Data / Median Air Quality Index (US EPA) / New York County

Median Air Quality Index (US EPA) in New York County

Median Air Quality Index (US EPA) in New York County was 50 in 2025, according to the U.S. Environmental Protection Agency. That is up 7 from 2024.

2025, index50
Change on 2024+7
Series high911985
Series low402020

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 New York County, 1980 to 2025

40608010019801987199420012008201520251980: 84 index1981: 80 index1982: 74 index1983: 77 index1984: 79 index1985: 91 index1986: 85 index1987: 86 index1988: 70 index1989: 72 index1990: 67 index1991: 69 index1992: 56 index1993: 55 index1994: 57 index1995: 52 index1996: 51 index1997: 50 index1998: 50 index1999: 55 index2000: 62 index2001: 63 index2002: 51 index2003: 49 index2004: 43 index2005: 52 index2006: 51 index2007: 61 index2008: 60 index2009: 57 index2010: 57 index2011: 59 index2012: 54 index2013: 54 index2014: 52 index2015: 54 index2016: 52 index2017: 50 index2018: 51 index2019: 46 index2020: 40 index2021: 43 index2022: 43 index2023: 48 index2024: 43 index2025: 50 index40608010019801996201220251980: 84 index1981: 80 index1982: 74 index1983: 77 index1984: 79 index1985: 91 index1986: 85 index1987: 86 index1988: 70 index1989: 72 index1990: 67 index1991: 69 index1992: 56 index1993: 55 index1994: 57 index1995: 52 index1996: 51 index1997: 50 index1998: 50 index1999: 55 index2000: 62 index2001: 63 index2002: 51 index2003: 49 index2004: 43 index2005: 52 index2006: 51 index2007: 61 index2008: 60 index2009: 57 index2010: 57 index2011: 59 index2012: 54 index2013: 54 index2014: 52 index2015: 54 index2016: 52 index2017: 50 index2018: 51 index2019: 46 index2020: 40 index2021: 43 index2022: 43 index2023: 48 index2024: 43 index2025: 50 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
202550
202443
202348
202243
202143
202040
201946
201851
201750
201652
201554
201452
201354
201254
201159
201057
200957
200860
200761
200651
200552
200443
200349
200251
200163
200062
199955
199850
199750
199651
199552
199457
199355
199256
199169
199067
198972
198870
198786
198685
198591
198479
198377
198274
198180
198084

New York County compared with nearby places

Albany County: 39 indexBronx County: 45 indexChautauqua County: 36 indexDutchess County: 34 indexErie County: 44 indexEssex County: 41 indexHamilton County: 34 indexJefferson County: 34 indexKings County: 39 indexMonroe County: 39 indexNassau County: 29 indexNew York County: 50 indexNiagara County: 34 indexOneida County: 27 indexOnondaga County: 36 indexOrange County: 27 indexOswego County: 34 indexPutnam County: 33 indexQueens County: 44 indexRichmond County: 41 indexRockland County: 37 indexSaratoga County: 34 indexSteuben County: 38 indexSuffolk County: 41 indexTompkins County: 35 indexWayne County: 33 indexWestchester County: 38 index
  • Under 34
  • 34 to 38
  • 38 to 41
  • 41 and over
  • No data
Median Air Quality Index (US EPA), 2025, index. New York 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), New York 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), New York 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/new-york-county-new-york. 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), New York 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/new-york-county-new-york.

Harvard

U.S. Environmental Protection Agency (2026) EPA AirData annual AQI by county: median daily AQI, Median Air Quality Index (US EPA), New York 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/new-york-county-new-york (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), New York 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/new-york-county-new-york. 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), New York 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/new-york-county-new-york
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/median-air-quality-index/new-york-county-new-york.
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 New York County?

Median Air Quality Index (US EPA) in New York County was 50 in 2025, according to the U.S. Environmental Protection Agency. That is up 7 from 2024.

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 New York County?

91 in 1985, the highest value since 1980 in this series.

Related statistics for New York County

All statistics for New York County | New York County in figures