Metro area air quality · 2025

Fayetteville-Springdale-Rogers, AR-MO

Median AQI 40 (Good). 83.3% of monitored days rated Good across this metro's EPA monitoring network.

40
Median AQI
83.3%
Good-air days
0
Unhealthy days
74%
Cleaner than US metros

Fayetteville-Springdale-Rogers, AR-MO posted a 2025 median AQI of 40 (Good) with 83.3% Good days

According to the U.S. EPA Air Quality System, the Fayetteville-Springdale-Rogers, AR-MO CBSA recorded a median AQI of 40 across 365 monitored days in 2025, with 83.3% 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 Fayetteville-Springdale-Rogers, AR-MO CBSA's 83.3% Good-day share places it cleaner than 74% of US metros in 2025.
Closest median-AQI peer
Altoona, PA (76.9% Good, median AQI 40) is the closest nationwide median-AQI peer to Fayetteville-Springdale-Rogers, AR-MO.
2020–2025 Good-day shift
Fayetteville-Springdale-Rogers, AR-MO's Good-day share moved +14.5 points from 2020 to 2025 (median AQI -4).
Median AQI
Median AQI: 40

Aggregated from EPA Air Quality System (2025), 365 monitored days. EPA AQS →

The verdict

Fayetteville-Springdale-Rogers, AR-MO sits in the upper Good-day tercile among EPA CBSA metros on this site (83.3% of 365 monitored days). On the EPA scale the metro runs good, cleaner than the median US metro, with a median AQI of 40 and 83.3% of 365 monitored days in the Good band.

40
median AQI · Good
83.3%
days rated Good
74%
cleaner than US metros
74
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
  • Fayetteville-Springdale-Rogers, AR-MO metro's peak single-day AQI fell from 101 to 74 between the 2024 and 2025 EPA annual releases, a change of -27 points.

Compared against 365 monitored days in 2024 and 365 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

Fayetteville-Springdale-Rogers, AR-MO sits in the upper Good-day tercile among EPA CBSA metros on this site (83.3% of 365 monitored days). Signature read: 83.3% Good-day share (high tercile vs CBSA corpus). Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 40 over 365 measured days in 2025 (Good / Good). The monitored-day split lands at 304 Good (83%), 61 Moderate (17%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 54; the highest single-day reading hit 74 (Moderate).

Across 2020–2025, Good-day share shifted +14.5 points and median AQI moved -4 (improving). No Unhealthy-tier days appear in this annual dataset. Metros with comparable AQI profiles include Altoona, PA (76.9% good, AQI 40); Beaver Dam, WI (72.3% good, AQI 40); Bismarck, ND (76.7% good, AQI 40).

Best and worst city air quality →

Air Quality Summary

Median AQI

40

Good

Good Days

83.3%

304 of 365 days

Max AQI

74

Moderate

Health Grade

Good

90th pct: 54

AQI Day Breakdown (2025)

Distribution of 365 monitored days across EPA AQI categories.

Good

304

83%

Moderate

61

17%

USG

0

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Good

The Fayetteville-Springdale-Rogers, AR-MO metro area's air quality is rated Good based on 83.3% 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 Fayetteville-Springdale-Rogers, AR-MO metro compare?

How Fayetteville-Springdale-Rogers, AR-MO compares

Good-day share better than typical
Fayetteville-Springdale-Rogers, AR-MO 83.3%
Altoona, PA 76.9%
Typical US metro 70.6%
Median AQI better than typical
Fayetteville-Springdale-Rogers, AR-MO 40
Altoona, PA 40
Typical US metro 41
Unhealthy days / yr better than typical
Fayetteville-Springdale-Rogers, AR-MO 0
Altoona, PA 0
Typical US metro 1

5-Year Air Quality Trend

Air quality is improving in the Fayetteville-Springdale-Rogers, AR-MO metro. Highest Good-day share: 2025 (83.3%, 304 of 365 monitored days).

Year Good Moderate Unhealthy Median AQI
2020 251 114 0 44
2021 206 158 0 48
2022 214 148 0 47
2023 265 95 0 44
2024 304 61 0 41
2025 304 61 0 40

Metros with a similar median AQI

CBSA peers nationwide whose annual median AQI sits near Fayetteville-Springdale-Rogers, AR-MO (40).

Altoona, PA

Median AQI 40 · 76.9% Good-day share

40

Beaver Dam, WI

Median AQI 40 · 72.3% Good-day share

40

Bismarck, ND

Median AQI 40 · 76.7% Good-day share

40

Cape Coral-Fort Myers, FL

Median AQI 40 · 76.4% Good-day share

40

College Station-Bryan, TX

Median AQI 40 · 68.5% Good-day share

40

Fallon, NV

Median AQI 40 · 85.2% Good-day share

40

Metros with similar unhealthy-day exposure

A second relationship type: metros whose unhealthy-or-worse day count is closest to Fayetteville-Springdale-Rogers, AR-MO'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

How many unhealthy air days does Fayetteville-Springdale-Rogers, AR-MO have? ▼
In 2025, the Fayetteville-Springdale-Rogers, AR-MO metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 74.
What is the air quality in the Fayetteville-Springdale-Rogers, AR-MO metro area? ▼
The Fayetteville-Springdale-Rogers, AR-MO metro area has a median Air Quality Index (AQI) of 40, rated "Good." 83.3% of monitored days (304 out of 365) had good air quality in 2025.
Is air quality in Fayetteville-Springdale-Rogers, AR-MO getting better or worse? ▼
Air quality in the Fayetteville-Springdale-Rogers, AR-MO 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 83.3% (304 of 365 days). Lowest qualifying Good-day share: 2021 at 56.6% (206 of 364 days).
What does AQI 40 mean for health? ▼
An AQI of 40 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 Fayetteville-Springdale-Rogers, AR-MO compare to other metro areas? ▼
The Fayetteville-Springdale-Rogers, AR-MO metro has 83.3% good air days. Similar metros: Altoona, PA (76.9% good), Beaver Dam, WI (72.3% good), Bismarck, ND (76.7% good).
What is the 90th percentile AQI for Fayetteville-Springdale-Rogers, AR-MO? ▼
The 90th percentile AQI for the Fayetteville-Springdale-Rogers, AR-MO metro area is 54, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 74 (Moderate).

Data Sources

Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset for Fayetteville-Springdale-Rogers, AR-MO, 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, Fayetteville-Springdale-Rogers, AR-MO · 2020–2025