Data / Share of days with good air quality (US EPA AQI) / Lea County

Share of days with good air quality (US EPA AQI) in Lea County

Share of days with good air quality (US EPA AQI) in Lea County was 68.8% in 2025, according to EPA. That is down 1.3 pts from 2024.

202568.8%
Change on 2024-1.3 pts
Series high1001989
Series low50.42017

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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Share of days with good air quality (US EPA AQI) in Lea County, 1989 to 2025

506070809010019891995200120072013201920251989: 100 %1990: 100 %1991: 98.3 %1992: 100 %1993: 100 %1994: 100 %1995: 98.4 %1996: 100 %1997: 98.3 %1998: 98.3 %1999: 74.4 %2000: 80.9 %2001: 82.6 %2002: 84.7 %2003: 75.4 %2004: 83.4 %2005: 69.3 %2006: 68.4 %2007: 72.9 %2008: 70.4 %2009: 84.1 %2010: 89.3 %2011: 62.5 %2012: 77.1 %2013: 69.6 %2014: 69.4 %2015: 77 %2016: 83.8 %2017: 50.4 %2018: 52.9 %2019: 57.5 %2020: 84.7 %2021: 70.4 %2022: 64.9 %2023: 64.6 %2024: 70.1 %2025: 68.8 %40608010019892002201520251989: 100 %1990: 100 %1991: 98.3 %1992: 100 %1993: 100 %1994: 100 %1995: 98.4 %1996: 100 %1997: 98.3 %1998: 98.3 %1999: 74.4 %2000: 80.9 %2001: 82.6 %2002: 84.7 %2003: 75.4 %2004: 83.4 %2005: 69.3 %2006: 68.4 %2007: 72.9 %2008: 70.4 %2009: 84.1 %2010: 89.3 %2011: 62.5 %2012: 77.1 %2013: 69.6 %2014: 69.4 %2015: 77 %2016: 83.8 %2017: 50.4 %2018: 52.9 %2019: 57.5 %2020: 84.7 %2021: 70.4 %2022: 64.9 %2023: 64.6 %2024: 70.1 %2025: 68.8 %
%. Source: Invokely calculation with data from EPA. Retrieved 2026-10-12, published 2026-07-13.
All 37 values
Period%
202568.8
202470.1
202364.6
202264.9
202170.4
202084.7
201957.5
201852.9
201750.4
201683.8
201577
201469.4
201369.6
201277.1
201162.5
201089.3
200984.1
200870.4
200772.9
200668.4
200569.3
200483.4
200375.4
200284.7
200182.6
200080.9
199974.4
199898.3
199798.3
1996100
199598.4
1994100
1993100
1992100
199198.3
1990100
1989100

Lea County compared with nearby places

Bernalillo County: 26.6 %Catron County: 71.7 %Chaves County: 91.9 %Doña Ana County: 27.4 %Eddy County: 53.7 %Lea County: 68.8 %Lincoln County: 68.3 %Los Alamos County: 100 %Luna County: 84.7 %Rio Arriba County: 85.2 %Sandoval County: 73.5 %San Juan County: 67.9 %Santa Fe County: 78.4 %Socorro County: 98 %Taos County: 98.9 %Valencia County: 75.3 %
  • Under 68
  • 68 to 72
  • 72 to 78
  • 78 to 92
  • 92 and over
  • No data
Share of days with good air quality (US EPA AQI), 2025, %. Lea 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

Days with a daily Air Quality Index of 0 to 50 (good) as a percentage of the days of the year with an AQI in a US county. Calculated by Invokely from the day counts in the EPA AirData annual summaries; both counts are stored with each value.

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: good days as a share of days with an AQI, calculated with stored counts. 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: good days as a share of days with an AQI, calculated with stored counts (Share of days with good air quality (US EPA AQI), Lea County, 1989 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: good days as a share of days with an AQI, calculated with stored counts, Share of days with good air quality (US EPA AQI), Lea County, 1989 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/good-air-quality-days-share/lea-county-new-mexico. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Environmental Protection Agency. 2026. EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts. Share of days with good air quality (US EPA AQI), Lea County, 1989 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/good-air-quality-days-share/lea-county-new-mexico.

Harvard

U.S. Environmental Protection Agency (2026) EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts, Share of days with good air quality (US EPA AQI), Lea County, 1989 to 2025 [Dataset]. Available at: https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual, via Invokely: https://invokely.ai/en/good-air-quality-days-share/lea-county-new-mexico (Accessed: 12 October 2026).

BibTeX
@misc{environmental_share_of_days_with_2025,
  author = {{U.S. Environmental Protection Agency}},
  title = {{EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts: Share of days with good air quality (US EPA AQI), Lea County, 1989 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/good-air-quality-days-share/lea-county-new-mexico. Publisher attribution: U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts. 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: good days as a share of days with an AQI, calculated with stored counts: Share of days with good air quality (US EPA AQI), Lea County, 1989 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/good-air-quality-days-share/lea-county-new-mexico
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/good-air-quality-days-share/lea-county-new-mexico.
N1  - Publisher attribution: U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts. https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Retrieved 2026-10-12.
ER  -
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Questions

What is the share of days with good air quality (US EPA AQI) in Lea County?

Share of days with good air quality (US EPA AQI) in Lea County was 68.8% in 2025, according to EPA. That is down 1.3 pts from 2024.

Where does this figure come from?

U.S. Environmental Protection Agency. EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts. Retrieved by Invokely on 2026-10-12.

What was the highest share of days with good air quality (US EPA AQI) in Lea County?

100% in 1989, the highest value since 1989 in this series.

Related statistics for Lea County

All statistics for Lea County | Lea County in figures