Data / Median Air Quality Index (US EPA) / Autauga County

Median Air Quality Index (US EPA) in Autauga County

Median Air Quality Index (US EPA) in Autauga County was 43 in 1990, according to the U.S. Environmental Protection Agency. That is up 9 from 1989.

1990, index43
Change on 1989+9
Series high481980
Series low341989

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Median Air Quality Index (US EPA) in Autauga County, 1980 to 1990

3035404550198019811982198919901980: 48 index1981: 41 index1982: 40 index1989: 34 index1990: 43 index30354045501980198219901980: 48 index1981: 41 index1982: 40 index1989: 34 index1990: 43 index
index. Source: EPA, EPA AirData annual AQI by county: median daily AQI. Retrieved 2026-10-12, published 2026-07-13.
All 5 values
Periodindex
199043
198934
198240
198141
198048

Autauga County compared with nearby places

Autauga County: 43 indexCalhoun County: 23 indexColbert County: 19 indexDeKalb County: 47 indexElmore County: 45 indexEscambia County: 26 indexEtowah County: 29 indexFranklin County: 20 indexHouston County: 24 indexJackson County: 21 indexJefferson County: 50 indexMadison County: 37 indexMarengo County: 20 indexMobile County: 41 indexMontgomery County: 43 indexMorgan County: 21 indexPike County: 20 indexRussell County: 25 indexShelby County: 42 indexTalladega County: 33 indexTuscaloosa County: 27 indexWalker County: 23 index
  • Under 21
  • 21 to 24
  • 24 to 31
  • 31 to 43
  • 43 and over
  • No data
Median Air Quality Index (US EPA), 1990, index. Autauga 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

Median of the daily Air Quality Index (AQI) values of a US county over the days of the year with an AQI, from the EPA AirData annual summaries.

More on how it is measured
  • The daily county AQI is the highest AQI among the monitors and pollutants reported that day (ozone, PM2.5, PM10, carbon monoxide and nitrogen dioxide).
  • Lower is cleaner: 0 to 50 is good, 51 to 100 moderate and above 100 unhealthy for sensitive groups.

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: median 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: median daily AQI (Median Air Quality Index (US EPA), Autauga County, 1980 to 1990) [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: median daily AQI, Median Air Quality Index (US EPA), Autauga County, 1980 to 1990. U.S. Environmental Protection Agency, 13 July 2026, https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Invokely, https://invokely.ai/en/median-air-quality-index/autauga-county-alabama. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Environmental Protection Agency. 2026. EPA AirData annual AQI by county: median daily AQI. Median Air Quality Index (US EPA), Autauga County, 1980 to 1990. Dataset. Accessed October 12, 2026. https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Also distributed by Invokely, https://invokely.ai/en/median-air-quality-index/autauga-county-alabama.

Harvard

U.S. Environmental Protection Agency (2026) EPA AirData annual AQI by county: median daily AQI, Median Air Quality Index (US EPA), Autauga County, 1980 to 1990 [Dataset]. Available at: https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual, via Invokely: https://invokely.ai/en/median-air-quality-index/autauga-county-alabama (Accessed: 12 October 2026).

BibTeX
@misc{environmental_median_air_quality_index_1990,
  author = {{U.S. Environmental Protection Agency}},
  title = {{EPA AirData annual AQI by county: median daily AQI: Median Air Quality Index (US EPA), Autauga County, 1980 to 1990}},
  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/median-air-quality-index/autauga-county-alabama. Publisher attribution: U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: median 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: median daily AQI: Median Air Quality Index (US EPA), Autauga County, 1980 to 1990
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/median-air-quality-index/autauga-county-alabama
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/median-air-quality-index/autauga-county-alabama.
N1  - Publisher attribution: U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: median 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 median Air Quality Index (US EPA) in Autauga County?

Median Air Quality Index (US EPA) in Autauga County was 43 in 1990, according to the U.S. Environmental Protection Agency. That is up 9 from 1989.

Where does this figure come from?

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

What was the highest median Air Quality Index (US EPA) in Autauga County?

48 in 1980, the highest value since 1980 in this series.

Related statistics for Autauga County

All statistics for Autauga County | Autauga County in figures