Metro area air quality · 2025

Lawton, OK

Median AQI 44 (Good). 66.8% of monitored days rated Good across this metro's EPA monitoring network.

44
Median AQI
66.8%
Good-air days
0
Unhealthy days
38%
Cleaner than US metros

Lawton, OK posted a 2025 median AQI of 44 (Good) with 66.8% Good days

According to the U.S. EPA Air Quality System, the Lawton, OK CBSA recorded a median AQI of 44 across 358 monitored days in 2025, with 66.8% 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 Lawton, OK CBSA's 66.8% Good-day share places it cleaner than 38% of US metros in 2025.
Closest median-AQI peer
Bartlesville, OK (68.0% Good, median AQI 44) is the closest nationwide median-AQI peer to Lawton, OK.
2020–2025 Good-day shift
Lawton, OK's Good-day share moved -4.3 points from 2020 to 2025 (median AQI +0).
Median AQI
Median AQI: 44

Aggregated from EPA Air Quality System (2025), 358 monitored days. EPA AQS →

The verdict

Lawton, OK's Good-day share (66.8%) sits in the middle CBSA tercile on this extract. On the EPA scale the metro runs good, more polluted than the median US metro, with a median AQI of 44 and 66.8% of 358 monitored days in the Good band.

44
median AQI · Good
66.8%
days rated Good
38%
cleaner than US metros
131
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
  • Lawton, OK metro's peak single-day AQI fell from 339 to 131 between the 2024 and 2025 EPA annual releases, a change of -208 points.

Compared against 355 monitored days in 2024 and 354 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

Lawton, OK's Good-day share (66.8%) sits in the middle CBSA tercile on this extract. Signature read: 66.8% Good-day share (mid tercile vs CBSA corpus). Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 44 over 358 measured days in 2025 (Good / Moderate). The monitored-day split lands at 239 Good (67%), 115 Moderate (32%), and 4 Unhealthy-for-Sensitive-Groups (1%). The 90th-percentile AQI finished at 67; the highest single-day reading hit 131 (USG).

Across 2020–2025, Good-day share shifted -4.3 points and median AQI moved +0 (worsening). No Unhealthy-tier days appear in this annual dataset. Metros with comparable AQI profiles include Bartlesville, OK (68.0% good, AQI 44); Berlin, NH-VT (81.5% good, AQI 44); Bloomington, IL (66.0% good, AQI 44).

Understanding AQI →

Air Quality Summary

Median AQI

44

Good

Good Days

66.8%

239 of 358 days

Max AQI

131

USG

Health Grade

Moderate

90th pct: 67

AQI Day Breakdown (2025)

Distribution of 358 monitored days across EPA AQI categories.

Good

239

67%

Moderate

115

32%

USG

4

1%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Moderate

The Lawton, OK metro area's air quality is rated Moderate based on 66.8% 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 Lawton, OK metro compare?

How Lawton, OK compares

Good-day share worse than typical
Lawton, OK 66.8%
Bartlesville, OK 68.0%
Typical US metro 70.6%
Median AQI worse than typical
Lawton, OK 44
Bartlesville, OK 44
Typical US metro 41
Unhealthy days / yr better than typical
Lawton, OK 0
Bartlesville, OK 1
Typical US metro 1

5-Year Air Quality Trend

Air quality is worsening in the Lawton, OK metro. Highest Good-day share: 2020 (71.8%, 262 of 365 monitored days).

Year Good Moderate Unhealthy Median AQI
2020 262 103 0 44
2021 223 139 0 47
2022 205 146 0 47
2023 216 137 0 46
2024 242 113 0 43
2025 239 115 0 44

Metros with a similar median AQI

CBSA peers nationwide whose annual median AQI sits near Lawton, OK (44).

Metros with similar unhealthy-day exposure

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

Frequently Asked Questions

How many unhealthy air days does Lawton, OK have?
In 2025, the Lawton, OK metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 131.
What is the air quality in the Lawton, OK metro area?
The Lawton, OK metro area has a median Air Quality Index (AQI) of 44, rated "Good." 66.8% of monitored days (239 out of 358) had good air quality in 2025.
Is air quality in Lawton, OK getting better or worse?
Air quality in the Lawton, OK 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 71.8% (262 of 365 days). Lowest qualifying Good-day share: 2022 at 58.4% (205 of 351 days).
What does AQI 44 mean for health?
An AQI of 44 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 Lawton, OK compare to other metro areas?
The Lawton, OK metro has 66.8% good air days. Similar metros: Bartlesville, OK (68.0% good), Berlin, NH-VT (81.5% good), Bloomington, IL (66.0% good).
What is the 90th percentile AQI for Lawton, OK?
The 90th percentile AQI for the Lawton, OK metro area is 67, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 131 (USG).

Data Sources

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

Source: U.S. EPA Air Quality System (AQS) Annual AQI by CBSA summary, Lawton, OK · 2020–2025