Air quality reference
Holland, MI
Holland, MI has a published AQI value of 51, 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
- Holland, MI
- Air quality index
- 51
- 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 | 363.00 days | — | — |
| 2024 | 351.00 days | — | — |
| 2023 | 360.00 days | — | — |
| 2022 | 344.00 days | — | — |
| 2021 | 361.00 days | — | — |
| 2020 | 359.00 days | — | — |
| 2019 | 276.00 days | — | — |
| 2018 | 286.00 days | — | — |
| 2017 | 281.00 days | — | — |
| 2016 | 240.00 days | — | — |
| 2015 | 243.00 days | — | — |
| 2014 | 240.00 days | — | — |
| 2013 | 240.00 days | — | — |
| 2012 | 240.00 days | — | — |
| 2011 | 242.00 days | — | — |
| 2010 | 244.00 days | — | — |
| 2009 | 243.00 days | — | — |
| 2008 | 241.00 days | — | — |
| 2007 | 241.00 days | — | — |
| 2006 | 286.00 days | — | — |
| 2005 | 362.00 days | — | — |
| 2004 | 360.00 days | — | — |
| 2003 | 355.00 days | — | — |
| 2002 | 363.00 days | — | — |
| 2001 | 364.00 days | — | — |
| 2000 | 357.00 days | — | — |
| 1999 | 342.00 days | — | — |
| 1998 | 182.00 days | — | — |
| 1997 | 183.00 days | — | — |
| 1996 | 268.00 days | — | — |
| 1995 | 274.00 days | — | — |
| 1994 | 197.00 days | — | — |
| 1993 | 211.00 days | — | — |
| 1992 | 67.00 days | — | — |
| 1991 | 112.00 days | — | — |
| 1990 | 34.00 days | — | — |
Annual indicator
Good AQI days
60.00 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 | 60.00 days | provisional-current-year | — |
| 2025 | 232.00 days | — | — |
| 2024 | 222.00 days | — | — |
| 2023 | 246.00 days | — | — |
| 2022 | 256.00 days | — | — |
| 2021 | 245.00 days | — | — |
| 2020 | 275.00 days | — | — |
| 2019 | 224.00 days | — | — |
| 2018 | 218.00 days | — | — |
| 2017 | 207.00 days | — | — |
| 2016 | 174.00 days | — | — |
| 2015 | 169.00 days | — | — |
| 2014 | 164.00 days | — | — |
| 2013 | 150.00 days | — | — |
| 2012 | 139.00 days | — | — |
| 2011 | 163.00 days | — | — |
| 2010 | 156.00 days | — | — |
| 2009 | 163.00 days | — | — |
| 2008 | 152.00 days | — | — |
| 2007 | 134.00 days | — | — |
| 2006 | 170.00 days | — | — |
| 2005 | 154.00 days | — | — |
| 2004 | 176.00 days | — | — |
| 2003 | 154.00 days | — | — |
| 2002 | 162.00 days | — | — |
| 2001 | 141.00 days | — | — |
| 2000 | 164.00 days | — | — |
| 1999 | 159.00 days | — | — |
| 1998 | 98.00 days | — | — |
| 1997 | 129.00 days | — | — |
| 1996 | 211.00 days | — | — |
| 1995 | 185.00 days | — | — |
| 1994 | 123.00 days | — | — |
| 1993 | 147.00 days | — | — |
| 1992 | 61.00 days | — | — |
| 1991 | 41.00 days | — | — |
| 1990 | 17.00 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 | — | — |
Annual indicator
Maximum daily AQI
83.00 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 | 83.00 AQI index | provisional-current-year | — |
| 2025 | 151.00 AQI index | — | — |
| 2024 | 115.00 AQI index | — | — |
| 2023 | 161.00 AQI index | — | — |
| 2022 | 195.00 AQI index | — | — |
| 2021 | 136.00 AQI index | — | — |
| 2020 | 136.00 AQI index | — | — |
| 2019 | 115.00 AQI index | — | — |
| 2018 | 150.00 AQI index | — | — |
| 2017 | 115.00 AQI index | — | — |
| 2016 | 150.00 AQI index | — | — |
| 2015 | 147.00 AQI index | — | — |
| 2014 | 151.00 AQI index | — | — |
| 2013 | 154.00 AQI index | — | — |
| 2012 | 195.00 AQI index | — | — |
| 2011 | 179.00 AQI index | — | — |
| 2010 | 122.00 AQI index | — | — |
| 2009 | 166.00 AQI index | — | — |
| 2008 | 187.00 AQI index | — | — |
| 2007 | 204.00 AQI index | — | — |
| 2006 | 185.00 AQI index | — | — |
| 2005 | 208.00 AQI index | — | — |
| 2004 | 202.00 AQI index | — | — |
| 2003 | 201.00 AQI index | — | — |
| 2002 | 214.00 AQI index | — | — |
| 2001 | 192.00 AQI index | — | — |
| 2000 | 204.00 AQI index | — | — |
| 1999 | 214.00 AQI index | — | — |
| 1998 | 209.00 AQI index | — | — |
| 1997 | 197.00 AQI index | — | — |
| 1996 | 221.00 AQI index | — | — |
| 1995 | 260.00 AQI index | — | — |
| 1994 | 185.00 AQI index | — | — |
| 1993 | 200.00 AQI index | — | — |
| 1992 | 90.00 AQI index | — | — |
| 1991 | 229.00 AQI index | — | — |
| 1990 | 215.00 AQI index | — | — |
Annual indicator
Median daily AQI
41.00 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 | 41.00 AQI index | provisional-current-year | — |
| 2025 | 44.00 AQI index | — | — |
| 2024 | 46.00 AQI index | — | — |
| 2023 | 42.00 AQI index | — | — |
| 2022 | 40.00 AQI index | — | — |
| 2021 | 42.00 AQI index | — | — |
| 2020 | 37.00 AQI index | — | — |
| 2019 | 39.00 AQI index | — | — |
| 2018 | 40.00 AQI index | — | — |
| 2017 | 41.00 AQI index | — | — |
| 2016 | 43.00 AQI index | — | — |
| 2015 | 42.00 AQI index | — | — |
| 2014 | 44.00 AQI index | — | — |
| 2013 | 44.00 AQI index | — | — |
| 2012 | 47.00 AQI index | — | — |
| 2011 | 40.00 AQI index | — | — |
| 2010 | 44.00 AQI index | — | — |
| 2009 | 44.00 AQI index | — | — |
| 2008 | 46.00 AQI index | — | — |
| 2007 | 48.00 AQI index | — | — |
| 2006 | 46.00 AQI index | — | — |
| 2005 | 54.00 AQI index | — | — |
| 2004 | 51.00 AQI index | — | — |
| 2003 | 53.00 AQI index | — | — |
| 2002 | 53.00 AQI index | — | — |
| 2001 | 55.00 AQI index | — | — |
| 2000 | 53.00 AQI index | — | — |
| 1999 | 52.00 AQI index | — | — |
| 1998 | 48.00 AQI index | — | — |
| 1997 | 40.00 AQI index | — | — |
| 1996 | 38.00 AQI index | — | — |
| 1995 | 40.00 AQI index | — | — |
| 1994 | 44.00 AQI index | — | — |
| 1993 | 40.00 AQI index | — | — |
| 1992 | 29.00 AQI index | — | — |
| 1991 | 80.00 AQI index | — | — |
| 1990 | 51.00 AQI index | — | — |
Annual indicator
Moderate AQI days
30.00 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 | 30.00 days | provisional-current-year | — |
| 2025 | 117.00 days | — | — |
| 2024 | 125.00 days | — | — |
| 2023 | 102.00 days | — | — |
| 2022 | 82.00 days | — | — |
| 2021 | 107.00 days | — | — |
| 2020 | 78.00 days | — | — |
| 2019 | 48.00 days | — | — |
| 2018 | 60.00 days | — | — |
| 2017 | 70.00 days | — | — |
| 2016 | 57.00 days | — | — |
| 2015 | 70.00 days | — | — |
| 2014 | 69.00 days | — | — |
| 2013 | 82.00 days | — | — |
| 2012 | 65.00 days | — | — |
| 2011 | 70.00 days | — | — |
| 2010 | 83.00 days | — | — |
| 2009 | 75.00 days | — | — |
| 2008 | 81.00 days | — | — |
| 2007 | 80.00 days | — | — |
| 2006 | 99.00 days | — | — |
| 2005 | 166.00 days | — | — |
| 2004 | 169.00 days | — | — |
| 2003 | 174.00 days | — | — |
| 2002 | 161.00 days | — | — |
| 2001 | 187.00 days | — | — |
| 2000 | 176.00 days | — | — |
| 1999 | 147.00 days | — | — |
| 1998 | 43.00 days | — | — |
| 1997 | 36.00 days | — | — |
| 1996 | 32.00 days | — | — |
| 1995 | 49.00 days | — | — |
| 1994 | 37.00 days | — | — |
| 1993 | 47.00 days | — | — |
| 1992 | 6.00 days | — | — |
| 1991 | 26.00 days | — | — |
| 1990 | 8.00 days | — | — |
Annual indicator
90th percentile daily AQI
62.00 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 | 62.00 AQI index | provisional-current-year | — |
| 2025 | 75.00 AQI index | — | — |
| 2024 | 66.00 AQI index | — | — |
| 2023 | 80.00 AQI index | — | — |
| 2022 | 64.00 AQI index | — | — |
| 2021 | 64.00 AQI index | — | — |
| 2020 | 58.00 AQI index | — | — |
| 2019 | 62.00 AQI index | — | — |
| 2018 | 67.00 AQI index | — | — |
| 2017 | 67.00 AQI index | — | — |
| 2016 | 71.00 AQI index | — | — |
| 2015 | 71.00 AQI index | — | — |
| 2014 | 80.00 AQI index | — | — |
| 2013 | 80.00 AQI index | — | — |
| 2012 | 122.00 AQI index | — | — |
| 2011 | 77.00 AQI index | — | — |
| 2010 | 80.00 AQI index | — | — |
| 2009 | 77.00 AQI index | — | — |
| 2008 | 80.00 AQI index | — | — |
| 2007 | 112.00 AQI index | — | — |
| 2006 | 84.00 AQI index | — | — |
| 2005 | 108.00 AQI index | — | — |
| 2004 | 84.00 AQI index | — | — |
| 2003 | 95.00 AQI index | — | — |
| 2002 | 105.00 AQI index | — | — |
| 2001 | 100.00 AQI index | — | — |
| 2000 | 86.00 AQI index | — | — |
| 1999 | 102.00 AQI index | — | — |
| 1998 | 147.00 AQI index | — | — |
| 1997 | 100.00 AQI index | — | — |
| 1996 | 100.00 AQI index | — | — |
| 1995 | 126.00 AQI index | — | — |
| 1994 | 122.00 AQI index | — | — |
| 1993 | 93.00 AQI index | — | — |
| 1992 | 49.00 AQI index | — | — |
| 1991 | 166.00 AQI index | — | — |
| 1990 | 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 | 2.00 days | — | — |
| 2024 | 0.00 days | — | — |
| 2023 | 1.00 days | — | — |
| 2022 | 2.00 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 | 1.00 days | — | — |
| 2013 | 1.00 days | — | — |
| 2012 | 11.00 days | — | — |
| 2011 | 3.00 days | — | — |
| 2010 | 0.00 days | — | — |
| 2009 | 1.00 days | — | — |
| 2008 | 1.00 days | — | — |
| 2007 | 4.00 days | — | — |
| 2006 | 4.00 days | — | — |
| 2005 | 8.00 days | — | — |
| 2004 | 0.00 days | — | — |
| 2003 | 6.00 days | — | — |
| 2002 | 15.00 days | — | — |
| 2001 | 9.00 days | — | — |
| 2000 | 1.00 days | — | — |
| 1999 | 9.00 days | — | — |
| 1998 | 16.00 days | — | — |
| 1997 | 6.00 days | — | — |
| 1996 | 6.00 days | — | — |
| 1995 | 10.00 days | — | — |
| 1994 | 10.00 days | — | — |
| 1993 | 2.00 days | — | — |
| 1992 | 0.00 days | — | — |
| 1991 | 18.00 days | — | — |
| 1990 | 2.00 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 | 12.00 days | — | — |
| 2024 | 4.00 days | — | — |
| 2023 | 11.00 days | — | — |
| 2022 | 4.00 days | — | — |
| 2021 | 9.00 days | — | — |
| 2020 | 6.00 days | — | — |
| 2019 | 4.00 days | — | — |
| 2018 | 8.00 days | — | — |
| 2017 | 4.00 days | — | — |
| 2016 | 9.00 days | — | — |
| 2015 | 4.00 days | — | — |
| 2014 | 6.00 days | — | — |
| 2013 | 7.00 days | — | — |
| 2012 | 25.00 days | — | — |
| 2011 | 6.00 days | — | — |
| 2010 | 5.00 days | — | — |
| 2009 | 4.00 days | — | — |
| 2008 | 7.00 days | — | — |
| 2007 | 21.00 days | — | — |
| 2006 | 13.00 days | — | — |
| 2005 | 32.00 days | — | — |
| 2004 | 14.00 days | — | — |
| 2003 | 20.00 days | — | — |
| 2002 | 22.00 days | — | — |
| 2001 | 27.00 days | — | — |
| 2000 | 14.00 days | — | — |
| 1999 | 26.00 days | — | — |
| 1998 | 24.00 days | — | — |
| 1997 | 12.00 days | — | — |
| 1996 | 17.00 days | — | — |
| 1995 | 26.00 days | — | — |
| 1994 | 27.00 days | — | — |
| 1993 | 15.00 days | — | — |
| 1992 | 0.00 days | — | — |
| 1991 | 24.00 days | — | — |
| 1990 | 6.00 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 | 2.00 days | — | — |
| 2006 | 0.00 days | — | — |
| 2005 | 2.00 days | — | — |
| 2004 | 1.00 days | — | — |
| 2003 | 1.00 days | — | — |
| 2002 | 3.00 days | — | — |
| 2001 | 0.00 days | — | — |
| 2000 | 2.00 days | — | — |
| 1999 | 1.00 days | — | — |
| 1998 | 1.00 days | — | — |
| 1997 | 0.00 days | — | — |
| 1996 | 2.00 days | — | — |
| 1995 | 4.00 days | — | — |
| 1994 | 0.00 days | — | — |
| 1993 | 0.00 days | — | — |
| 1992 | 0.00 days | — | — |
| 1991 | 3.00 days | — | — |
| 1990 | 1.00 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.