Air quality reference
Adrian, MI
Adrian, MI has a published AQI value of 56, categorized as Moderate, for 2026-03-31T00:00:00+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
- Adrian, MI
- Air quality index
- 56
- Category
- Moderate
- Defining parameter
- PM2.5
- 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
90.00 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 | 90.00 days | provisional-current-year | — |
| 2025 | 365.00 days | — | — |
| 2024 | 366.00 days | — | — |
| 2023 | 364.00 days | — | — |
| 2022 | 365.00 days | — | — |
| 2021 | 322.00 days | — | — |
| 2020 | 366.00 days | — | — |
| 2019 | 358.00 days | — | — |
| 2018 | 344.00 days | — | — |
| 2017 | 364.00 days | — | — |
| 2016 | 361.00 days | — | — |
| 2015 | 348.00 days | — | — |
| 2014 | 345.00 days | — | — |
| 2013 | 245.00 days | — | — |
| 2012 | 243.00 days | — | — |
| 2011 | 241.00 days | — | — |
| 2010 | 216.00 days | — | — |
| 2009 | 234.00 days | — | — |
| 2008 | 197.00 days | — | — |
| 2007 | 177.00 days | — | — |
| 2006 | 172.00 days | — | — |
| 2005 | 182.00 days | — | — |
| 2004 | 183.00 days | — | — |
| 2003 | 180.00 days | — | — |
| 2002 | 179.00 days | — | — |
| 2001 | 183.00 days | — | — |
| 2000 | 182.00 days | — | — |
| 1999 | 183.00 days | — | — |
| 1998 | 176.00 days | — | — |
| 1997 | 180.00 days | — | — |
| 1996 | 183.00 days | — | — |
| 1995 | 173.00 days | — | — |
| 1994 | 177.00 days | — | — |
| 1993 | 86.00 days | — | — |
Annual indicator
Good AQI days
59.00 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 | 59.00 days | provisional-current-year | — |
| 2025 | 253.00 days | — | — |
| 2024 | 253.00 days | — | — |
| 2023 | 188.00 days | — | — |
| 2022 | 250.00 days | — | — |
| 2021 | 188.00 days | — | — |
| 2020 | 248.00 days | — | — |
| 2019 | 233.00 days | — | — |
| 2018 | 246.00 days | — | — |
| 2017 | 248.00 days | — | — |
| 2016 | 223.00 days | — | — |
| 2015 | 201.00 days | — | — |
| 2014 | 174.00 days | — | — |
| 2013 | 173.00 days | — | — |
| 2012 | 124.00 days | — | — |
| 2011 | 145.00 days | — | — |
| 2010 | 133.00 days | — | — |
| 2009 | 149.00 days | — | — |
| 2008 | 119.00 days | — | — |
| 2007 | 116.00 days | — | — |
| 2006 | 121.00 days | — | — |
| 2005 | 104.00 days | — | — |
| 2004 | 138.00 days | — | — |
| 2003 | 118.00 days | — | — |
| 2002 | 109.00 days | — | — |
| 2001 | 115.00 days | — | — |
| 2000 | 138.00 days | — | — |
| 1999 | 116.00 days | — | — |
| 1998 | 95.00 days | — | — |
| 1997 | 137.00 days | — | — |
| 1996 | 120.00 days | — | — |
| 1995 | 116.00 days | — | — |
| 1994 | 103.00 days | — | — |
| 1993 | 59.00 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 | — | — |
Annual indicator
Maximum daily AQI
86.00 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 | 86.00 AQI index | provisional-current-year | — |
| 2025 | 147.00 AQI index | — | — |
| 2024 | 97.00 AQI index | — | — |
| 2023 | 165.00 AQI index | — | — |
| 2022 | 97.00 AQI index | — | — |
| 2021 | 93.00 AQI index | — | — |
| 2020 | 122.00 AQI index | — | — |
| 2019 | 91.00 AQI index | — | — |
| 2018 | 115.00 AQI index | — | — |
| 2017 | 101.00 AQI index | — | — |
| 2016 | 119.00 AQI index | — | — |
| 2015 | 92.00 AQI index | — | — |
| 2014 | 129.00 AQI index | — | — |
| 2013 | 105.00 AQI index | — | — |
| 2012 | 187.00 AQI index | — | — |
| 2011 | 154.00 AQI index | — | — |
| 2010 | 103.00 AQI index | — | — |
| 2009 | 122.00 AQI index | — | — |
| 2008 | 133.00 AQI index | — | — |
| 2007 | 159.00 AQI index | — | — |
| 2006 | 140.00 AQI index | — | — |
| 2005 | 179.00 AQI index | — | — |
| 2004 | 150.00 AQI index | — | — |
| 2003 | 206.00 AQI index | — | — |
| 2002 | 161.00 AQI index | — | — |
| 2001 | 177.00 AQI index | — | — |
| 2000 | 154.00 AQI index | — | — |
| 1999 | 151.00 AQI index | — | — |
| 1998 | 177.00 AQI index | — | — |
| 1997 | 154.00 AQI index | — | — |
| 1996 | 172.00 AQI index | — | — |
| 1995 | 179.00 AQI index | — | — |
| 1994 | 177.00 AQI index | — | — |
| 1993 | 129.00 AQI index | — | — |
Annual indicator
Median daily AQI
35.00 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 | 35.00 AQI index | provisional-current-year | — |
| 2025 | 41.00 AQI index | — | — |
| 2024 | 43.00 AQI index | — | — |
| 2023 | 50.00 AQI index | — | — |
| 2022 | 43.00 AQI index | — | — |
| 2021 | 46.00 AQI index | — | — |
| 2020 | 42.00 AQI index | — | — |
| 2019 | 44.00 AQI index | — | — |
| 2018 | 43.00 AQI index | — | — |
| 2017 | 44.00 AQI index | — | — |
| 2016 | 44.00 AQI index | — | — |
| 2015 | 47.00 AQI index | — | — |
| 2014 | 50.00 AQI index | — | — |
| 2013 | 43.00 AQI index | — | — |
| 2012 | 50.00 AQI index | — | — |
| 2011 | 46.00 AQI index | — | — |
| 2010 | 46.00 AQI index | — | — |
| 2009 | 46.00 AQI index | — | — |
| 2008 | 48.00 AQI index | — | — |
| 2007 | 45.00 AQI index | — | — |
| 2006 | 44.00 AQI index | — | — |
| 2005 | 47.00 AQI index | — | — |
| 2004 | 43.00 AQI index | — | — |
| 2003 | 46.00 AQI index | — | — |
| 2002 | 46.00 AQI index | — | — |
| 2001 | 46.00 AQI index | — | — |
| 2000 | 44.00 AQI index | — | — |
| 1999 | 44.00 AQI index | — | — |
| 1998 | 49.00 AQI index | — | — |
| 1997 | 40.00 AQI index | — | — |
| 1996 | 45.00 AQI index | — | — |
| 1995 | 44.00 AQI index | — | — |
| 1994 | 47.00 AQI index | — | — |
| 1993 | 41.00 AQI index | — | — |
Annual indicator
Moderate AQI days
31.00 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 | 31.00 days | provisional-current-year | — |
| 2025 | 105.00 days | — | — |
| 2024 | 113.00 days | — | — |
| 2023 | 166.00 days | — | — |
| 2022 | 115.00 days | — | — |
| 2021 | 134.00 days | — | — |
| 2020 | 116.00 days | — | — |
| 2019 | 125.00 days | — | — |
| 2018 | 94.00 days | — | — |
| 2017 | 115.00 days | — | — |
| 2016 | 136.00 days | — | — |
| 2015 | 147.00 days | — | — |
| 2014 | 168.00 days | — | — |
| 2013 | 71.00 days | — | — |
| 2012 | 94.00 days | — | — |
| 2011 | 85.00 days | — | — |
| 2010 | 82.00 days | — | — |
| 2009 | 84.00 days | — | — |
| 2008 | 72.00 days | — | — |
| 2007 | 46.00 days | — | — |
| 2006 | 47.00 days | — | — |
| 2005 | 54.00 days | — | — |
| 2004 | 40.00 days | — | — |
| 2003 | 46.00 days | — | — |
| 2002 | 42.00 days | — | — |
| 2001 | 44.00 days | — | — |
| 2000 | 38.00 days | — | — |
| 1999 | 49.00 days | — | — |
| 1998 | 55.00 days | — | — |
| 1997 | 33.00 days | — | — |
| 1996 | 43.00 days | — | — |
| 1995 | 45.00 days | — | — |
| 1994 | 49.00 days | — | — |
| 1993 | 19.00 days | — | — |
Annual indicator
90th percentile daily AQI
65.00 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 | 65.00 AQI index | provisional-current-year | — |
| 2025 | 66.00 AQI index | — | — |
| 2024 | 59.00 AQI index | — | — |
| 2023 | 70.00 AQI index | — | — |
| 2022 | 65.00 AQI index | — | — |
| 2021 | 64.00 AQI index | — | — |
| 2020 | 61.00 AQI index | — | — |
| 2019 | 61.00 AQI index | — | — |
| 2018 | 68.00 AQI index | — | — |
| 2017 | 61.00 AQI index | — | — |
| 2016 | 62.00 AQI index | — | — |
| 2015 | 64.00 AQI index | — | — |
| 2014 | 67.00 AQI index | — | — |
| 2013 | 61.00 AQI index | — | — |
| 2012 | 101.00 AQI index | — | — |
| 2011 | 79.00 AQI index | — | — |
| 2010 | 71.00 AQI index | — | — |
| 2009 | 67.00 AQI index | — | — |
| 2008 | 77.00 AQI index | — | — |
| 2007 | 97.00 AQI index | — | — |
| 2006 | 77.00 AQI index | — | — |
| 2005 | 105.00 AQI index | — | — |
| 2004 | 77.00 AQI index | — | — |
| 2003 | 100.00 AQI index | — | — |
| 2002 | 129.00 AQI index | — | — |
| 2001 | 105.00 AQI index | — | — |
| 2000 | 77.00 AQI index | — | — |
| 1999 | 97.00 AQI index | — | — |
| 1998 | 108.00 AQI index | — | — |
| 1997 | 84.00 AQI index | — | — |
| 1996 | 105.00 AQI index | — | — |
| 1995 | 90.00 AQI index | — | — |
| 1994 | 108.00 AQI index | — | — |
| 1993 | 100.00 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 | 2.00 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 | 4.00 days | — | — |
| 2011 | 1.00 days | — | — |
| 2010 | 0.00 days | — | — |
| 2009 | 0.00 days | — | — |
| 2008 | 0.00 days | — | — |
| 2007 | 2.00 days | — | — |
| 2006 | 0.00 days | — | — |
| 2005 | 2.00 days | — | — |
| 2004 | 0.00 days | — | — |
| 2003 | 4.00 days | — | — |
| 2002 | 10.00 days | — | — |
| 2001 | 4.00 days | — | — |
| 2000 | 2.00 days | — | — |
| 1999 | 1.00 days | — | — |
| 1998 | 4.00 days | — | — |
| 1997 | 1.00 days | — | — |
| 1996 | 3.00 days | — | — |
| 1995 | 4.00 days | — | — |
| 1994 | 3.00 days | — | — |
| 1993 | 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 | 7.00 days | — | — |
| 2024 | 0.00 days | — | — |
| 2023 | 8.00 days | — | — |
| 2022 | 0.00 days | — | — |
| 2021 | 0.00 days | — | — |
| 2020 | 2.00 days | — | — |
| 2019 | 0.00 days | — | — |
| 2018 | 4.00 days | — | — |
| 2017 | 1.00 days | — | — |
| 2016 | 2.00 days | — | — |
| 2015 | 0.00 days | — | — |
| 2014 | 3.00 days | — | — |
| 2013 | 1.00 days | — | — |
| 2012 | 21.00 days | — | — |
| 2011 | 10.00 days | — | — |
| 2010 | 1.00 days | — | — |
| 2009 | 1.00 days | — | — |
| 2008 | 6.00 days | — | — |
| 2007 | 13.00 days | — | — |
| 2006 | 4.00 days | — | — |
| 2005 | 22.00 days | — | — |
| 2004 | 5.00 days | — | — |
| 2003 | 11.00 days | — | — |
| 2002 | 18.00 days | — | — |
| 2001 | 20.00 days | — | — |
| 2000 | 4.00 days | — | — |
| 1999 | 17.00 days | — | — |
| 1998 | 22.00 days | — | — |
| 1997 | 9.00 days | — | — |
| 1996 | 17.00 days | — | — |
| 1995 | 8.00 days | — | — |
| 1994 | 22.00 days | — | — |
| 1993 | 8.00 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 | 1.00 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 | — | — |
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.