Metro area air quality · 2024

Ada, OK

Median AQI 43 (Good). 71.6% of monitored days rated Good across this metro's EPA monitoring network.

43
Median AQI
71.6%
Good-air days
0
Unhealthy days
0%
Cleaner than US metros

Ada, OK posted a 2024 median AQI of 43 (Good) with 71.6% Good days

According to the U.S. EPA Air Quality System, the Ada, OK CBSA recorded a median AQI of 43 across 289 monitored days in 2024, with 71.6% 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 Ada, OK CBSA's 71.6% Good-day share places it cleaner than 0% of US metros in 2024.
Closest median-AQI peer
Summerville, GA (96.3% Good, median AQI 39) is the closest nationwide median-AQI peer to Ada, OK.
2022–2024 Good-day shift
Ada, OK's Good-day share moved -14.9 points from 2022 to 2024 (median AQI +5).
Median AQI
Median AQI: 43

Aggregated from EPA Air Quality System (2024), 289 monitored days. EPA AQS →

The verdict

Ada, OK's Good-day share (71.6%) sits in the middle CBSA tercile on this extract. On the EPA scale the metro runs good, among the more polluted US metros, with a median AQI of 43 and 71.6% of 289 monitored days in the Good band.

43
median AQI · Good
71.6%
days rated Good
0%
cleaner than US metros
101
worst single reading

No day crossed into the Unhealthy tier across the metro's monitors in 2024.

Annual release change

What changed in the 2024 EPA annual release

2023 → 2024
  • Ada, OK metro's Good-day share rose from 70.4% to 71.9% between the 2023 and 2024 EPA annual releases, a change of +1.5 percentage points.

Compared against 358 monitored days in 2023 and 288 in 2024. These are arithmetic differences between two stored EPA annual summaries, not a cause claim or a live advisory.

National release changes Two-year CSV

Ada, OK's Good-day share (71.6%) sits in the middle CBSA tercile on this extract. Signature read: 71.6% 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 43 over 289 measured days in 2024 (Good / Moderate). The monitored-day split lands at 207 Good (72%), 81 Moderate (28%), and 1 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 63; the highest single-day reading hit 101 (USG).

Across 2022–2024, Good-day share shifted -14.9 points and median AQI moved +5 (worsening). No Unhealthy-tier days appear in this annual dataset. Metros with comparable AQI profiles include Summerville, GA (96.3% good, AQI 39); Americus, GA (93.4% good, AQI 38).

Understanding AQI →

Air Quality Summary

Median AQI

43

Good

Good Days

71.6%

207 of 289 days

Max AQI

101

USG

Health Grade

Moderate

90th pct: 63

AQI Day Breakdown (2024)

Distribution of 289 monitored days across EPA AQI categories.

Good

207

72%

Moderate

81

28%

USG

1

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Moderate

The Ada, OK metro area's air quality is rated Moderate based on 71.6% good air days. No unhealthy air days were recorded in 2024.

Air quality is generally acceptable. Unusually sensitive people should monitor real-time conditions at AirNow.gov during high-pollution events.

How does the Ada, OK metro compare?

How Ada, OK compares

Good-day share better than typical
Ada, OK 71.6%
Summerville, GA 96.3%
Typical US metro 70.6%
Median AQI worse than typical
Ada, OK 43
Summerville, GA 39
Typical US metro 41
Unhealthy days / yr better than typical
Ada, OK 0
Summerville, GA 0
Typical US metro 1

5-Year Air Quality Trend

Air quality is worsening in the Ada, OK metro. Highest Good-day share: 2022 (86.8%, 131 of 151 monitored days).

Year Good Moderate Unhealthy Median AQI
2022 131 20 0 38
2023 252 106 0 42
2024 207 81 0 43

Metros with a similar median AQI

CBSA peers nationwide whose annual median AQI sits near Ada, OK (43).

Summerville, GA

Median AQI 39 · 96.3% Good-day share

39

Americus, GA

Median AQI 38 · 93.4% Good-day share

38

Frequently Asked Questions

How many unhealthy air days does Ada, OK have? ▼
In 2024, the Ada, OK metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 101.
What is the air quality in the Ada, OK metro area? ▼
The Ada, OK metro area has a median Air Quality Index (AQI) of 43, rated "Good." 71.6% of monitored days (207 out of 289) had good air quality in 2024.
Is air quality in Ada, OK getting better or worse? ▼
Air quality in the Ada, OK metro is worsening across floor-qualifying years (2022-2024); years with fewer than 100 monitored days are excluded from that direction. Highest qualifying Good-day share: 2022 at 86.8% (131 of 151 days). Lowest qualifying Good-day share: 2023 at 70.4% (252 of 358 days).
What does AQI 43 mean for health? ▼
An AQI of 43 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 Ada, OK compare to other metro areas? ▼
The Ada, OK metro has 71.6% good air days. Similar metros: Summerville, GA (96.3% good), Americus, GA (93.4% good).
What is the 90th percentile AQI for Ada, OK? ▼
The 90th percentile AQI for the Ada, OK metro area is 63, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 101 (USG).

Data Sources

Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset for Ada, OK, 2024. 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, Ada, OK · 2020–2025