Metro area air quality · 2025

Beaumont-Port Arthur, TX

Median AQI 53 (Moderate). 35.4% of monitored days rated Good across this metro's EPA monitoring network.

53
Median AQI
35.4%
Good-air days
0
Unhealthy days
4%
Cleaner than US metros

Aggregated from EPA Air Quality System (2025), 243 monitored days. EPA AQS →

The verdict

The Beaumont-Port Arthur, TX metro runs moderate on the EPA scale, among the more polluted US metros, a median AQI of 53 with 35.4% of 243 monitored days in the Good band.

53
median AQI · Moderate
35.4%
days rated Good
4%
cleaner than US metros
93
worst single reading

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

Insights: Beaumont-Port Arthur, TX metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 53 over 243 measured days in 2025, which corresponds to a Moderate band and a Poor metro-wide health grade. The monitored-day split lands at 86 Good days (35%), 157 Moderate (65%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 64 while the highest single-day reading hit 93 (Moderate). Metro residents averaged roughly 10.6 clean-air days per 30-day window across the reporting year.

Across the 2020–2025 trend window, good days shifted by -110 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 Austin-Round Rock, TX (41.0% good, AQI 53); Detroit-Warren-Dearborn, MI (45.1% good, AQI 53); Hanford-Corcoran, CA (39.8% good, AQI 53).

Air Quality Summary

Median AQI

53

Moderate

Good Days

35.4%

86 of 243 days

Max AQI

93

Moderate

Health Grade

Poor

90th pct: 64

AQI Day Breakdown (2025)

Distribution of 243 monitored days across EPA AQI categories.

Good

86

35%

Moderate

157

65%

USG

0

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Poor

The Beaumont-Port Arthur, TX metro area's air quality is rated Poor based on 35.4% 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 Beaumont-Port Arthur, TX metro compare?

How Beaumont-Port Arthur, TX compares

Good-day share worse than US avg
Beaumont-Port Arthur, TX 35.4%
Austin-Round Rock, TX 41.0%
US average 71.3%
Median AQI worse than US avg
Beaumont-Port Arthur, TX 53
Austin-Round Rock, TX 53
US average 41
Unhealthy days / yr better than US avg
Beaumont-Port Arthur, TX 0
Austin-Round Rock, TX 0
US average 1

5-Year Air Quality Trend

Air quality is worsening in the Beaumont-Port Arthur, TX metro. Best year: 2021 (221 good days).

Year Good Moderate Unhealthy Median AQI
2020 196 165 0 48
2021 221 141 0 45
2022 189 171 0 50
2023 132 223 1 54
2024 126 232 0 54
2025 86 157 0 53

Metros with Similar Air Quality

Metro areas across the US with a similar median AQI to Beaumont-Port Arthur, TX.

Austin-Round Rock, TX

AQI 53 · 41.0% good

53

Detroit-Warren-Dearborn, MI

AQI 53 · 45.1% good

53

Hanford-Corcoran, CA

AQI 53 · 39.8% good

53

Indianapolis-Carmel-Anderson, IN

AQI 53 · 40.7% good

53

Oklahoma City, OK

AQI 53 · 42.0% good

53

Atlanta-Sandy Springs-Roswell, GA

AQI 52 · 45.3% good

52

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 Beaumont-Port Arthur, TX metro area? ▼
The Beaumont-Port Arthur, TX metro area has a median Air Quality Index (AQI) of 53, rated "Moderate." 35.4% of monitored days (86 out of 243) had good air quality in 2025.
How many unhealthy air days does Beaumont-Port Arthur, TX have? ▼
In 2025, the Beaumont-Port Arthur, TX metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 93.
Is air quality in Beaumont-Port Arthur, TX getting better or worse? ▼
Air quality in the Beaumont-Port Arthur, TX metro is worsening based on 5-year trends (2020-2025). Best year: 2021 with 221 good days. Worst year: 2025 with 86 good days.
What does AQI 53 mean for health? ▼
An AQI of 53 is "Moderate", air quality is acceptable, but some pollutants may pose a moderate health concern for a small number of sensitive individuals.
What is the 90th percentile AQI for Beaumont-Port Arthur, TX? ▼
The 90th percentile AQI for the Beaumont-Port Arthur, TX metro area is 64, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 93 (Moderate).
How does Beaumont-Port Arthur, TX compare to other metro areas? ▼
The Beaumont-Port Arthur, TX metro has 35.4% good air days. Similar metros: Austin-Round Rock, TX (41.0% good), Detroit-Warren-Dearborn, MI (45.1% good), Hanford-Corcoran, CA (39.8% 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.