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

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

Highest daily Air Quality Index (US EPA) in Tuscarawas County was 156 in 1994, according to the U.S. Environmental Protection Agency. That is down 8 from 1993.

1994, index156
Change on 1993-8
Series high1641993
Series low391992

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 Tuscarawas County, 1992 to 1994

2550751001251501751992199319941992: 39 index1993: 164 index1994: 156 index0501001502001992199319941992: 39 index1993: 164 index1994: 156 index
index. Source: EPA, EPA AirData annual AQI by county: highest daily AQI. Retrieved 2026-10-12, published 2026-07-13.
All 3 values
Periodindex
1994156
1993164
199239

Tuscarawas County compared with nearby places

Adams County: 39 indexAllen County: 177 indexAshtabula County: 154 indexAthens County: 52 indexBelmont County: 62 indexButler County: 206 indexClark County: 207 indexClermont County: 177 indexClinton County: 200 indexColumbiana County: 149 indexCrawford County: 174 indexCuyahoga County: 195 indexFayette County: 185 indexFranklin County: 174 indexGreene County: 54 indexHamilton County: 192 indexHancock County: 45 indexJackson County: 46 indexJefferson County: 233 indexKnox County: 174 indexLake County: 192 indexLawrence County: 204 indexLicking County: 169 indexLogan County: 197 indexLorain County: 169 indexLucas County: 219 indexMadison County: 195 indexMahoning County: 143 indexMedina County: 203 indexMiami County: 154 indexMonroe County: 86 indexMontgomery County: 200 indexNoble County: 161 indexOttawa County: 48 indexPickaway County: 43 indexPortage County: 161 indexPreble County: 174 indexRichland County: 58 indexSandusky County: 68 indexScioto County: 73 indexSeneca County: 82 indexStark County: 166 indexSummit County: 154 indexTrumbull County: 172 indexTuscarawas County: 156 indexWarren County: 201 indexWashington County: 200 indexWyandot County: 69 index
  • Under 61
  • 61 to 150
  • 150 to 170
  • 170 to 180
  • 180 to 200
  • 200 and over
  • No data
Highest daily Air Quality Index (US EPA), 1994, index. Tuscarawas 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), Tuscarawas County, 1992 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: highest daily AQI, Highest daily Air Quality Index (US EPA), Tuscarawas County, 1992 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/highest-daily-air-quality-index/tuscarawas-county-ohio. 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), Tuscarawas County, 1992 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/highest-daily-air-quality-index/tuscarawas-county-ohio.

Harvard

U.S. Environmental Protection Agency (2026) EPA AirData annual AQI by county: highest daily AQI, Highest daily Air Quality Index (US EPA), Tuscarawas County, 1992 to 1994 [Dataset]. Available at: https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual, via Invokely: https://invokely.ai/en/highest-daily-air-quality-index/tuscarawas-county-ohio (Accessed: 12 October 2026).

BibTeX
@misc{environmental_highest_daily_air_quality_1994,
  author = {{U.S. Environmental Protection Agency}},
  title = {{EPA AirData annual AQI by county: highest daily AQI: Highest daily Air Quality Index (US EPA), Tuscarawas County, 1992 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/highest-daily-air-quality-index/tuscarawas-county-ohio. 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), Tuscarawas County, 1992 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/highest-daily-air-quality-index/tuscarawas-county-ohio
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/highest-daily-air-quality-index/tuscarawas-county-ohio.
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 Tuscarawas County?

Highest daily Air Quality Index (US EPA) in Tuscarawas County was 156 in 1994, according to the U.S. Environmental Protection Agency. That is down 8 from 1993.

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 Tuscarawas County?

164 in 1993, the highest value since 1992 in this series.

Related statistics for Tuscarawas County

All statistics for Tuscarawas County | Tuscarawas County in figures