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

Highest daily Air Quality Index (US EPA) in Bay County was 92 in 2025, according to the U.S. Environmental Protection Agency. That is down 123 from 2024. That is the 19th highest of 38 counties in 2025.

2025, index92
Change on 2024-123
Series high2152024
Series low471992

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 Bay County, 1992 to 2025

05010015020025019921997200220072012201720251992: 47 index1993: 52 index1994: 51 index1995: 64 index1996: 52 index1997: 54 index1998: 60 index1999: 63 index2000: 208 index2001: 166 index2002: 115 index2003: 185 index2004: 166 index2005: 147 index2006: 147 index2007: 136 index2008: 150 index2009: 143 index2010: 140 index2011: 105 index2012: 100 index2013: 144 index2014: 100 index2015: 84 index2016: 87 index2017: 97 index2018: 126 index2019: 87 index2020: 146 index2021: 78 index2022: 99 index2023: 95 index2024: 215 index2025: 92 index05010015020025019922004201620251992: 47 index1993: 52 index1994: 51 index1995: 64 index1996: 52 index1997: 54 index1998: 60 index1999: 63 index2000: 208 index2001: 166 index2002: 115 index2003: 185 index2004: 166 index2005: 147 index2006: 147 index2007: 136 index2008: 150 index2009: 143 index2010: 140 index2011: 105 index2012: 100 index2013: 144 index2014: 100 index2015: 84 index2016: 87 index2017: 97 index2018: 126 index2019: 87 index2020: 146 index2021: 78 index2022: 99 index2023: 95 index2024: 215 index2025: 92 index
index. Source: EPA, EPA AirData annual AQI by county: highest daily AQI. Retrieved 2026-10-12, published 2026-07-13.
All 34 values
Periodindex
202592
2024215
202395
202299
202178
2020146
201987
2018126
201797
201687
201584
2014100
2013144
2012100
2011105
2010140
2009143
2008150
2007136
2006147
2005147
2004166
2003185
2002115
2001166
2000208
199963
199860
199754
199652
199564
199451
199352
199247

Bay County compared with nearby places

Alachua County: 69 indexBaker County: 155 indexBay County: 92 indexBrevard County: 80 indexBroward County: 93 indexCitrus County: 125 indexCollier County: 71 indexColumbia County: 80 indexDuval County: 136 indexEscambia County: 104 indexFlagler County: 77 indexHamilton County: 72 indexHighlands County: 80 indexHillsborough County: 122 indexHolmes County: 79 indexIndian River County: 87 indexLake County: 112 indexLee County: 97 indexLeon County: 140 indexLiberty County: 77 indexManatee County: 97 indexMarion County: 101 indexMartin County: 74 indexMiami-Dade County: 113 indexOkaloosa County: 84 indexOrange County: 105 indexOsceola County: 105 indexPalm Beach County: 87 indexPasco County: 115 indexPinellas County: 129 indexPolk County: 100 indexPutnam County: 69 indexSt. Lucie County: 67 indexSanta Rosa County: 80 indexSarasota County: 84 indexSeminole County: 97 indexVolusia County: 90 indexWakulla County: 80 index
  • Under 77
  • 77 to 80
  • 80 to 91
  • 91 to 100
  • 100 to 110
  • 110 and over
  • No data
Highest daily Air Quality Index (US EPA), 2025, index. Bay 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), Bay County, 1992 to 2025) [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), Bay County, 1992 to 2025. 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/bay-county-florida. 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), Bay County, 1992 to 2025. 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/bay-county-florida.

Harvard

U.S. Environmental Protection Agency (2026) EPA AirData annual AQI by county: highest daily AQI, Highest daily Air Quality Index (US EPA), Bay County, 1992 to 2025 [Dataset]. Available at: https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual, via Invokely: https://invokely.ai/en/highest-daily-air-quality-index/bay-county-florida (Accessed: 12 October 2026).

BibTeX
@misc{environmental_highest_daily_air_quality_2025,
  author = {{U.S. Environmental Protection Agency}},
  title = {{EPA AirData annual AQI by county: highest daily AQI: Highest daily Air Quality Index (US EPA), Bay County, 1992 to 2025}},
  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/bay-county-florida. 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), Bay County, 1992 to 2025
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/bay-county-florida
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/highest-daily-air-quality-index/bay-county-florida.
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 Bay County?

Highest daily Air Quality Index (US EPA) in Bay County was 92 in 2025, according to the U.S. Environmental Protection Agency. That is down 123 from 2024. That is the 19th highest of 38 counties in 2025.

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 Bay County?

215 in 2024, the highest value since 1992 in this series.

Related statistics for Bay County

All statistics for Bay County | Bay County in figures