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

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

Highest daily Air Quality Index (US EPA) in Waupaca County was 93 in 2006, according to the U.S. Environmental Protection Agency. That is down 11 from 2005.

2006, index93
Change on 2005-11
Series high1042005
Series low932004

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 Waupaca County, 2004 to 2006

92.59597.51001031052004200520062004: 93 index2005: 104 index2006: 93 index90951001052004200520062004: 93 index2005: 104 index2006: 93 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
200693
2005104
200493

Waupaca County compared with nearby places

Ashland County: 87 indexBrown County: 152 indexColumbia County: 105 indexDane County: 146 indexDodge County: 138 indexDoor County: 195 indexFlorence County: 101 indexFond du Lac County: 101 indexForest County: 97 indexGrant County: 115 indexJefferson County: 112 indexKenosha County: 164 indexKewaunee County: 174 indexLa Crosse County: 117 indexManitowoc County: 197 indexMarathon County: 105 indexMilwaukee County: 150 indexOneida County: 87 indexOutagamie County: 121 indexOzaukee County: 169 indexRacine County: 133 indexRock County: 112 indexSt. Croix County: 119 indexSauk County: 114 indexSheboygan County: 204 indexTaylor County: 126 indexVernon County: 108 indexVilas County: 97 indexWalworth County: 129 indexWashington County: 97 indexWaukesha County: 129 indexWaupaca County: 93 index
  • Under 98
  • 98 to 110
  • 110 to 120
  • 120 to 130
  • 130 to 160
  • 160 and over
  • No data
Highest daily Air Quality Index (US EPA), 2006, index. Waupaca 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), Waupaca County, 2004 to 2006) [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), Waupaca County, 2004 to 2006. 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/waupaca-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), Waupaca County, 2004 to 2006. 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/waupaca-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), Waupaca County, 2004 to 2006 [Dataset]. Available at: https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual, via Invokely: https://invokely.ai/en/highest-daily-air-quality-index/waupaca-county-wisconsin (Accessed: 12 October 2026).

BibTeX
@misc{environmental_highest_daily_air_quality_2006,
  author = {{U.S. Environmental Protection Agency}},
  title = {{EPA AirData annual AQI by county: highest daily AQI: Highest daily Air Quality Index (US EPA), Waupaca County, 2004 to 2006}},
  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/waupaca-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), Waupaca County, 2004 to 2006
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/waupaca-county-wisconsin
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/highest-daily-air-quality-index/waupaca-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 Waupaca County?

Highest daily Air Quality Index (US EPA) in Waupaca County was 93 in 2006, according to the U.S. Environmental Protection Agency. That is down 11 from 2005.

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 Waupaca County?

104 in 2005, the highest value since 2004 in this series.

Related statistics for Waupaca County

All statistics for Waupaca County | Waupaca County in figures