Metro area air quality · 2025

Eagle Pass, TX

Median AQI 41 (Good). 59.9% of monitored days rated Good across this metro's EPA monitoring network.

41
Median AQI
59.9%
Good-air days
0
Unhealthy days
24%
Cleaner than US metros

Aggregated from EPA Air Quality System (2025), 237 monitored days. EPA AQS →

The verdict

The Eagle Pass, TX metro runs good on the EPA scale, among the more polluted US metros, a median AQI of 41 with 59.9% of 237 monitored days in the Good band.

41
median AQI · Good
59.9%
days rated Good
24%
cleaner than US metros
90
worst single reading

No day crossed into the Unhealthy tier across the metro's monitors in 2025.

Insights: Eagle Pass, TX metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 41 over 237 measured days in 2025, which corresponds to a Good band and a Moderate metro-wide health grade. The monitored-day split lands at 142 Good days (60%), 95 Moderate (40%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 66 while the highest single-day reading hit 90 (Moderate). Metro residents averaged roughly 18.0 clean-air days per 30-day window across the reporting year.

Across the 2020–2025 trend window, good days shifted by -112 and the median AQI moved +5 points, which classifies the multi-year trajectory as worsening. The metro avoided any Unhealthy-tier days entirely, an outcome that typically reflects favorable wind patterns, lower industrial density, or effective regional emission controls. Metros with comparable AQI profiles include Adrian, MI (77.3% good, AQI 41); Altoona, PA (71.9% good, AQI 41); Ann Arbor, MI (76.0% good, AQI 41).

Air Quality Summary

Median AQI

41

Good

Good Days

59.9%

142 of 237 days

Max AQI

90

Moderate

Health Grade

Moderate

90th pct: 66

AQI Day Breakdown (2025)

Distribution of 237 monitored days across EPA AQI categories.

Good

142

60%

Moderate

95

40%

USG

0

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Moderate

The Eagle Pass, TX metro area's air quality is rated Moderate based on 59.9% good air days. No unhealthy air days were recorded in 2025.

Air quality is generally acceptable. Unusually sensitive people should monitor real-time conditions at AirNow.gov during high-pollution events.

How does the Eagle Pass, TX metro compare?

How Eagle Pass, TX compares

Good-day share worse than US avg
Eagle Pass, TX 59.9%
Adrian, MI 77.3%
US average 71.3%
Median AQI about average
Eagle Pass, TX 41
Adrian, MI 41
US average 41
Unhealthy days / yr better than US avg
Eagle Pass, TX 0
Adrian, MI 0
US average 1

5-Year Air Quality Trend

Air quality is worsening in the Eagle Pass, TX metro. Best year: 2022 (256 good days).

Year Good Moderate Unhealthy Median AQI
2020 254 92 1 36
2021 239 114 0 37
2022 256 92 0 36
2023 239 90 0 34
2024 233 108 0 37
2025 142 95 0 41

Metros with Similar Air Quality

Metro areas across the US with a similar median AQI to Eagle Pass, TX.

Adrian, MI

AQI 41 · 77.3% good

41

Altoona, PA

AQI 41 · 71.9% good

41

Ann Arbor, MI

AQI 41 · 76.0% good

41

Bowling Green, KY

AQI 41 · 81.2% good

41

Charlottesville, VA

AQI 41 · 77.9% good

41

Clarksville, TN-KY

AQI 41 · 76.8% good

41

More Air Quality Data

Explore EPA air quality rankings and guides across U.S. metros and counties.

Cleanest Metro Areas

U.S. metros ranked by their share of Good air-quality days.

Worst Air Quality

Counties and metros with the most unhealthy air days.

All Metro Areas

Annual AQI by CBSA for every monitored U.S. metro area.

Best and Worst City Air

What drives urban air quality and how metro areas compare.

Air Quality Guides

Frequently Asked Questions

What is the air quality in the Eagle Pass, TX metro area? ▼
The Eagle Pass, TX metro area has a median Air Quality Index (AQI) of 41, rated "Good." 59.9% of monitored days (142 out of 237) had good air quality in 2025.
How many unhealthy air days does Eagle Pass, TX have? ▼
In 2025, the Eagle Pass, TX metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 90.
Is air quality in Eagle Pass, TX getting better or worse? ▼
Air quality in the Eagle Pass, TX metro is worsening based on 5-year trends (2020-2025). Best year: 2022 with 256 good days. Worst year: 2025 with 142 good days.
What does AQI 41 mean for health? ▼
An AQI of 41 is "Good", air quality is satisfactory and poses little or no health risk. This is the best category on the EPA's AQI scale.
What is the 90th percentile AQI for Eagle Pass, TX? ▼
The 90th percentile AQI for the Eagle Pass, TX metro area is 66, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 90 (Moderate).
How does Eagle Pass, TX compare to other metro areas? ▼
The Eagle Pass, TX metro has 59.9% good air days. Similar metros: Adrian, MI (77.3% good), Altoona, PA (71.9% good), Ann Arbor, MI (76.0% good).

Data Sources

Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset, 2020–2025. See our methodology for how AQI, median, and coverage figures are computed.

Read our methodology , how this data is sourced, computed, and verified.

Source: U.S. EPA Air Quality System (AQS) Annual AQI by CBSA summary files (metro-level) · 2020–2025

Every figure on PlainAir is rendered directly from EPA AQS air-quality monitoring data, no number is typed in by an editor. This page draws directly on EPA AQS air-quality monitoring data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.