Air quality reference
Fairmont, WV
Fairmont, WV has a published AQI value of 41, categorized as Good, for 2026-03-30T00:00:00+00:00. The defining parameter is PM2.5, 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
- Fairmont, WV
- Air quality index
- 41
- Category
- Good
- Defining parameter
- PM2.5
- Sites reporting
- 1
- Measured at
- 2026-03-30T00:00:00+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
29.00 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 | 29.00 days | provisional-current-year | — |
| 2025 | 120.00 days | — | — |
| 2024 | 111.00 days | — | — |
| 2023 | 118.00 days | — | — |
| 2022 | 117.00 days | — | — |
| 2021 | 91.00 days | — | — |
| 2020 | 74.00 days | — | — |
| 2019 | 99.00 days | — | — |
| 2018 | 117.00 days | — | — |
| 2017 | 114.00 days | — | — |
| 2016 | 95.00 days | — | — |
| 2015 | 119.00 days | — | — |
| 2014 | 119.00 days | — | — |
| 2013 | 122.00 days | — | — |
| 2012 | 122.00 days | — | — |
| 2011 | 121.00 days | — | — |
| 2010 | 101.00 days | — | — |
| 2009 | 121.00 days | — | — |
| 2008 | 116.00 days | — | — |
| 2007 | 118.00 days | — | — |
| 2006 | 121.00 days | — | — |
| 2005 | 118.00 days | — | — |
| 2004 | 118.00 days | — | — |
| 2003 | 114.00 days | — | — |
| 2002 | 114.00 days | — | — |
| 2001 | 110.00 days | — | — |
| 2000 | 110.00 days | — | — |
Annual indicator
Good AQI days
18.00 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 | 18.00 days | provisional-current-year | — |
| 2025 | 89.00 days | — | — |
| 2024 | 85.00 days | — | — |
| 2023 | 84.00 days | — | — |
| 2022 | 91.00 days | — | — |
| 2021 | 61.00 days | — | — |
| 2020 | 57.00 days | — | — |
| 2019 | 70.00 days | — | — |
| 2018 | 79.00 days | — | — |
| 2017 | 80.00 days | — | — |
| 2016 | 57.00 days | — | — |
| 2015 | 60.00 days | — | — |
| 2014 | 59.00 days | — | — |
| 2013 | 64.00 days | — | — |
| 2012 | 55.00 days | — | — |
| 2011 | 51.00 days | — | — |
| 2010 | 31.00 days | — | — |
| 2009 | 41.00 days | — | — |
| 2008 | 28.00 days | — | — |
| 2007 | 26.00 days | — | — |
| 2006 | 33.00 days | — | — |
| 2005 | 22.00 days | — | — |
| 2004 | 27.00 days | — | — |
| 2003 | 20.00 days | — | — |
| 2002 | 26.00 days | — | — |
| 2001 | 24.00 days | — | — |
| 2000 | 29.00 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 | — | — |
Annual indicator
Maximum daily AQI
62.00 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 | 62.00 AQI index | provisional-current-year | — |
| 2025 | 71.00 AQI index | — | — |
| 2024 | 62.00 AQI index | — | — |
| 2023 | 170.00 AQI index | — | — |
| 2022 | 73.00 AQI index | — | — |
| 2021 | 82.00 AQI index | — | — |
| 2020 | 70.00 AQI index | — | — |
| 2019 | 66.00 AQI index | — | — |
| 2018 | 67.00 AQI index | — | — |
| 2017 | 74.00 AQI index | — | — |
| 2016 | 65.00 AQI index | — | — |
| 2015 | 90.00 AQI index | — | — |
| 2014 | 71.00 AQI index | — | — |
| 2013 | 78.00 AQI index | — | — |
| 2012 | 86.00 AQI index | — | — |
| 2011 | 93.00 AQI index | — | — |
| 2010 | 99.00 AQI index | — | — |
| 2009 | 83.00 AQI index | — | — |
| 2008 | 91.00 AQI index | — | — |
| 2007 | 111.00 AQI index | — | — |
| 2006 | 119.00 AQI index | — | — |
| 2005 | 122.00 AQI index | — | — |
| 2004 | 137.00 AQI index | — | — |
| 2003 | 130.00 AQI index | — | — |
| 2002 | 153.00 AQI index | — | — |
| 2001 | 141.00 AQI index | — | — |
| 2000 | 110.00 AQI index | — | — |
Annual indicator
Median daily AQI
43.00 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 | 43.00 AQI index | provisional-current-year | — |
| 2025 | 37.00 AQI index | — | — |
| 2024 | 33.00 AQI index | — | — |
| 2023 | 39.00 AQI index | — | — |
| 2022 | 36.00 AQI index | — | — |
| 2021 | 40.00 AQI index | — | — |
| 2020 | 35.00 AQI index | — | — |
| 2019 | 41.00 AQI index | — | — |
| 2018 | 38.00 AQI index | — | — |
| 2017 | 42.00 AQI index | — | — |
| 2016 | 44.00 AQI index | — | — |
| 2015 | 49.00 AQI index | — | — |
| 2014 | 51.00 AQI index | — | — |
| 2013 | 49.00 AQI index | — | — |
| 2012 | 52.00 AQI index | — | — |
| 2011 | 53.00 AQI index | — | — |
| 2010 | 58.00 AQI index | — | — |
| 2009 | 55.00 AQI index | — | — |
| 2008 | 59.00 AQI index | — | — |
| 2007 | 60.00 AQI index | — | — |
| 2006 | 60.00 AQI index | — | — |
| 2005 | 61.00 AQI index | — | — |
| 2004 | 59.00 AQI index | — | — |
| 2003 | 61.00 AQI index | — | — |
| 2002 | 59.00 AQI index | — | — |
| 2001 | 59.00 AQI index | — | — |
| 2000 | 61.00 AQI index | — | — |
Annual indicator
Moderate AQI days
11.00 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 | 11.00 days | provisional-current-year | — |
| 2025 | 31.00 days | — | — |
| 2024 | 26.00 days | — | — |
| 2023 | 33.00 days | — | — |
| 2022 | 26.00 days | — | — |
| 2021 | 30.00 days | — | — |
| 2020 | 17.00 days | — | — |
| 2019 | 29.00 days | — | — |
| 2018 | 38.00 days | — | — |
| 2017 | 34.00 days | — | — |
| 2016 | 38.00 days | — | — |
| 2015 | 59.00 days | — | — |
| 2014 | 60.00 days | — | — |
| 2013 | 58.00 days | — | — |
| 2012 | 67.00 days | — | — |
| 2011 | 70.00 days | — | — |
| 2010 | 70.00 days | — | — |
| 2009 | 80.00 days | — | — |
| 2008 | 88.00 days | — | — |
| 2007 | 90.00 days | — | — |
| 2006 | 87.00 days | — | — |
| 2005 | 94.00 days | — | — |
| 2004 | 89.00 days | — | — |
| 2003 | 92.00 days | — | — |
| 2002 | 80.00 days | — | — |
| 2001 | 82.00 days | — | — |
| 2000 | 78.00 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 | 56.00 AQI index | — | — |
| 2024 | 53.00 AQI index | — | — |
| 2023 | 58.00 AQI index | — | — |
| 2022 | 56.00 AQI index | — | — |
| 2021 | 58.00 AQI index | — | — |
| 2020 | 55.00 AQI index | — | — |
| 2019 | 59.00 AQI index | — | — |
| 2018 | 57.00 AQI index | — | — |
| 2017 | 57.00 AQI index | — | — |
| 2016 | 56.00 AQI index | — | — |
| 2015 | 62.00 AQI index | — | — |
| 2014 | 62.00 AQI index | — | — |
| 2013 | 61.00 AQI index | — | — |
| 2012 | 64.00 AQI index | — | — |
| 2011 | 68.00 AQI index | — | — |
| 2010 | 72.00 AQI index | — | — |
| 2009 | 67.00 AQI index | — | — |
| 2008 | 73.00 AQI index | — | — |
| 2007 | 82.00 AQI index | — | — |
| 2006 | 82.00 AQI index | — | — |
| 2005 | 84.00 AQI index | — | — |
| 2004 | 77.00 AQI index | — | — |
| 2003 | 77.00 AQI index | — | — |
| 2002 | 82.00 AQI index | — | — |
| 2001 | 84.00 AQI index | — | — |
| 2000 | 85.00 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 | 0.00 days | — | — |
| 2004 | 0.00 days | — | — |
| 2003 | 0.00 days | — | — |
| 2002 | 1.00 days | — | — |
| 2001 | 0.00 days | — | — |
| 2000 | 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 | 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 | 2.00 days | — | — |
| 2006 | 1.00 days | — | — |
| 2005 | 2.00 days | — | — |
| 2004 | 2.00 days | — | — |
| 2003 | 2.00 days | — | — |
| 2002 | 7.00 days | — | — |
| 2001 | 4.00 days | — | — |
| 2000 | 3.00 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 | — | — |
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
- 2026-03-30
- 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
- 2026-03-30
- Dataset version
- air-quality-profile-v1
- License
- Original DataOfWorld text
- Attribution
- DataOfWorld
Reference data can change. Verify consequential decisions against the original source.