Metro area air quality · 2025

McAlester, OK

Median AQI 48 (Good). 57.9% of monitored days rated Good across this metro's EPA monitoring network.

48
Median AQI
57.9%
Good-air days
0
Unhealthy days
20%
Cleaner than US metros

Aggregated from EPA Air Quality System (2025), 273 monitored days. EPA AQS →

The verdict

The McAlester, OK metro runs good on the EPA scale, among the more polluted US metros, a median AQI of 48 with 57.9% of 273 monitored days in the Good band.

48
median AQI · Good
57.9%
days rated Good
20%
cleaner than US metros
140
worst single reading

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

Insights: McAlester, OK metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 48 over 273 measured days in 2025, which corresponds to a Good band and a Moderate metro-wide health grade. The monitored-day split lands at 158 Good days (58%), 112 Moderate (41%), and 3 Unhealthy-for-Sensitive-Groups (1%). The 90th-percentile AQI finished at 64 while the highest single-day reading hit 140 (USG). Metro residents averaged roughly 17.4 clean-air days per 30-day window across the reporting year.

Across the 2020–2025 trend window, good days shifted by -72 and the median AQI moved +4 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 Brookings, SD (53.0% good, AQI 48); Charleston-North Charleston, SC (58.2% good, AQI 48); Chattanooga, TN-GA (53.9% good, AQI 48).

Air Quality Summary

Median AQI

48

Good

Good Days

57.9%

158 of 273 days

Max AQI

140

USG

Health Grade

Moderate

90th pct: 64

AQI Day Breakdown (2025)

Distribution of 273 monitored days across EPA AQI categories.

Good

158

58%

Moderate

112

41%

USG

3

1%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Moderate

The McAlester, OK metro area's air quality is rated Moderate based on 57.9% 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 McAlester, OK metro compare?

How McAlester, OK compares

Good-day share worse than US avg
McAlester, OK 57.9%
Brookings, SD 53.0%
US average 71.3%
Median AQI worse than US avg
McAlester, OK 48
Brookings, SD 48
US average 41
Unhealthy days / yr better than US avg
McAlester, OK 0
Brookings, SD 1
US average 1

5-Year Air Quality Trend

Air quality is worsening in the McAlester, OK metro. Best year: 2020 (230 good days).

Year Good Moderate Unhealthy Median AQI
2020 230 135 0 44
2021 176 180 0 51
2022 208 136 0 47
2023 196 152 0 49
2024 198 162 0 48
2025 158 112 0 48

Metros with Similar Air Quality

Metro areas across the US with a similar median AQI to McAlester, OK.

More Air Quality Data

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

Air Quality Guides

Frequently Asked Questions

What is the air quality in the McAlester, OK metro area?
The McAlester, OK metro area has a median Air Quality Index (AQI) of 48, rated "Good." 57.9% of monitored days (158 out of 273) had good air quality in 2025.
How many unhealthy air days does McAlester, OK have?
In 2025, the McAlester, OK metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 140.
Is air quality in McAlester, OK getting better or worse?
Air quality in the McAlester, OK metro is worsening based on 5-year trends (2020-2025). Best year: 2020 with 230 good days. Worst year: 2025 with 158 good days.
What does AQI 48 mean for health?
An AQI of 48 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 McAlester, OK?
The 90th percentile AQI for the McAlester, OK metro area is 64, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 140 (USG).
How does McAlester, OK compare to other metro areas?
The McAlester, OK metro has 57.9% good air days. Similar metros: Brookings, SD (53.0% good), Charleston-North Charleston, SC (58.2% good), Chattanooga, TN-GA (53.9% 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.

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.