Metro area air quality · 2025

Tyler, TX

Median AQI 35 (Good). 90.4% of monitored days rated Good across this metro's EPA monitoring network.

35
Median AQI
90.4%
Good-air days
0
Unhealthy days
87%
Cleaner than US metros

Tyler, TX posted a 2025 median AQI of 35 (Good) with 90.4% Good days

According to the U.S. EPA Air Quality System, the Tyler, TX CBSA recorded a median AQI of 35 across 365 monitored days in 2025, with 90.4% rated Good and 0 unhealthy or worse. This is an annual metro comparison, not a live advisory.

Data source EPA Air Quality System (AQS)

Cleaner than US metros
The Tyler, TX CBSA's 90.4% Good-day share places it cleaner than 87% of US metros in 2025.
Closest median-AQI peer
Baraboo, WI (75.6% Good, median AQI 35) is the closest nationwide median-AQI peer to Tyler, TX.
2020–2025 Good-day shift
Tyler, TX's Good-day share moved -5.8 points from 2020 to 2025 (median AQI +2).
Median AQI
Median AQI: 35

Aggregated from EPA Air Quality System (2025), 365 monitored days. EPA AQS →

The verdict

Tyler, TX sits in the upper Good-day tercile among EPA CBSA metros on this site (90.4% of 365 monitored days). On the EPA scale the metro runs good, cleaner than most US metros, with a median AQI of 35 and 90.4% of 365 monitored days in the Good band.

35
median AQI · Good
90.4%
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.

Annual release change

What changed in the 2025 EPA annual release

2024 → 2025
  • Tyler, TX metro's Good-day share rose from 86.7% to 90.4% between the 2024 and 2025 EPA annual releases, a change of +3.7 percentage points.
  • Tyler, TX metro's median AQI fell from 39 to 35 between the 2024 and 2025 EPA annual releases, a change of -4 points.
  • Tyler, TX metro's peak single-day AQI fell from 105 to 93 between the 2024 and 2025 EPA annual releases, a change of -12 points.

Compared against 362 monitored days in 2024 and 365 in 2025. These are arithmetic differences between two stored EPA annual summaries, not a cause claim or a live advisory.

National release changes Two-year CSV

Tyler, TX sits in the upper Good-day tercile among EPA CBSA metros on this site (90.4% of 365 monitored days). Signature read: 90.4% Good-day share (high tercile vs CBSA corpus). Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 35 over 365 measured days in 2025 (Good / Excellent). The monitored-day split lands at 330 Good (90%), 35 Moderate (10%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 50; the highest single-day reading hit 93 (Moderate).

Across 2020–2025, Good-day share shifted -5.8 points and median AQI moved +2 (worsening). No Unhealthy-tier days appear in this annual dataset. Metros with comparable AQI profiles include Baraboo, WI (75.6% good, AQI 35); Effingham, IL (95.5% good, AQI 35); Ithaca, NY (93.2% good, AQI 35).

Best and worst city air quality →

Air Quality Summary

Median AQI

35

Good

Good Days

90.4%

330 of 365 days

Max AQI

93

Moderate

Health Grade

Excellent

90th pct: 50

AQI Day Breakdown (2025)

Distribution of 365 monitored days across EPA AQI categories.

Good

330

90%

Moderate

35

10%

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 90.4% 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 Tyler, TX metro compare?

How Tyler, TX compares

Good-day share better than typical
Tyler, TX 90.4%
Baraboo, WI 75.6%
Typical US metro 70.6%
Median AQI better than typical
Tyler, TX 35
Baraboo, WI 35
Typical US metro 41
Unhealthy days / yr better than typical
Tyler, TX 0
Baraboo, WI 1
Typical US metro 1

5-Year Air Quality Trend

Air quality is worsening in the Tyler, TX metro. Highest Good-day share: 2020 (96.2%, 352 of 366 monitored 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 330 35 0 35

Metros with a similar median AQI

CBSA peers nationwide whose annual median AQI sits near Tyler, TX (35).

Baraboo, WI

Median AQI 35 · 75.6% Good-day share

35

Effingham, IL

Median AQI 35 · 95.5% Good-day share

35

Ithaca, NY

Median AQI 35 · 93.2% Good-day share

35

Kinston, NC

Median AQI 35 · 97.5% Good-day share

35

Meridian, MS

Median AQI 35 · 94.6% Good-day share

35

Morehead City, NC

Median AQI 35 · 96.2% Good-day share

35

Metros with similar unhealthy-day exposure

A second relationship type: metros whose unhealthy-or-worse day count is closest to Tyler, TX's 0 (independent of median AQI).

Aberdeen, SD

0 unhealthy-or-worse days · median AQI 27

27

Aberdeen, WA

0 unhealthy-or-worse days · median AQI 22

22

Adrian, MI

0 unhealthy-or-worse days · median AQI 41

41

Akron, OH

0 unhealthy-or-worse days · median AQI 45

45

Albany, GA

0 unhealthy-or-worse days · median AQI 46

46

Albany, OR

0 unhealthy-or-worse days · median AQI 27

27

Frequently Asked Questions

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.
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." 90.4% of monitored days (330 out of 365) had good air quality in 2025.
Is air quality in Tyler, TX getting better or worse? ▼
Air quality in the Tyler, TX metro is worsening across floor-qualifying years (2020-2025); years with fewer than 100 monitored days are excluded from that direction. Highest qualifying Good-day share: 2020 at 96.2% (352 of 366 days). Lowest qualifying Good-day share: 2022 at 81.0% (289 of 357 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.
How does Tyler, TX compare to other metro areas? ▼
The Tyler, TX metro has 90.4% good air days. Similar metros: Baraboo, WI (75.6% good), Effingham, IL (95.5% good), Ithaca, NY (93.2% good).
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).

Data Sources

Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset for Tyler, TX, 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, Tyler, TX · 2020–2025