Air quality reference
Columbus, IN
Columbus, IN has a published AQI value of 47, categorized as Good, for 2026-05-31T00:00:00+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
- Columbus, IN
- Air quality index
- 47
- Category
- Good
- Defining parameter
- Ozone
- Sites reporting
- 1
- Measured at
- 2026-05-31T00:00:00+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
151.00 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 | 151.00 days | provisional-current-year | — |
| 2025 | 365.00 days | — | — |
| 2024 | 366.00 days | — | — |
| 2023 | 361.00 days | — | — |
| 2022 | 365.00 days | — | — |
| 2021 | 364.00 days | — | — |
| 2020 | 366.00 days | — | — |
| 2019 | 364.00 days | — | — |
| 2018 | 365.00 days | — | — |
| 2017 | 364.00 days | — | — |
| 2016 | 366.00 days | — | — |
| 2015 | 365.00 days | — | — |
| 2014 | 364.00 days | — | — |
| 2013 | 214.00 days | — | — |
| 2001 | 222.00 days | — | — |
| 2000 | 131.00 days | — | — |
| 1991 | 92.00 days | — | — |
| 1990 | 208.00 days | — | — |
| 1989 | 203.00 days | — | — |
Annual indicator
Good AQI days
105.00 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 | 105.00 days | provisional-current-year | — |
| 2025 | 265.00 days | — | — |
| 2024 | 262.00 days | — | — |
| 2023 | 234.00 days | — | — |
| 2022 | 280.00 days | — | — |
| 2021 | 252.00 days | — | — |
| 2020 | 275.00 days | — | — |
| 2019 | 256.00 days | — | — |
| 2018 | 242.00 days | — | — |
| 2017 | 256.00 days | — | — |
| 2016 | 211.00 days | — | — |
| 2015 | 178.00 days | — | — |
| 2014 | 234.00 days | — | — |
| 2013 | 175.00 days | — | — |
| 2001 | 211.00 days | — | — |
| 2000 | 124.00 days | — | — |
| 1991 | 48.00 days | — | — |
| 1990 | 130.00 days | — | — |
| 1989 | 155.00 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 | — | — |
| 2001 | 0.00 days | — | — |
| 2000 | 0.00 days | — | — |
| 1991 | 0.00 days | — | — |
| 1990 | 0.00 days | — | — |
| 1989 | 0.00 days | — | — |
Annual indicator
Maximum daily AQI
75.00 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 | 75.00 AQI index | provisional-current-year | — |
| 2025 | 97.00 AQI index | — | — |
| 2024 | 101.00 AQI index | — | — |
| 2023 | 215.00 AQI index | — | — |
| 2022 | 105.00 AQI index | — | — |
| 2021 | 93.00 AQI index | — | — |
| 2020 | 97.00 AQI index | — | — |
| 2019 | 77.00 AQI index | — | — |
| 2018 | 108.00 AQI index | — | — |
| 2017 | 93.00 AQI index | — | — |
| 2016 | 105.00 AQI index | — | — |
| 2015 | 115.00 AQI index | — | — |
| 2014 | 108.00 AQI index | — | — |
| 2013 | 93.00 AQI index | — | — |
| 2001 | 61.00 AQI index | — | — |
| 2000 | 58.00 AQI index | — | — |
| 1991 | 140.00 AQI index | — | — |
| 1990 | 195.00 AQI index | — | — |
| 1989 | 154.00 AQI index | — | — |
Annual indicator
Median daily AQI
44.00 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 | 44.00 AQI index | provisional-current-year | — |
| 2025 | 43.00 AQI index | — | — |
| 2024 | 44.00 AQI index | — | — |
| 2023 | 46.00 AQI index | — | — |
| 2022 | 41.00 AQI index | — | — |
| 2021 | 43.00 AQI index | — | — |
| 2020 | 41.00 AQI index | — | — |
| 2019 | 44.00 AQI index | — | — |
| 2018 | 44.00 AQI index | — | — |
| 2017 | 43.00 AQI index | — | — |
| 2016 | 47.00 AQI index | — | — |
| 2015 | 51.00 AQI index | — | — |
| 2014 | 43.00 AQI index | — | — |
| 2013 | 35.00 AQI index | — | — |
| 2001 | 19.00 AQI index | — | — |
| 2000 | 19.00 AQI index | — | — |
| 1991 | 48.00 AQI index | — | — |
| 1990 | 46.00 AQI index | — | — |
| 1989 | 40.00 AQI index | — | — |
Annual indicator
Moderate AQI days
46.00 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 | 46.00 days | provisional-current-year | — |
| 2025 | 100.00 days | — | — |
| 2024 | 103.00 days | — | — |
| 2023 | 119.00 days | — | — |
| 2022 | 84.00 days | — | — |
| 2021 | 112.00 days | — | — |
| 2020 | 91.00 days | — | — |
| 2019 | 108.00 days | — | — |
| 2018 | 119.00 days | — | — |
| 2017 | 108.00 days | — | — |
| 2016 | 150.00 days | — | — |
| 2015 | 185.00 days | — | — |
| 2014 | 129.00 days | — | — |
| 2013 | 39.00 days | — | — |
| 2001 | 11.00 days | — | — |
| 2000 | 7.00 days | — | — |
| 1991 | 35.00 days | — | — |
| 1990 | 50.00 days | — | — |
| 1989 | 38.00 days | — | — |
Annual indicator
90th percentile daily AQI
58.00 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 | 58.00 AQI index | provisional-current-year | — |
| 2025 | 59.00 AQI index | — | — |
| 2024 | 58.00 AQI index | — | — |
| 2023 | 64.00 AQI index | — | — |
| 2022 | 57.00 AQI index | — | — |
| 2021 | 61.00 AQI index | — | — |
| 2020 | 57.00 AQI index | — | — |
| 2019 | 58.00 AQI index | — | — |
| 2018 | 63.00 AQI index | — | — |
| 2017 | 58.00 AQI index | — | — |
| 2016 | 66.00 AQI index | — | — |
| 2015 | 69.00 AQI index | — | — |
| 2014 | 67.00 AQI index | — | — |
| 2013 | 67.00 AQI index | — | — |
| 2001 | 43.00 AQI index | — | — |
| 2000 | 41.00 AQI index | — | — |
| 1991 | 100.00 AQI index | — | — |
| 1990 | 112.00 AQI index | — | — |
| 1989 | 77.00 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 | 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 | — | — |
| 2001 | 0.00 days | — | — |
| 2000 | 0.00 days | — | — |
| 1991 | 0.00 days | — | — |
| 1990 | 6.00 days | — | — |
| 1989 | 1.00 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 | 1.00 days | — | — |
| 2023 | 7.00 days | — | — |
| 2022 | 1.00 days | — | — |
| 2021 | 0.00 days | — | — |
| 2020 | 0.00 days | — | — |
| 2019 | 0.00 days | — | — |
| 2018 | 4.00 days | — | — |
| 2017 | 0.00 days | — | — |
| 2016 | 5.00 days | — | — |
| 2015 | 2.00 days | — | — |
| 2014 | 1.00 days | — | — |
| 2013 | 0.00 days | — | — |
| 2001 | 0.00 days | — | — |
| 2000 | 0.00 days | — | — |
| 1991 | 9.00 days | — | — |
| 1990 | 22.00 days | — | — |
| 1989 | 9.00 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 | 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 | — | — |
| 2001 | 0.00 days | — | — |
| 2000 | 0.00 days | — | — |
| 1991 | 0.00 days | — | — |
| 1990 | 0.00 days | — | — |
| 1989 | 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
- 2026-05-31
- 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
- 2026-05-31
- Dataset version
- air-quality-profile-v1
- License
- Original DataOfWorld text
- Attribution
- DataOfWorld
Reference data can change. Verify consequential decisions against the original source.