |
| 2025 | 42.00 AQI index | — | — |
| 2024 | 43.00 AQI index | — | — |
| 2023 | 42.00 AQI index | — | — |
| 2022 | 37.00 AQI index | — | — |
| 2021 | 39.00 AQI index | — | — |
| 2020 | 39.00 AQI index | — | — |
| 2019 | 41.00 AQI index | — | — |
| 2018 | 38.00 AQI index | — | — |
| 2017 | 40.00 AQI index | — | — |
| 2016 | 38.00 AQI index | — | — |
| 2015 | 43.00 AQI index | — | — |
| 2014 | 41.00 AQI index | — | — |
| 2013 | 40.00 AQI index | — | — |
| 2012 | 44.00 AQI index | — | — |
| 2011 | 44.00 AQI index | — | — |
| 2010 | 49.00 AQI index | — | — |
| 2009 | 52.00 AQI index | — | — |
| 2008 | 46.00 AQI index | — | — |
| 2007 | 52.00 AQI index | — | — |
| 2006 | 49.00 AQI index | — | — |
| 2005 | 52.00 AQI index | — | — |
| 2004 | 47.00 AQI index | — | — |
| 2003 | 50.00 AQI index | — | — |
| 2002 | 50.00 AQI index | — | — |
| 2001 | 52.00 AQI index | — | — |
| 2000 | 51.00 AQI index | — | — |
| 1999 | 57.00 AQI index | — | — |
| 1998 | 18.00 AQI index | — | — |
| 1997 | 20.00 AQI index | — | — |
| 1996 | 22.00 AQI index | — | — |
| 1995 | 20.00 AQI index | — | — |
Annual indicator
Moderate AQI days
7.00 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 | 7.00 days | provisional-current-year | — |
| 2025 | 54.00 days | — | — |
| 2024 | 56.00 days | — | — |
| 2023 | 49.00 days | — | — |
| 2022 | 30.00 days | — | — |
| 2021 | 57.00 days | — | — |
| 2020 | 26.00 days | — | — |
| 2019 | 40.00 days | — | — |
| 2018 | 42.00 days | — | — |
| 2017 | 40.00 days | — | — |
| 2016 | 44.00 days | — | — |
| 2015 | 68.00 days | — | — |
| 2014 | 60.00 days | — | — |
| 2013 | 64.00 days | — | — |
| 2012 | 88.00 days | — | — |
| 2011 | 86.00 days | — | — |
| 2010 | 109.00 days | — | — |
| 2009 | 209.00 days | — | — |
| 2008 | 100.00 days | — | — |
| 2007 | 131.00 days | — | — |
| 2006 | 112.00 days | — | — |
| 2005 | 122.00 days | — | — |
| 2004 | 120.00 days | — | — |
| 2003 | 119.00 days | — | — |
| 2002 | 101.00 days | — | — |
| 2001 | 131.00 days | — | — |
| 2000 | 118.00 days | — | — |
| 1999 | 83.00 days | — | — |
| 1998 | 1.00 days | — | — |
| 1997 | 3.00 days | — | — |
| 1996 | 2.00 days | — | — |
| 1995 | 2.00 days | — | — |
Annual indicator
90th percentile daily AQI
52.00 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 | 52.00 AQI index | provisional-current-year | — |
| 2025 | 58.00 AQI index | — | — |
| 2024 | 56.00 AQI index | — | — |
| 2023 | 59.00 AQI index | — | — |
| 2022 | 51.00 AQI index | — | — |
| 2021 | 58.00 AQI index | — | — |
| 2020 | 50.00 AQI index | — | — |
| 2019 | 54.00 AQI index | — | — |
| 2018 | 54.00 AQI index | — | — |
| 2017 | 53.00 AQI index | — | — |
| 2016 | 54.00 AQI index | — | — |
| 2015 | 64.00 AQI index | — | — |
| 2014 | 58.00 AQI index | — | — |
| 2013 | 59.00 AQI index | — | — |
| 2012 | 80.00 AQI index | — | — |
| 2011 | 67.00 AQI index | — | — |
| 2010 | 77.00 AQI index | — | — |
| 2009 | 67.00 AQI index | — | — |
| 2008 | 71.00 AQI index | — | — |
| 2007 | 87.00 AQI index | — | — |
| 2006 | 84.00 AQI index | — | — |
| 2005 | 93.00 AQI index | — | — |
| 2004 | 74.00 AQI index | — | — |
| 2003 | 84.00 AQI index | — | — |
| 2002 | 101.00 AQI index | — | — |
| 2001 | 90.00 AQI index | — | — |
| 2000 | 85.00 AQI index | — | — |
| 1999 | 82.00 AQI index | — | — |
| 1998 | 38.00 AQI index | — | — |
| 1997 | 45.00 AQI index | — | — |
| 1996 | 40.00 AQI index | — | — |
| 1995 | 46.00 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 | 1.00 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 | 1.00 days | — | — |
| 2004 | 0.00 days | — | — |
| 2003 | 2.00 days | — | — |
| 2002 | 5.00 days | — | — |
| 2001 | 0.00 days | — | — |
| 2000 | 2.00 days | — | — |
| 1999 | 0.00 days | — | — |
| 1998 | 0.00 days | — | — |
| 1997 | 0.00 days | — | — |
| 1996 | 0.00 days | — | — |
| 1995 | 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 | 1.00 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 | 2.00 days | — | — |
| 2014 | 0.00 days | — | — |
| 2013 | 1.00 days | — | — |
| 2012 | 6.00 days | — | — |
| 2011 | 1.00 days | — | — |
| 2010 | 7.00 days | — | — |
| 2009 | 0.00 days | — | — |
| 2008 | 1.00 days | — | — |
| 2007 | 14.00 days | — | — |
| 2006 | 10.00 days | — | — |
| 2005 | 15.00 days | — | — |
| 2004 | 1.00 days | — | — |
| 2003 | 7.00 days | — | — |
| 2002 | 22.00 days | — | — |
| 2001 | 12.00 days | — | — |
| 2000 | 9.00 days | — | — |
| 1999 | 3.00 days | — | — |
| 1998 | 0.00 days | — | — |
| 1997 | 0.00 days | — | — |
| 1996 | 0.00 days | — | — |
| 1995 | 0.00 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 | 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 | — | — |
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
- 2026-03-31
- 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
- 2026-03-31
- Dataset version
- air-quality-profile-v1
- License
- Original DataOfWorld text
- Attribution
- DataOfWorld
Reference data can change. Verify consequential decisions against the original source.