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

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

Highest daily Air Quality Index (US EPA) in Chippewa County was 75 in 2013, according to the U.S. Environmental Protection Agency. That is up 35 from 2012. That is the 28th highest of 32 counties in 2013.

2013, index75
Change on 2012+35
Rank28th of 32Counties in Wisconsin ranked
Series high1721980
Series low212010

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Highest daily Air Quality Index (US EPA) in Chippewa County, 1980 to 2013

0501001502001980199020102011201220131980: 172 index1990: 48 index2010: 21 index2011: 30 index2012: 40 index2013: 75 index0501001502001980201020131980: 172 index1990: 48 index2010: 21 index2011: 30 index2012: 40 index2013: 75 index
index. Source: EPA, EPA AirData annual AQI by county: highest daily AQI. Retrieved 2026-10-12, published 2026-07-13.
All 6 values
Periodindex
201375
201240
201130
201021
199048
1980172

Chippewa County compared with nearby places

Ashland County: 80 indexBarron County: 65 indexBrown County: 108 indexChippewa County: 75 indexColumbia County: 101 indexDane County: 93 indexDodge County: 214 indexDoor County: 126 indexEau Claire County: 84 indexFond du Lac County: 90 indexForest County: 84 indexGrant County: 79 indexJackson County: 8 indexJefferson County: 112 indexKenosha County: 133 indexKewaunee County: 119 indexLa Crosse County: 86 indexManitowoc County: 126 indexMarathon County: 84 indexMilwaukee County: 101 indexMonroe County: 44 indexOutagamie County: 105 indexOzaukee County: 112 indexRacine County: 93 indexRock County: 105 indexSauk County: 90 indexSheboygan County: 140 indexTaylor County: 80 indexTrempealeau County: 37 indexVilas County: 80 indexWalworth County: 115 indexWaukesha County: 84 index
  • Under 79
  • 79 to 84
  • 84 to 92
  • 92 to 110
  • 110 to 120
  • 120 and over
  • No data
Highest daily Air Quality Index (US EPA), 2013, index. Chippewa 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), Chippewa County, 1980 to 2013) [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), Chippewa County, 1980 to 2013. 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/chippewa-county-wisconsin. 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), Chippewa County, 1980 to 2013. 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/chippewa-county-wisconsin.

Harvard

U.S. Environmental Protection Agency (2026) EPA AirData annual AQI by county: highest daily AQI, Highest daily Air Quality Index (US EPA), Chippewa County, 1980 to 2013 [Dataset]. Available at: https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual, via Invokely: https://invokely.ai/en/highest-daily-air-quality-index/chippewa-county-wisconsin (Accessed: 12 October 2026).

BibTeX
@misc{environmental_highest_daily_air_quality_2013,
  author = {{U.S. Environmental Protection Agency}},
  title = {{EPA AirData annual AQI by county: highest daily AQI: Highest daily Air Quality Index (US EPA), Chippewa County, 1980 to 2013}},
  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/chippewa-county-wisconsin. 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), Chippewa County, 1980 to 2013
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/chippewa-county-wisconsin
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/highest-daily-air-quality-index/chippewa-county-wisconsin.
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 Chippewa County?

Highest daily Air Quality Index (US EPA) in Chippewa County was 75 in 2013, according to the U.S. Environmental Protection Agency. That is up 35 from 2012. That is the 28th highest of 32 counties in 2013.

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 Chippewa County?

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

Related statistics for Chippewa County

All statistics for Chippewa County | Chippewa County in figures