Data / Median Air Quality Index (US EPA) / Pinellas County

Median Air Quality Index (US EPA) in Pinellas County

Median Air Quality Index (US EPA) in Pinellas County was 44 in 2025, according to the U.S. Environmental Protection Agency. That is down 4 from 2024. That is the 10th highest of 38 counties in 2025.

2025, index44
Change on 2024-4
Rank10th of 38Counties in Florida ranked
Series high562005
Series low351994

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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Median Air Quality Index (US EPA) in Pinellas County, 1980 to 2025

35404550556019801987199420012008201520251980: 49 index1981: 52 index1982: 47 index1983: 50 index1984: 51 index1985: 49 index1986: 48 index1987: 47 index1988: 44 index1989: 42 index1990: 42 index1991: 38 index1992: 37 index1993: 40 index1994: 35 index1995: 39 index1996: 38 index1997: 40 index1998: 42 index1999: 55 index2000: 55 index2001: 55 index2002: 54 index2003: 54 index2004: 55 index2005: 56 index2006: 54 index2007: 53 index2008: 53 index2009: 51 index2010: 52 index2011: 51 index2012: 50 index2013: 46 index2014: 47 index2015: 43 index2016: 45 index2017: 48 index2018: 46 index2019: 47 index2020: 46 index2021: 47 index2022: 46 index2023: 47 index2024: 48 index2025: 44 index3040506019801996201220251980: 49 index1981: 52 index1982: 47 index1983: 50 index1984: 51 index1985: 49 index1986: 48 index1987: 47 index1988: 44 index1989: 42 index1990: 42 index1991: 38 index1992: 37 index1993: 40 index1994: 35 index1995: 39 index1996: 38 index1997: 40 index1998: 42 index1999: 55 index2000: 55 index2001: 55 index2002: 54 index2003: 54 index2004: 55 index2005: 56 index2006: 54 index2007: 53 index2008: 53 index2009: 51 index2010: 52 index2011: 51 index2012: 50 index2013: 46 index2014: 47 index2015: 43 index2016: 45 index2017: 48 index2018: 46 index2019: 47 index2020: 46 index2021: 47 index2022: 46 index2023: 47 index2024: 48 index2025: 44 index
index. Source: EPA, EPA AirData annual AQI by county: median daily AQI. Retrieved 2026-10-12, published 2026-07-13.
All 46 values
Periodindex
202544
202448
202347
202246
202147
202046
201947
201846
201748
201645
201543
201447
201346
201250
201151
201052
200951
200853
200753
200654
200556
200455
200354
200254
200155
200055
199955
199842
199740
199638
199539
199435
199340
199237
199138
199042
198942
198844
198747
198648
198549
198451
198350
198247
198152
198049

Pinellas County compared with nearby places

Alachua County: 37 indexBaker County: 44 indexBay County: 44 indexBrevard County: 38 indexBroward County: 43 indexCitrus County: 43 indexCollier County: 43 indexColumbia County: 48 indexDuval County: 51 indexEscambia County: 43 indexFlagler County: 34 indexHamilton County: 46 indexHighlands County: 35 indexHillsborough County: 49 indexHolmes County: 46 indexIndian River County: 37 indexLake County: 35 indexLee County: 40 indexLeon County: 48 indexLiberty County: 33 indexManatee County: 36 indexMarion County: 46 indexMartin County: 40 indexMiami-Dade County: 47 indexOkaloosa County: 36 indexOrange County: 43 indexOsceola County: 40 indexPalm Beach County: 39 indexPasco County: 37 indexPinellas County: 44 indexPolk County: 34 indexPutnam County: 21 indexSt. Lucie County: 34 indexSanta Rosa County: 44 indexSarasota County: 46 indexSeminole County: 39 indexVolusia County: 41 indexWakulla County: 41 index
  • Under 35
  • 35 to 38
  • 38 to 41
  • 41 to 44
  • 44 to 46
  • 46 and over
  • No data
Median Air Quality Index (US EPA), 2025, index. Pinellas 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

Median of the daily Air Quality Index (AQI) values of a US county over the days of the year with an AQI, from the EPA AirData annual summaries.

More on how it is measured
  • The daily county AQI is the highest AQI among the monitors and pollutants reported that day (ozone, PM2.5, PM10, carbon monoxide and nitrogen dioxide).
  • Lower is cleaner: 0 to 50 is good, 51 to 100 moderate and above 100 unhealthy for sensitive groups.

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: median 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: median daily AQI (Median Air Quality Index (US EPA), Pinellas County, 1980 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: median daily AQI, Median Air Quality Index (US EPA), Pinellas County, 1980 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/median-air-quality-index/pinellas-county-florida. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Environmental Protection Agency. 2026. EPA AirData annual AQI by county: median daily AQI. Median Air Quality Index (US EPA), Pinellas County, 1980 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/median-air-quality-index/pinellas-county-florida.

Harvard

U.S. Environmental Protection Agency (2026) EPA AirData annual AQI by county: median daily AQI, Median Air Quality Index (US EPA), Pinellas County, 1980 to 2025 [Dataset]. Available at: https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual, via Invokely: https://invokely.ai/en/median-air-quality-index/pinellas-county-florida (Accessed: 12 October 2026).

BibTeX
@misc{environmental_median_air_quality_index_2025,
  author = {{U.S. Environmental Protection Agency}},
  title = {{EPA AirData annual AQI by county: median daily AQI: Median Air Quality Index (US EPA), Pinellas County, 1980 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/median-air-quality-index/pinellas-county-florida. Publisher attribution: U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: median 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: median daily AQI: Median Air Quality Index (US EPA), Pinellas County, 1980 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/median-air-quality-index/pinellas-county-florida
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/median-air-quality-index/pinellas-county-florida.
N1  - Publisher attribution: U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: median 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 median Air Quality Index (US EPA) in Pinellas County?

Median Air Quality Index (US EPA) in Pinellas County was 44 in 2025, according to the U.S. Environmental Protection Agency. That is down 4 from 2024. That is the 10th highest of 38 counties in 2025.

Where does this figure come from?

U.S. Environmental Protection Agency. EPA AirData annual AQI by county: median daily AQI. Retrieved by Invokely on 2026-10-12.

What was the highest median Air Quality Index (US EPA) in Pinellas County?

56 in 2005, the highest value since 1980 in this series.

Related statistics for Pinellas County

All statistics for Pinellas County | Pinellas County in figures