Data / Share of days with good air quality (US EPA AQI) / Jackson County

Share of days with good air quality (US EPA AQI) in Jackson County

Share of days with good air quality (US EPA AQI) in Jackson County was 100% in 2005, according to EPA. That is up 21.2 pts from 2004. That is the 1st highest of 24 counties in 2005.

2005100%
Change on 2004+21.2 pts
Rank1st of 24Counties in Alabama ranked
Series high1001990
Series low78.82004

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Share of days with good air quality (US EPA AQI) in Jackson County, 1990 to 2005

7580859095100199019921994199620051990: 100 %1991: 93 %1992: 100 %1993: 98.2 %1994: 97.8 %1995: 98.3 %1996: 100 %1997: 100 %2004: 78.8 %2005: 100 %7080901001990199420051990: 100 %1991: 93 %1992: 100 %1993: 98.2 %1994: 97.8 %1995: 98.3 %1996: 100 %1997: 100 %2004: 78.8 %2005: 100 %
%. Source: Invokely calculation with data from EPA. Retrieved 2026-10-12, published 2026-07-13.
All 10 values
Period%
2005100
200478.8
1997100
1996100
199598.3
199497.8
199398.2
1992100
199193
1990100

Jackson County compared with nearby places

Baldwin County: 55.9 %Barbour County: 30.5 %Clay County: 55.3 %Colbert County: 53.6 %DeKalb County: 61.5 %Elmore County: 80.8 %Escambia County: 28.8 %Etowah County: 50.4 %Houston County: 59.6 %Jackson County: 100 %Jefferson County: 2.2 %Lawrence County: 56.5 %Madison County: 57.4 %Marengo County: 100 %Mobile County: 57.3 %Montgomery County: 53 %Morgan County: 47 %Pike County: 98.2 %Russell County: 47.4 %Shelby County: 43.8 %Sumter County: 68.8 %Talladega County: 64.1 %Tuscaloosa County: 51.5 %Walker County: 26.7 %
  • Under 46
  • 46 to 53
  • 53 to 57
  • 57 to 66
  • 66 and over
  • No data
Share of days with good air quality (US EPA AQI), 2005, %. 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

Days with a daily Air Quality Index of 0 to 50 (good) as a percentage of the days of the year with an AQI in a US county. Calculated by Invokely from the day counts in the EPA AirData annual summaries; both counts are stored with each value.

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: good days as a share of days with an AQI, calculated with stored counts. 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: good days as a share of days with an AQI, calculated with stored counts (Share of days with good air quality (US EPA AQI), 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: good days as a share of days with an AQI, calculated with stored counts, Share of days with good air quality (US EPA AQI), 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/good-air-quality-days-share/jackson-county-alabama. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Environmental Protection Agency. 2026. EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts. Share of days with good air quality (US EPA AQI), 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/good-air-quality-days-share/jackson-county-alabama.

Harvard

U.S. Environmental Protection Agency (2026) EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts, Share of days with good air quality (US EPA AQI), Jackson County, 1990 to 2005 [Dataset]. Available at: https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual, via Invokely: https://invokely.ai/en/good-air-quality-days-share/jackson-county-alabama (Accessed: 12 October 2026).

BibTeX
@misc{environmental_share_of_days_with_2005,
  author = {{U.S. Environmental Protection Agency}},
  title = {{EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts: Share of days with good air quality (US EPA AQI), 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/good-air-quality-days-share/jackson-county-alabama. Publisher attribution: U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts. 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: good days as a share of days with an AQI, calculated with stored counts: Share of days with good air quality (US EPA AQI), 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/good-air-quality-days-share/jackson-county-alabama
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/good-air-quality-days-share/jackson-county-alabama.
N1  - Publisher attribution: U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts. https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Retrieved 2026-10-12.
ER  -
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Questions

What is the share of days with good air quality (US EPA AQI) in Jackson County?

Share of days with good air quality (US EPA AQI) in Jackson County was 100% in 2005, according to EPA. That is up 21.2 pts from 2004. That is the 1st highest of 24 counties in 2005.

Where does this figure come from?

U.S. Environmental Protection Agency. EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts. Retrieved by Invokely on 2026-10-12.

What was the highest share of days with good air quality (US EPA AQI) in Jackson County?

100% in 1990, the highest value since 1990 in this series.

Related statistics for Jackson County

All statistics for Jackson County | Jackson County in figures