Data / Highest daily Air Quality Index (US EPA) / Jackson County

Highest daily Air Quality Index (US EPA) in Jackson County

Highest daily Air Quality Index (US EPA) in Jackson County was 39 in 2005, according to the U.S. Environmental Protection Agency. That is down 76 from 2004. That is the 24th highest of 24 counties in 2005.

2005, index39
Change on 2004-76
Rank24th of 24Counties in Alabama ranked
Series high1152004
Series low161997

Next release: Tuesday, 13 July 2027, estimated by Invokely from past publication dates (low confidence), not announced by the publisher. Release calendar

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Highest daily Air Quality Index (US EPA) in Jackson County, 1990 to 2005

020406080100120199019921994199620051990: 48 index1991: 65 index1992: 47 index1993: 51 index1994: 51 index1995: 51 index1996: 31 index1997: 16 index2004: 115 index2005: 39 index02550751001251990199420051990: 48 index1991: 65 index1992: 47 index1993: 51 index1994: 51 index1995: 51 index1996: 31 index1997: 16 index2004: 115 index2005: 39 index
index. Source: EPA, EPA AirData annual AQI by county: highest daily AQI. Retrieved 2026-10-12, published 2026-07-13.
All 10 values
Periodindex
200539
2004115
199716
199631
199551
199451
199351
199247
199165
199048

Jackson County compared with nearby places

Baldwin County: 147 indexBarbour County: 119 indexClay County: 136 indexColbert County: 126 indexDeKalb County: 140 indexElmore County: 101 indexEscambia County: 98 indexEtowah County: 120 indexHouston County: 124 indexJackson County: 39 indexJefferson County: 177 indexLawrence County: 126 indexMadison County: 133 indexMarengo County: 49 indexMobile County: 154 indexMontgomery County: 133 indexMorgan County: 136 indexPike County: 51 indexRussell County: 156 indexShelby County: 179 indexSumter County: 117 indexTalladega County: 110 indexTuscaloosa County: 164 indexWalker County: 113 index
  • Under 110
  • 110 to 120
  • 120 to 130
  • 130 to 150
  • 150 and over
  • No data
Highest daily Air Quality Index (US EPA), 2005, index. Jackson County is outlined. Same source and period for every area shown. Source: U.S. Environmental Protection Agency. Boundaries: U.S. Census Bureau cartographic boundary files.

Rankings

Definition

Highest daily Air Quality Index (AQI) value recorded in a US county during the year, from the EPA AirData annual summaries. Values above 500 are beyond the AQI scale and are published as EPA computes them.

A single day decides the value, so one wildfire or dust event can set it. Dust from the dry Owens Lake bed puts Inyo and Mono counties in California in the thousands. United States counties with air quality monitors only, about 1,000 of some 3,100 in recent years; a county without monitors has no value. The number of days with an AQI differs between counties because some monitors run only in the ozone season.

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How to cite

U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: highest daily AQI. https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Environmental Protection Agency. (2026). EPA AirData annual AQI by county: highest daily AQI (Highest daily Air Quality Index (US EPA), Jackson County, 1990 to 2005) [Data set]. Retrieved October 12, 2026, from https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual

MLA 9

EPA AirData annual AQI by county: highest daily AQI, Highest daily Air Quality Index (US EPA), Jackson County, 1990 to 2005. U.S. Environmental Protection Agency, 13 July 2026, https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Invokely, https://invokely.ai/en/highest-daily-air-quality-index/jackson-county-alabama. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Environmental Protection Agency. 2026. EPA AirData annual AQI by county: highest daily AQI. Highest daily Air Quality Index (US EPA), Jackson County, 1990 to 2005. Dataset. Accessed October 12, 2026. https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Also distributed by Invokely, https://invokely.ai/en/highest-daily-air-quality-index/jackson-county-alabama.

Harvard

U.S. Environmental Protection Agency (2026) EPA AirData annual AQI by county: highest daily AQI, Highest daily Air Quality Index (US EPA), Jackson County, 1990 to 2005 [Dataset]. Available at: https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual, via Invokely: https://invokely.ai/en/highest-daily-air-quality-index/jackson-county-alabama (Accessed: 12 October 2026).

BibTeX
@misc{environmental_highest_daily_air_quality_2005,
  author = {{U.S. Environmental Protection Agency}},
  title = {{EPA AirData annual AQI by county: highest daily AQI: Highest daily Air Quality Index (US EPA), Jackson County, 1990 to 2005}},
  year = {2026},
  howpublished = {Data set},
  url = {https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/en/highest-daily-air-quality-index/jackson-county-alabama. Publisher attribution: U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: highest daily AQI. https://aqs.epa.gov/aqsweb/airdata/download\_files.html\#Annual. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Environmental Protection Agency
TI  - EPA AirData annual AQI by county: highest daily AQI: Highest daily Air Quality Index (US EPA), Jackson County, 1990 to 2005
PY  - 2026
DA  - 2026/07/13
PB  - U.S. Environmental Protection Agency
DB  - Invokely
UR  - https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual
L2  - https://invokely.ai/en/highest-daily-air-quality-index/jackson-county-alabama
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/highest-daily-air-quality-index/jackson-county-alabama.
N1  - Publisher attribution: U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: highest daily AQI. https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Retrieved 2026-10-12.
ER  -
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Questions

What is the highest daily Air Quality Index (US EPA) in Jackson County?

Highest daily Air Quality Index (US EPA) in Jackson County was 39 in 2005, according to the U.S. Environmental Protection Agency. That is down 76 from 2004. That is the 24th highest of 24 counties in 2005.

Where does this figure come from?

U.S. Environmental Protection Agency. EPA AirData annual AQI by county: highest daily AQI. Retrieved by Invokely on 2026-10-12.

What was the highest highest daily Air Quality Index (US EPA) in Jackson County?

115 in 2004, the highest value since 1990 in this series.

Related statistics for Jackson County

All statistics for Jackson County | Jackson County in figures