Air quality reference
Corsicana, TX
Corsicana, TX has a published AQI value of 46, categorized as Good, 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
- Corsicana, TX
- Air quality index
- 46
- Category
- Good
- 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 | 366.00 days | — | — |
| 2023 | 364.00 days | — | — |
| 2022 | 364.00 days | — | — |
| 2021 | 365.00 days | — | — |
| 2020 | 366.00 days | — | — |
| 2019 | 362.00 days | — | — |
| 2018 | 364.00 days | — | — |
| 2017 | 365.00 days | — | — |
| 2016 | 366.00 days | — | — |
| 2015 | 364.00 days | — | — |
| 2014 | 364.00 days | — | — |
| 2013 | 365.00 days | — | — |
| 2012 | 366.00 days | — | — |
| 2011 | 365.00 days | — | — |
| 2010 | 364.00 days | — | — |
| 2009 | 197.00 days | — | — |
Annual indicator
Good AQI days
71.00 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 | 71.00 days | provisional-current-year | — |
| 2025 | 215.00 days | — | — |
| 2024 | 205.00 days | — | — |
| 2023 | 217.00 days | — | — |
| 2022 | 242.00 days | — | — |
| 2021 | 266.00 days | — | — |
| 2020 | 257.00 days | — | — |
| 2019 | 275.00 days | — | — |
| 2018 | 266.00 days | — | — |
| 2017 | 233.00 days | — | — |
| 2016 | 260.00 days | — | — |
| 2015 | 234.00 days | — | — |
| 2014 | 215.00 days | — | — |
| 2013 | 207.00 days | — | — |
| 2012 | 206.00 days | — | — |
| 2011 | 162.00 days | — | — |
| 2010 | 196.00 days | — | — |
| 2009 | 98.00 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 | — | — |
Annual indicator
Maximum daily AQI
67.00 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 | 67.00 AQI index | provisional-current-year | — |
| 2025 | 107.00 AQI index | — | — |
| 2024 | 129.00 AQI index | — | — |
| 2023 | 100.00 AQI index | — | — |
| 2022 | 101.00 AQI index | — | — |
| 2021 | 100.00 AQI index | — | — |
| 2020 | 113.00 AQI index | — | — |
| 2019 | 100.00 AQI index | — | — |
| 2018 | 117.00 AQI index | — | — |
| 2017 | 108.00 AQI index | — | — |
| 2016 | 85.00 AQI index | — | — |
| 2015 | 105.00 AQI index | — | — |
| 2014 | 93.00 AQI index | — | — |
| 2013 | 126.00 AQI index | — | — |
| 2012 | 159.00 AQI index | — | — |
| 2011 | 147.00 AQI index | — | — |
| 2010 | 105.00 AQI index | — | — |
| 2009 | 97.00 AQI index | — | — |
Annual indicator
Median daily AQI
42.00 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 | 42.00 AQI index | provisional-current-year | — |
| 2025 | 47.00 AQI index | — | — |
| 2024 | 48.00 AQI index | — | — |
| 2023 | 46.00 AQI index | — | — |
| 2022 | 44.00 AQI index | — | — |
| 2021 | 41.00 AQI index | — | — |
| 2020 | 42.00 AQI index | — | — |
| 2019 | 42.00 AQI index | — | — |
| 2018 | 41.00 AQI index | — | — |
| 2017 | 46.00 AQI index | — | — |
| 2016 | 43.00 AQI index | — | — |
| 2015 | 43.00 AQI index | — | — |
| 2014 | 47.00 AQI index | — | — |
| 2013 | 47.00 AQI index | — | — |
| 2012 | 48.00 AQI index | — | — |
| 2011 | 52.00 AQI index | — | — |
| 2010 | 49.00 AQI index | — | — |
| 2009 | 51.00 AQI index | — | — |
Annual indicator
Moderate AQI days
19.00 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 | 19.00 days | provisional-current-year | — |
| 2025 | 147.00 days | — | — |
| 2024 | 153.00 days | — | — |
| 2023 | 147.00 days | — | — |
| 2022 | 121.00 days | — | — |
| 2021 | 99.00 days | — | — |
| 2020 | 107.00 days | — | — |
| 2019 | 87.00 days | — | — |
| 2018 | 94.00 days | — | — |
| 2017 | 131.00 days | — | — |
| 2016 | 106.00 days | — | — |
| 2015 | 129.00 days | — | — |
| 2014 | 149.00 days | — | — |
| 2013 | 153.00 days | — | — |
| 2012 | 158.00 days | — | — |
| 2011 | 190.00 days | — | — |
| 2010 | 167.00 days | — | — |
| 2009 | 99.00 days | — | — |
Annual indicator
90th percentile daily AQI
55.00 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 | 55.00 AQI index | provisional-current-year | — |
| 2025 | 65.00 AQI index | — | — |
| 2024 | 77.00 AQI index | — | — |
| 2023 | 69.00 AQI index | — | — |
| 2022 | 64.00 AQI index | — | — |
| 2021 | 61.00 AQI index | — | — |
| 2020 | 58.00 AQI index | — | — |
| 2019 | 57.00 AQI index | — | — |
| 2018 | 68.00 AQI index | — | — |
| 2017 | 62.00 AQI index | — | — |
| 2016 | 58.00 AQI index | — | — |
| 2015 | 65.00 AQI index | — | — |
| 2014 | 62.00 AQI index | — | — |
| 2013 | 71.00 AQI index | — | — |
| 2012 | 71.00 AQI index | — | — |
| 2011 | 80.00 AQI index | — | — |
| 2010 | 67.00 AQI index | — | — |
| 2009 | 71.00 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 | — | — |
| 2012 | 1.00 days | — | — |
| 2011 | 0.00 days | — | — |
| 2010 | 0.00 days | — | — |
| 2009 | 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 | 1.00 days | — | — |
| 2024 | 8.00 days | — | — |
| 2023 | 0.00 days | — | — |
| 2022 | 1.00 days | — | — |
| 2021 | 0.00 days | — | — |
| 2020 | 2.00 days | — | — |
| 2019 | 0.00 days | — | — |
| 2018 | 4.00 days | — | — |
| 2017 | 1.00 days | — | — |
| 2016 | 0.00 days | — | — |
| 2015 | 1.00 days | — | — |
| 2014 | 0.00 days | — | — |
| 2013 | 5.00 days | — | — |
| 2012 | 1.00 days | — | — |
| 2011 | 13.00 days | — | — |
| 2010 | 1.00 days | — | — |
| 2009 | 0.00 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 | — | — |
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.