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 1994, according to EPA. That is up 1.7 pts from 1993.

1994100%
Change on 1993+1.7 pts
Series high1001994
Series low96.61992

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Share of days with good air quality (US EPA AQI) in Jackson County, 1991 to 1994

9697989910019911992199319941991: 97.4 %1992: 96.6 %1993: 98.3 %1994: 100 %96979899100199119941991: 97.4 %1992: 96.6 %1993: 98.3 %1994: 100 %
%. Source: Invokely calculation with data from EPA. Retrieved 2026-10-12, published 2026-07-13.
All 4 values
Period%
1994100
199398.3
199296.6
199197.4

Jackson County compared with nearby places

Adams County: 100 %Allen County: 58.8 %Ashtabula County: 71.7 %Athens County: 96.4 %Belmont County: 87.1 %Butler County: 67.9 %Clark County: 52.3 %Clermont County: 58.6 %Clinton County: 54.7 %Columbiana County: 70.4 %Crawford County: 73 %Cuyahoga County: 47.1 %Fayette County: 71.7 %Franklin County: 73.7 %Greene County: 96.7 %Hamilton County: 69 %Hancock County: 100 %Jackson County: 100 %Jefferson County: 67.7 %Knox County: 60 %Lake County: 74.8 %Lawrence County: 67.1 %Licking County: 55.8 %Logan County: 49.8 %Lorain County: 75.3 %Lucas County: 76.7 %Madison County: 55.9 %Mahoning County: 83 %Medina County: 59.2 %Miami County: 85.4 %Monroe County: 88.3 %Montgomery County: 70.4 %Noble County: 70.3 %Ottawa County: 100 %Pickaway County: 100 %Portage County: 64.8 %Preble County: 66.8 %Richland County: 95.7 %Sandusky County: 87.4 %Scioto County: 91.6 %Seneca County: 90.7 %Stark County: 75.3 %Summit County: 78.6 %Trumbull County: 69.2 %Tuscarawas County: 71.6 %Warren County: 54.1 %Washington County: 52.1 %Wyandot County: 94.3 %
  • Under 58
  • 58 to 68
  • 68 to 72
  • 72 to 80
  • 80 to 95
  • 95 and over
  • No data
Share of days with good air quality (US EPA AQI), 1994, %. 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, 1991 to 1994) [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, 1991 to 1994. 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-ohio. 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, 1991 to 1994. 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-ohio.

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, 1991 to 1994 [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-ohio (Accessed: 12 October 2026).

BibTeX
@misc{environmental_share_of_days_with_1994,
  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, 1991 to 1994}},
  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-ohio. 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, 1991 to 1994
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-ohio
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/good-air-quality-days-share/jackson-county-ohio.
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 1994, according to EPA. That is up 1.7 pts from 1993.

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 1994, the highest value since 1991 in this series.

Related statistics for Jackson County

All statistics for Jackson County | Jackson County in figures