Air quality reference
Niles-Benton Harbor, MI
Niles-Benton Harbor, MI has a published AQI value of 36, 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
- Niles-Benton Harbor, MI
- Air quality index
- 36
- 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
31.00 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 | 31.00 days | provisional-current-year | — |
| 2025 | 262.00 days | — | — |
| 2024 | 241.00 days | — | — |
| 2023 | 244.00 days | — | — |
| 2022 | 232.00 days | — | — |
| 2021 | 250.00 days | — | — |
| 2020 | 258.00 days | — | — |
| 2019 | 260.00 days | — | — |
| 2018 | 245.00 days | — | — |
| 2017 | 283.00 days | — | — |
| 2016 | 242.00 days | — | — |
| 2015 | 243.00 days | — | — |
| 2014 | 239.00 days | — | — |
| 2013 | 240.00 days | — | — |
| 2012 | 244.00 days | — | — |
| 2011 | 243.00 days | — | — |
| 2010 | 243.00 days | — | — |
| 2009 | 240.00 days | — | — |
| 2008 | 234.00 days | — | — |
| 2007 | 241.00 days | — | — |
| 2006 | 229.00 days | — | — |
| 2005 | 239.00 days | — | — |
| 2004 | 240.00 days | — | — |
| 2003 | 241.00 days | — | — |
| 2002 | 241.00 days | — | — |
| 2001 | 239.00 days | — | — |
| 2000 | 243.00 days | — | — |
| 1999 | 219.00 days | — | — |
| 1998 | 177.00 days | — | — |
| 1997 | 183.00 days | — | — |
| 1996 | 183.00 days | — | — |
| 1995 | 183.00 days | — | — |
| 1994 | 177.00 days | — | — |
| 1993 | 182.00 days | — | — |
| 1992 | 56.00 days | — | — |
| 1991 | 113.00 days | — | — |
Annual indicator
Good AQI days
31.00 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 | 31.00 days | provisional-current-year | — |
| 2025 | 212.00 days | — | — |
| 2024 | 200.00 days | — | — |
| 2023 | 181.00 days | — | — |
| 2022 | 197.00 days | — | — |
| 2021 | 209.00 days | — | — |
| 2020 | 217.00 days | — | — |
| 2019 | 232.00 days | — | — |
| 2018 | 208.00 days | — | — |
| 2017 | 212.00 days | — | — |
| 2016 | 166.00 days | — | — |
| 2015 | 160.00 days | — | — |
| 2014 | 152.00 days | — | — |
| 2013 | 156.00 days | — | — |
| 2012 | 142.00 days | — | — |
| 2011 | 158.00 days | — | — |
| 2010 | 150.00 days | — | — |
| 2009 | 156.00 days | — | — |
| 2008 | 138.00 days | — | — |
| 2007 | 121.00 days | — | — |
| 2006 | 150.00 days | — | — |
| 2005 | 102.00 days | — | — |
| 2004 | 148.00 days | — | — |
| 2003 | 123.00 days | — | — |
| 2002 | 118.00 days | — | — |
| 2001 | 122.00 days | — | — |
| 2000 | 134.00 days | — | — |
| 1999 | 107.00 days | — | — |
| 1998 | 73.00 days | — | — |
| 1997 | 95.00 days | — | — |
| 1996 | 97.00 days | — | — |
| 1995 | 105.00 days | — | — |
| 1994 | 118.00 days | — | — |
| 1993 | 128.00 days | — | — |
| 1992 | 47.00 days | — | — |
| 1991 | 40.00 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 | — | — |
Annual indicator
Maximum daily AQI
45.00 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 | 45.00 AQI index | provisional-current-year | — |
| 2025 | 147.00 AQI index | — | — |
| 2024 | 101.00 AQI index | — | — |
| 2023 | 143.00 AQI index | — | — |
| 2022 | 156.00 AQI index | — | — |
| 2021 | 129.00 AQI index | — | — |
| 2020 | 150.00 AQI index | — | — |
| 2019 | 112.00 AQI index | — | — |
| 2018 | 126.00 AQI index | — | — |
| 2017 | 112.00 AQI index | — | — |
| 2016 | 140.00 AQI index | — | — |
| 2015 | 126.00 AQI index | — | — |
| 2014 | 133.00 AQI index | — | — |
| 2013 | 126.00 AQI index | — | — |
| 2012 | 208.00 AQI index | — | — |
| 2011 | 177.00 AQI index | — | — |
| 2010 | 129.00 AQI index | — | — |
| 2009 | 136.00 AQI index | — | — |
| 2008 | 150.00 AQI index | — | — |
| 2007 | 201.00 AQI index | — | — |
| 2006 | 151.00 AQI index | — | — |
| 2005 | 177.00 AQI index | — | — |
| 2004 | 126.00 AQI index | — | — |
| 2003 | 190.00 AQI index | — | — |
| 2002 | 203.00 AQI index | — | — |
| 2001 | 192.00 AQI index | — | — |
| 2000 | 182.00 AQI index | — | — |
| 1999 | 207.00 AQI index | — | — |
| 1998 | 212.00 AQI index | — | — |
| 1997 | 195.00 AQI index | — | — |
| 1996 | 215.00 AQI index | — | — |
| 1995 | 206.00 AQI index | — | — |
| 1994 | 161.00 AQI index | — | — |
| 1993 | 133.00 AQI index | — | — |
| 1992 | 105.00 AQI index | — | — |
| 1991 | 204.00 AQI index | — | — |
Annual indicator
Median daily AQI
37.00 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 | 37.00 AQI index | provisional-current-year | — |
| 2025 | 41.00 AQI index | — | — |
| 2024 | 41.00 AQI index | — | — |
| 2023 | 42.00 AQI index | — | — |
| 2022 | 39.00 AQI index | — | — |
| 2021 | 40.00 AQI index | — | — |
| 2020 | 38.00 AQI index | — | — |
| 2019 | 39.00 AQI index | — | — |
| 2018 | 40.00 AQI index | — | — |
| 2017 | 41.00 AQI index | — | — |
| 2016 | 43.00 AQI index | — | — |
| 2015 | 43.00 AQI index | — | — |
| 2014 | 44.00 AQI index | — | — |
| 2013 | 44.00 AQI index | — | — |
| 2012 | 46.00 AQI index | — | — |
| 2011 | 43.00 AQI index | — | — |
| 2010 | 45.00 AQI index | — | — |
| 2009 | 44.00 AQI index | — | — |
| 2008 | 46.00 AQI index | — | — |
| 2007 | 50.00 AQI index | — | — |
| 2006 | 46.00 AQI index | — | — |
| 2005 | 54.00 AQI index | — | — |
| 2004 | 44.00 AQI index | — | — |
| 2003 | 49.00 AQI index | — | — |
| 2002 | 51.00 AQI index | — | — |
| 2001 | 49.00 AQI index | — | — |
| 2000 | 48.00 AQI index | — | — |
| 1999 | 51.00 AQI index | — | — |
| 1998 | 58.00 AQI index | — | — |
| 1997 | 50.00 AQI index | — | — |
| 1996 | 49.00 AQI index | — | — |
| 1995 | 47.00 AQI index | — | — |
| 1994 | 44.00 AQI index | — | — |
| 1993 | 43.00 AQI index | — | — |
| 1992 | 40.00 AQI index | — | — |
| 1991 | 80.00 AQI index | — | — |
Annual indicator
Moderate AQI days
0.00 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 | 0.00 days | provisional-current-year | — |
| 2025 | 47.00 days | — | — |
| 2024 | 40.00 days | — | — |
| 2023 | 52.00 days | — | — |
| 2022 | 30.00 days | — | — |
| 2021 | 38.00 days | — | — |
| 2020 | 34.00 days | — | — |
| 2019 | 26.00 days | — | — |
| 2018 | 29.00 days | — | — |
| 2017 | 68.00 days | — | — |
| 2016 | 65.00 days | — | — |
| 2015 | 79.00 days | — | — |
| 2014 | 82.00 days | — | — |
| 2013 | 79.00 days | — | — |
| 2012 | 72.00 days | — | — |
| 2011 | 73.00 days | — | — |
| 2010 | 88.00 days | — | — |
| 2009 | 81.00 days | — | — |
| 2008 | 92.00 days | — | — |
| 2007 | 94.00 days | — | — |
| 2006 | 70.00 days | — | — |
| 2005 | 105.00 days | — | — |
| 2004 | 86.00 days | — | — |
| 2003 | 94.00 days | — | — |
| 2002 | 90.00 days | — | — |
| 2001 | 87.00 days | — | — |
| 2000 | 102.00 days | — | — |
| 1999 | 75.00 days | — | — |
| 1998 | 67.00 days | — | — |
| 1997 | 56.00 days | — | — |
| 1996 | 54.00 days | — | — |
| 1995 | 50.00 days | — | — |
| 1994 | 46.00 days | — | — |
| 1993 | 42.00 days | — | — |
| 1992 | 6.00 days | — | — |
| 1991 | 34.00 days | — | — |
Annual indicator
90th percentile daily AQI
43.00 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 | 43.00 AQI index | provisional-current-year | — |
| 2025 | 67.00 AQI index | — | — |
| 2024 | 58.00 AQI index | — | — |
| 2023 | 80.00 AQI index | — | — |
| 2022 | 61.00 AQI index | — | — |
| 2021 | 67.00 AQI index | — | — |
| 2020 | 61.00 AQI index | — | — |
| 2019 | 51.00 AQI index | — | — |
| 2018 | 61.00 AQI index | — | — |
| 2017 | 64.00 AQI index | — | — |
| 2016 | 80.00 AQI index | — | — |
| 2015 | 69.00 AQI index | — | — |
| 2014 | 74.00 AQI index | — | — |
| 2013 | 77.00 AQI index | — | — |
| 2012 | 112.00 AQI index | — | — |
| 2011 | 80.00 AQI index | — | — |
| 2010 | 77.00 AQI index | — | — |
| 2009 | 73.00 AQI index | — | — |
| 2008 | 80.00 AQI index | — | — |
| 2007 | 101.00 AQI index | — | — |
| 2006 | 77.00 AQI index | — | — |
| 2005 | 112.00 AQI index | — | — |
| 2004 | 82.00 AQI index | — | — |
| 2003 | 100.00 AQI index | — | — |
| 2002 | 112.00 AQI index | — | — |
| 2001 | 108.00 AQI index | — | — |
| 2000 | 84.00 AQI index | — | — |
| 1999 | 133.00 AQI index | — | — |
| 1998 | 140.00 AQI index | — | — |
| 1997 | 122.00 AQI index | — | — |
| 1996 | 133.00 AQI index | — | — |
| 1995 | 115.00 AQI index | — | — |
| 1994 | 90.00 AQI index | — | — |
| 1993 | 84.00 AQI index | — | — |
| 1992 | 71.00 AQI index | — | — |
| 1991 | 154.00 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 | 0.00 days | — | — |
| 2022 | 1.00 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 | 3.00 days | — | — |
| 2011 | 3.00 days | — | — |
| 2010 | 0.00 days | — | — |
| 2009 | 0.00 days | — | — |
| 2008 | 0.00 days | — | — |
| 2007 | 3.00 days | — | — |
| 2006 | 1.00 days | — | — |
| 2005 | 5.00 days | — | — |
| 2004 | 0.00 days | — | — |
| 2003 | 6.00 days | — | — |
| 2002 | 11.00 days | — | — |
| 2001 | 8.00 days | — | — |
| 2000 | 3.00 days | — | — |
| 1999 | 14.00 days | — | — |
| 1998 | 13.00 days | — | — |
| 1997 | 10.00 days | — | — |
| 1996 | 9.00 days | — | — |
| 1995 | 4.00 days | — | — |
| 1994 | 5.00 days | — | — |
| 1993 | 0.00 days | — | — |
| 1992 | 0.00 days | — | — |
| 1991 | 11.00 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 | 3.00 days | — | — |
| 2024 | 1.00 days | — | — |
| 2023 | 11.00 days | — | — |
| 2022 | 4.00 days | — | — |
| 2021 | 3.00 days | — | — |
| 2020 | 7.00 days | — | — |
| 2019 | 2.00 days | — | — |
| 2018 | 8.00 days | — | — |
| 2017 | 3.00 days | — | — |
| 2016 | 11.00 days | — | — |
| 2015 | 4.00 days | — | — |
| 2014 | 5.00 days | — | — |
| 2013 | 5.00 days | — | — |
| 2012 | 26.00 days | — | — |
| 2011 | 9.00 days | — | — |
| 2010 | 5.00 days | — | — |
| 2009 | 3.00 days | — | — |
| 2008 | 4.00 days | — | — |
| 2007 | 22.00 days | — | — |
| 2006 | 8.00 days | — | — |
| 2005 | 27.00 days | — | — |
| 2004 | 6.00 days | — | — |
| 2003 | 18.00 days | — | — |
| 2002 | 21.00 days | — | — |
| 2001 | 22.00 days | — | — |
| 2000 | 4.00 days | — | — |
| 1999 | 22.00 days | — | — |
| 1998 | 23.00 days | — | — |
| 1997 | 22.00 days | — | — |
| 1996 | 20.00 days | — | — |
| 1995 | 22.00 days | — | — |
| 1994 | 8.00 days | — | — |
| 1993 | 12.00 days | — | — |
| 1992 | 3.00 days | — | — |
| 1991 | 27.00 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 | 1.00 days | — | — |
| 2011 | 0.00 days | — | — |
| 2010 | 0.00 days | — | — |
| 2009 | 0.00 days | — | — |
| 2008 | 0.00 days | — | — |
| 2007 | 1.00 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 | — | — |
| 1999 | 1.00 days | — | — |
| 1998 | 1.00 days | — | — |
| 1997 | 0.00 days | — | — |
| 1996 | 3.00 days | — | — |
| 1995 | 2.00 days | — | — |
| 1994 | 0.00 days | — | — |
| 1993 | 0.00 days | — | — |
| 1992 | 0.00 days | — | — |
| 1991 | 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.