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

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

Highest daily Air Quality Index (US EPA) in Cherokee County was 208 in 2002, according to the U.S. Environmental Protection Agency. That is up 54 from 2001.

2002, index208
Change on 2001+54
Series high2082002
Series low1262000

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 Cherokee County, 1999 to 2002

12014016018020022019992000200120021999: 187 index2000: 126 index2001: 154 index2002: 208 index125150175200225199920021999: 187 index2000: 126 index2001: 154 index2002: 208 index
index. Source: EPA, EPA AirData annual AQI by county: highest daily AQI. Retrieved 2026-10-12, published 2026-07-13.
All 4 values
Periodindex
2002208
2001154
2000126
1999187

Cherokee County compared with nearby places

Bibb County: 195 indexCharlton County: 101 indexChatham County: 151 indexChattooga County: 38 indexCherokee County: 208 indexClarke County: 219 indexClayton County: 104 indexCobb County: 207 indexCoffee County: 87 indexCoweta County: 201 indexDawson County: 169 indexDeKalb County: 216 indexDougherty County: 104 indexDouglas County: 204 indexFayette County: 197 indexFloyd County: 103 indexFulton County: 213 indexGlynn County: 143 indexGwinnett County: 195 indexHall County: 92 indexHenry County: 223 indexHouston County: 102 indexLowndes County: 96 indexMurray County: 177 indexMuscogee County: 182 indexPaulding County: 202 indexPike County: 197 indexRichmond County: 187 indexRockdale County: 215 indexSpalding County: 48 indexSumter County: 156 indexWalker County: 94 indexWashington County: 102 indexWilkinson County: 117 index
  • Under 99
  • 99 to 100
  • 100 to 170
  • 170 to 200
  • 200 to 210
  • 210 and over
  • No data
Highest daily Air Quality Index (US EPA), 2002, index. Cherokee 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), Cherokee County, 1999 to 2002) [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), Cherokee County, 1999 to 2002. 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/cherokee-county-georgia. 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), Cherokee County, 1999 to 2002. 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/cherokee-county-georgia.

Harvard

U.S. Environmental Protection Agency (2026) EPA AirData annual AQI by county: highest daily AQI, Highest daily Air Quality Index (US EPA), Cherokee County, 1999 to 2002 [Dataset]. Available at: https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual, via Invokely: https://invokely.ai/en/highest-daily-air-quality-index/cherokee-county-georgia (Accessed: 12 October 2026).

BibTeX
@misc{environmental_highest_daily_air_quality_2002,
  author = {{U.S. Environmental Protection Agency}},
  title = {{EPA AirData annual AQI by county: highest daily AQI: Highest daily Air Quality Index (US EPA), Cherokee County, 1999 to 2002}},
  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/cherokee-county-georgia. 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), Cherokee County, 1999 to 2002
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/cherokee-county-georgia
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/highest-daily-air-quality-index/cherokee-county-georgia.
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 Cherokee County?

Highest daily Air Quality Index (US EPA) in Cherokee County was 208 in 2002, according to the U.S. Environmental Protection Agency. That is up 54 from 2001.

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 Cherokee County?

208 in 2002, the highest value since 1999 in this series.

Related statistics for Cherokee County

All statistics for Cherokee County | Cherokee County in figures