Metro area air quality · 2025

Tyler, TX

Median AQI 35 (Good). 92.2% of monitored days rated Good across this metro's EPA monitoring network.

35
Median AQI
92.2%
Good-air days
0
Unhealthy days
87%
Cleaner than US metros

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

The verdict

The Tyler, TX metro runs good on the EPA scale, cleaner than most US metros, a median AQI of 35 with 92.2% of 243 monitored days in the Good band.

35
median AQI · Good
92.2%
days rated Good
87%
cleaner than US metros
93
worst single reading

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

Insights: Tyler, TX metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 35 over 243 measured days in 2025, which corresponds to a Good band and a Excellent metro-wide health grade. The monitored-day split lands at 224 Good days (92%), 19 Moderate (8%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 50 while the highest single-day reading hit 93 (Moderate). Metro residents averaged roughly 27.7 clean-air days per 30-day window across the reporting year.

Across the 2020–2025 trend window, good days shifted by -128 and the median AQI moved +2 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 Alexandria, LA (79.0% good, AQI 35); Arkadelphia, AR (97.5% good, AQI 35); East Stroudsburg, PA (93.3% good, AQI 35).

Air Quality Summary

Median AQI

35

Good

Good Days

92.2%

224 of 243 days

Max AQI

93

Moderate

Health Grade

Excellent

90th pct: 50

AQI Day Breakdown (2025)

Distribution of 243 monitored days across EPA AQI categories.

Good

224

92%

Moderate

19

8%

USG

0

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Excellent

The Tyler, TX metro area's air quality is rated Excellent based on 92.2% 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 Tyler, TX metro compare?

How Tyler, TX compares

Good-day share better than US avg
Tyler, TX 92.2%
Alexandria, LA 79.0%
US average 71.3%
Median AQI better than US avg
Tyler, TX 35
Alexandria, LA 35
US average 41
Unhealthy days / yr better than US avg
Tyler, TX 0
Alexandria, LA 0
US average 1

5-Year Air Quality Trend

Air quality is worsening in the Tyler, TX metro. Best year: 2020 (352 good days).

Year Good Moderate Unhealthy Median AQI
2020 352 14 0 33
2021 333 28 0 35
2022 289 68 0 40
2023 296 64 0 38
2024 314 48 0 39
2025 224 19 0 35

Metros with Similar Air Quality

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

Alexandria, LA

AQI 35 · 79.0% good

35

Arkadelphia, AR

AQI 35 · 97.5% good

35

East Stroudsburg, PA

AQI 35 · 93.3% good

35

Effingham, IL

AQI 35 · 95.7% good

35

Lewiston-Auburn, ME

AQI 35 · 85.5% good

35

Meridian, MS

AQI 35 · 94.8% good

35

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 Tyler, TX metro area? ▼
The Tyler, TX metro area has a median Air Quality Index (AQI) of 35, rated "Good." 92.2% of monitored days (224 out of 243) had good air quality in 2025.
How many unhealthy air days does Tyler, TX have? ▼
In 2025, the Tyler, TX metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 93.
Is air quality in Tyler, TX getting better or worse? ▼
Air quality in the Tyler, TX metro is worsening based on 5-year trends (2020-2025). Best year: 2020 with 352 good days. Worst year: 2025 with 224 good days.
What does AQI 35 mean for health? ▼
An AQI of 35 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 Tyler, TX? ▼
The 90th percentile AQI for the Tyler, TX metro area is 50, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 93 (Moderate).
How does Tyler, TX compare to other metro areas? ▼
The Tyler, TX metro has 92.2% good air days. Similar metros: Alexandria, LA (79.0% good), Arkadelphia, AR (97.5% good), East Stroudsburg, PA (93.3% 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.