Metro area air quality · 2025

Ardmore, OK

Median AQI 47 (Good). 65.3% of monitored days rated Good across this metro's EPA monitoring network.

47
Median AQI
65.3%
Good-air days
2
Unhealthy days
34%
Cleaner than US metros

Aggregated from EPA Air Quality System (2025), 254 monitored days. EPA AQS →

The verdict

The Ardmore, OK metro runs good on the EPA scale, more polluted than the median US metro, a median AQI of 47 with 65.3% of 254 monitored days in the Good band.

47
median AQI · Good
65.3%
days rated Good
34%
cleaner than US metros
169
worst single reading

2 days reached Unhealthy or worse across the metro's monitors in 2025.

Insights: Ardmore, OK metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 47 over 254 measured days in 2025, which corresponds to a Good band and a Moderate metro-wide health grade. The monitored-day split lands at 166 Good days (65%), 81 Moderate (32%), and 5 Unhealthy-for-Sensitive-Groups (2%). The 90th-percentile AQI finished at 74 while the highest single-day reading hit 169 (Unhealthy). Metro residents averaged roughly 19.6 clean-air days per 30-day window across the reporting year.

Across the 2020–2025 trend window, good days shifted by -35 and the median AQI moved +0 points, which classifies the multi-year trajectory as improving. The metro recorded 2 unhealthy-or-worse days combined, on those days the EPA recommends that sensitive groups limit prolonged outdoor exertion, and many schools and athletic programs adjust outdoor activity accordingly. Metros with comparable AQI profiles include Baltimore-Columbia-Towson, MD (62.2% good, AQI 47); Boise City, ID (64.7% good, AQI 47); Cheyenne, WY (69.8% good, AQI 47).

Air Quality Summary

Median AQI

47

Good

Good Days

65.3%

166 of 254 days

Max AQI

169

Unhealthy

Health Grade

Moderate

90th pct: 74

AQI Day Breakdown (2025)

Distribution of 254 monitored days across EPA AQI categories.

Good

166

65%

Moderate

81

32%

USG

5

2%

Unhealthy

2

1%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Moderate

The Ardmore, OK metro area's air quality is rated Moderate based on 65.3% good air days. There were 2 unhealthy days in 2025 when outdoor activity should be limited.

Air quality is acceptable most days, but 5 days reached "Unhealthy for Sensitive Groups" and peak AQI reached 169. Sensitive groups should monitor real-time conditions at AirNow.gov.

How does the Ardmore, OK metro compare?

How Ardmore, OK compares

Good-day share worse than US avg
Ardmore, OK 65.3%
Baltimore-Columbia-Towson, MD 62.2%
US average 71.3%
Median AQI worse than US avg
Ardmore, OK 47
Baltimore-Columbia-Towson, MD 47
US average 41
Unhealthy days / yr worse than US avg
Ardmore, OK 2
Baltimore-Columbia-Towson, MD 0
US average 1

5-Year Air Quality Trend

Air quality is improving in the Ardmore, OK metro. Best year: 2022 (224 good days).

Year Good Moderate Unhealthy Median AQI
2020 201 143 0 47
2021 196 140 0 49
2022 224 132 1 46
2023 189 138 0 48
2024 217 132 0 48
2025 166 81 2 47

Metros with Similar Air Quality

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

Baltimore-Columbia-Towson, MD

AQI 47 · 62.2% good

47

Boise City, ID

AQI 47 · 64.7% good

47

Cheyenne, WY

AQI 47 · 69.8% good

47

Chico, CA

AQI 47 · 66.1% good

47

Columbus, GA-AL

AQI 47 · 58.8% good

47

Fort Wayne, IN

AQI 47 · 55.7% good

47

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 Ardmore, OK metro area? ▼
The Ardmore, OK metro area has a median Air Quality Index (AQI) of 47, rated "Good." 65.3% of monitored days (166 out of 254) had good air quality in 2025.
How many unhealthy air days does Ardmore, OK have? ▼
In 2025, the Ardmore, OK metro area recorded 2 unhealthy air days (2 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 169.
Is air quality in Ardmore, OK getting better or worse? ▼
Air quality in the Ardmore, OK metro is improving based on 5-year trends (2020-2025). Best year: 2022 with 224 good days. Worst year: 2025 with 166 good days.
What does AQI 47 mean for health? ▼
An AQI of 47 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 Ardmore, OK? ▼
The 90th percentile AQI for the Ardmore, OK metro area is 74, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 169 (Unhealthy).
How does Ardmore, OK compare to other metro areas? ▼
The Ardmore, OK metro has 65.3% good air days. Similar metros: Baltimore-Columbia-Towson, MD (62.2% good), Boise City, ID (64.7% good), Cheyenne, WY (69.8% 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.