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

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

Highest daily Air Quality Index (US EPA) in Wayne County was 44 in 2002, according to the U.S. Environmental Protection Agency. That is up 1 from 2001.

2002, index44
Change on 2001+1
Series high771993
Series low421990

Next release: Tuesday, 13 July 2027, estimated by Invokely from past publication dates (low confidence), not announced by the publisher. Release calendar

Get an email when a new figure is out or this one is revised.
Keep it in a collection in your library.

Highest daily Air Quality Index (US EPA) in Wayne County, 1984 to 2002

40506070801984198619901992200020021984: 66 index1985: 65 index1986: 64 index1987: 66 index1990: 42 index1991: 57 index1992: 53 index1993: 77 index2000: 50 index2001: 43 index2002: 44 index40506070801984199020021984: 66 index1985: 65 index1986: 64 index1987: 66 index1990: 42 index1991: 57 index1992: 53 index1993: 77 index2000: 50 index2001: 43 index2002: 44 index
index. Source: EPA, EPA AirData annual AQI by county: highest daily AQI. Retrieved 2026-10-12, published 2026-07-13.
All 11 values
Periodindex
200244
200143
200050
199377
199253
199157
199042
198766
198664
198565
198466

Wayne County compared with nearby places

Allen County: 187 indexBoone County: 210 indexCarroll County: 197 indexClark County: 195 indexDaviess County: 51 indexDeKalb County: 78 indexDelaware County: 182 indexDubois County: 126 indexElkhart County: 206 indexFloyd County: 207 indexGibson County: 143 indexGreene County: 179 indexHamilton County: 203 indexHancock County: 202 indexHendricks County: 209 indexHenry County: 124 indexHoward County: 111 indexHuntington County: 161 indexJackson County: 172 indexJasper County: 47 indexJohnson County: 206 indexKnox County: 174 indexLake County: 206 indexLaPorte County: 212 indexMadison County: 204 indexMarion County: 227 indexMorgan County: 190 indexPerry County: 88 indexPorter County: 215 indexPosey County: 201 indexPutnam County: 58 indexSt. Joseph County: 216 indexShelby County: 213 indexSpencer County: 87 indexTippecanoe County: 120 indexVanderburgh County: 200 indexVigo County: 197 indexWabash County: 177 indexWarrick County: 208 indexWashington County: 96 indexWayne County: 44 indexWhitley County: 78 index
  • Under 88
  • 88 to 160
  • 160 to 190
  • 190 to 200
  • 200 to 210
  • 210 and over
  • No data
Highest daily Air Quality Index (US EPA), 2002, index. Wayne 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.

Report a problem with this figure

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), Wayne County, 1984 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), Wayne County, 1984 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/wayne-county-indiana. 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), Wayne County, 1984 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/wayne-county-indiana.

Harvard

U.S. Environmental Protection Agency (2026) EPA AirData annual AQI by county: highest daily AQI, Highest daily Air Quality Index (US EPA), Wayne County, 1984 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/wayne-county-indiana (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), Wayne County, 1984 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/wayne-county-indiana. 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), Wayne County, 1984 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/wayne-county-indiana
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/highest-daily-air-quality-index/wayne-county-indiana.
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  -
Embed this chart

Paste this code into a web page or a blog post. The chart shows the latest figures as they are published, with the source and a link back to this page.

Sites that read oEmbed links, such as WordPress, can show the chart when you paste the link to this page.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

What is the latest highest daily Air Quality Index (US EPA) in Wayne County? Cite the source.
get_value {"indicator":"aqi_max","place":"us-county-18177"}
GET https://invokely.ai/api/v1/value?indicator=aqi_max&place=us-county-18177

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

What is the highest daily Air Quality Index (US EPA) in Wayne County?

Highest daily Air Quality Index (US EPA) in Wayne County was 44 in 2002, according to the U.S. Environmental Protection Agency. That is up 1 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 Wayne County?

77 in 1993, the highest value since 1984 in this series.

Related statistics for Wayne County

All statistics for Wayne County | Wayne County in figures