Metro area air quality · 2025

Ponca City, OK

Median AQI 37 (Good). 71.2% of monitored days rated Good across this metro's EPA monitoring network.

37
Median AQI
71.2%
Good-air days
0
Unhealthy days
47%
Cleaner than US metros

Ponca City, OK posted a 2025 median AQI of 37 (Good) with 71.2% Good days

According to the U.S. EPA Air Quality System, the Ponca City, OK CBSA recorded a median AQI of 37 across 361 monitored days in 2025, with 71.2% 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 Ponca City, OK CBSA's 71.2% Good-day share places it cleaner than 47% of US metros in 2025.
Closest median-AQI peer
Alexandria, LA (73.7% Good, median AQI 37) is the closest nationwide median-AQI peer to Ponca City, OK.
2020–2025 Good-day shift
Ponca City, OK's Good-day share moved +24.6 points from 2020 to 2025 (median AQI -14).
Median AQI
Median AQI: 37

Aggregated from EPA Air Quality System (2025), 361 monitored days. EPA AQS →

The verdict

Ponca City, OK's median AQI 37 is in the lower (cleaner) CBSA tercile on this site. On the EPA scale the metro runs good, more polluted than the median US metro, with a median AQI of 37 and 71.2% of 361 monitored days in the Good band.

37
median AQI · Good
71.2%
days rated Good
47%
cleaner than US metros
141
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
  • Ponca City, OK metro's Good-day share rose from 63.4% to 71.6% between the 2024 and 2025 EPA annual releases, a change of +8.2 percentage points.
  • Ponca City, OK metro's peak single-day AQI fell from 193 to 141 between the 2024 and 2025 EPA annual releases, a change of -52 points.
  • Ponca City, OK metro's median AQI fell from 42 to 37 between the 2024 and 2025 EPA annual releases, a change of -5 points.
  • Ponca City, OK metro's Unhealthy-category days fell from 1 to 0 between the 2024 and 2025 EPA annual releases, a change of -1 days.

Compared against 352 monitored days in 2024 and 359 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

Ponca City, OK's median AQI 37 is in the lower (cleaner) CBSA tercile on this site. Signature read: median AQI 37 (low tercile vs CBSA corpus). Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 37 over 361 measured days in 2025 (Good / Moderate). The monitored-day split lands at 257 Good (71%), 102 Moderate (28%), and 2 Unhealthy-for-Sensitive-Groups (1%). The 90th-percentile AQI finished at 57; the highest single-day reading hit 141 (USG).

Across 2020–2025, Good-day share shifted +24.6 points and median AQI moved -14 (improving). No Unhealthy-tier days appear in this annual dataset. Metros with comparable AQI profiles include Alexandria, LA (73.7% good, AQI 37); Athens, TN (78.2% good, AQI 37); Bennington, VT (83.6% good, AQI 37).

Health effects of air pollution →

Air Quality Summary

Median AQI

37

Good

Good Days

71.2%

257 of 361 days

Max AQI

141

USG

Health Grade

Moderate

90th pct: 57

AQI Day Breakdown (2025)

Distribution of 361 monitored days across EPA AQI categories.

Good

257

71%

Moderate

102

28%

USG

2

1%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Moderate

The Ponca City, OK metro area's air quality is rated Moderate based on 71.2% 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 Ponca City, OK metro compare?

How Ponca City, OK compares

Good-day share better than typical
Ponca City, OK 71.2%
Alexandria, LA 73.7%
Typical US metro 70.6%
Median AQI better than typical
Ponca City, OK 37
Alexandria, LA 37
Typical US metro 41
Unhealthy days / yr better than typical
Ponca City, OK 0
Alexandria, LA 0
Typical US metro 1

5-Year Air Quality Trend

Air quality is improving in the Ponca City, OK metro. Highest Good-day share: 2025 (71.6%, 257 of 359 monitored days).

Year Good Moderate Unhealthy Median AQI
2020 171 193 0 51
2021 167 178 1 52
2022 225 136 0 43
2023 172 162 0 49
2024 223 128 1 42
2025 257 102 0 37

Metros with a similar median AQI

CBSA peers nationwide whose annual median AQI sits near Ponca City, OK (37).

Alexandria, LA

Median AQI 37 · 73.7% Good-day share

37

Athens, TN

Median AQI 37 · 78.2% Good-day share

37

Bennington, VT

Median AQI 37 · 83.6% Good-day share

37

Blacksburg-Christiansburg-Radford, VA

Median AQI 37 · 94.4% Good-day share

37

Cadillac, MI

Median AQI 37 · 86.0% Good-day share

37

Chambersburg-Waynesboro, PA

Median AQI 37 · 91.5% Good-day share

37

Metros with similar unhealthy-day exposure

A second relationship type: metros whose unhealthy-or-worse day count is closest to Ponca City, OK'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

What does AQI 37 mean for health? ▼
An AQI of 37 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 many unhealthy air days does Ponca City, OK have? ▼
In 2025, the Ponca City, OK metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 141.
What is the air quality in the Ponca City, OK metro area? ▼
The Ponca City, OK metro area has a median Air Quality Index (AQI) of 37, rated "Good." 71.2% of monitored days (257 out of 361) had good air quality in 2025.
Is air quality in Ponca City, OK getting better or worse? ▼
Air quality in the Ponca City, OK metro is improving across floor-qualifying years (2020-2025); years with fewer than 100 monitored days are excluded from that direction. Highest qualifying Good-day share: 2025 at 71.6% (257 of 359 days). Lowest qualifying Good-day share: 2020 at 47.0% (171 of 364 days).
How does Ponca City, OK compare to other metro areas? ▼
The Ponca City, OK metro has 71.2% good air days. Similar metros: Alexandria, LA (73.7% good), Athens, TN (78.2% good), Bennington, VT (83.6% good).
What is the 90th percentile AQI for Ponca City, OK? ▼
The 90th percentile AQI for the Ponca City, OK metro area is 57, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 141 (USG).

Data Sources

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