Metro area air quality · 2025

Little Rock-North Little Rock-Conway, AR

Median AQI 54 (Moderate). 32.9% of monitored days rated Good across this metro's EPA monitoring network.

54
Median AQI
32.9%
Good-air days
2
Unhealthy days
3%
Cleaner than US metros

Aggregated from EPA Air Quality System (2025), 274 monitored days. EPA AQS →

The verdict

The Little Rock-North Little Rock-Conway, AR metro runs moderate on the EPA scale, among the more polluted US metros, a median AQI of 54 with 32.9% of 274 monitored days in the Good band.

54
median AQI · Moderate
32.9%
days rated Good
3%
cleaner than US metros
239
worst single reading

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

Insights: Little Rock-North Little Rock-Conway, AR metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 54 over 274 measured days in 2025, which corresponds to a Moderate band and a Poor metro-wide health grade. The monitored-day split lands at 90 Good days (33%), 178 Moderate (65%), and 4 Unhealthy-for-Sensitive-Groups (1%). The 90th-percentile AQI finished at 69 while the highest single-day reading hit 239 (Very Unhealthy). Metro residents averaged roughly 9.9 clean-air days per 30-day window across the reporting year.

Across the 2020–2025 trend window, good days shifted by -96 and the median AQI moved +4 points, which classifies the multi-year trajectory as worsening. 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 Baton Rouge, LA (35.0% good, AQI 54); Bishop, CA (40.7% good, AQI 54); Chicago-Naperville-Elgin, IL-IN-WI (34.3% good, AQI 54).

Air Quality Summary

Median AQI

54

Moderate

Good Days

32.9%

90 of 274 days

Max AQI

239

Very Unhealthy

Health Grade

Poor

90th pct: 69

AQI Day Breakdown (2025)

Distribution of 274 monitored days across EPA AQI categories.

Good

90

33%

Moderate

178

65%

USG

4

1%

Unhealthy

1

0%

Very Unhealthy

1

0%

Hazardous

0

0%

Health Impact Assessment

Poor

The Little Rock-North Little Rock-Conway, AR metro area's air quality is rated Poor based on 32.9% good air days. There were 2 unhealthy days in 2025 when outdoor activity should be limited.

Air quality reached unhealthy levels on 2 days in 2025 (1 Unhealthy, 1 Very Unhealthy). Sensitive groups, including people with asthma, COPD, cardiovascular conditions, children, and adults over 65, should review the daily breakdown and follow local advisories.

Sensitive group advisory

People with asthma, COPD, heart disease, children, pregnant women, and adults 65+ should follow EPA AQI alerts daily and limit outdoor exertion when AQI exceeds 100. Real-time conditions: airnow.gov.

How does the Little Rock-North Little Rock-Conway, AR metro compare?

How Little Rock-North Little Rock-Conway, AR compares

Good-day share worse than US avg
Little Rock-North Little Rock-Conway, AR 32.9%
Baton Rouge, LA 35.0%
US average 71.3%
Median AQI worse than US avg
Little Rock-North Little Rock-Conway, AR 54
Baton Rouge, LA 54
US average 41
Unhealthy days / yr worse than US avg
Little Rock-North Little Rock-Conway, AR 2
Baton Rouge, LA 0
US average 1

5-Year Air Quality Trend

Air quality is worsening in the Little Rock-North Little Rock-Conway, AR metro. Best year: 2020 (186 good days).

Year Good Moderate Unhealthy Median AQI
2020 186 178 0 50
2021 114 249 0 54
2022 153 211 0 52
2023 122 238 1 55
2024 118 242 0 55
2025 90 178 1 54

Metros with Similar Air Quality

Metro areas across the US with a similar median AQI to Little Rock-North Little Rock-Conway, AR.

Baton Rouge, LA

AQI 54 · 35.0% good

54

Bishop, CA

AQI 54 · 40.7% good

54

Chicago-Naperville-Elgin, IL-IN-WI

AQI 54 · 34.3% good

54

Cleveland-Elyria, OH

AQI 54 · 42.6% good

54

Columbus, OH

AQI 54 · 39.0% good

54

Fort Collins, CO

AQI 54 · 40.1% good

54

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 Little Rock-North Little Rock-Conway, AR metro area? ▼
The Little Rock-North Little Rock-Conway, AR metro area has a median Air Quality Index (AQI) of 54, rated "Moderate." 32.9% of monitored days (90 out of 274) had good air quality in 2025.
How many unhealthy air days does Little Rock-North Little Rock-Conway, AR have? ▼
In 2025, the Little Rock-North Little Rock-Conway, AR metro area recorded 2 unhealthy air days (1 Unhealthy, 1 Very Unhealthy, 0 Hazardous). The maximum AQI reached 239.
Is air quality in Little Rock-North Little Rock-Conway, AR getting better or worse? ▼
Air quality in the Little Rock-North Little Rock-Conway, AR metro is worsening based on 5-year trends (2020-2025). Best year: 2020 with 186 good days. Worst year: 2025 with 90 good days.
What does AQI 54 mean for health? ▼
An AQI of 54 is "Moderate", air quality is acceptable, but some pollutants may pose a moderate health concern for a small number of sensitive individuals.
What is the 90th percentile AQI for Little Rock-North Little Rock-Conway, AR? ▼
The 90th percentile AQI for the Little Rock-North Little Rock-Conway, AR metro area is 69, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 239 (Very Unhealthy).
How does Little Rock-North Little Rock-Conway, AR compare to other metro areas? ▼
The Little Rock-North Little Rock-Conway, AR metro has 32.9% good air days. Similar metros: Baton Rouge, LA (35.0% good), Bishop, CA (40.7% good), Chicago-Naperville-Elgin, IL-IN-WI (34.3% 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.