Little Rock Air Quality in Spring
Across 2019–2025, Little Rock's spring (March–May) air quality had a median AQI of 52 (Moderate) over 644 monitored days in the Little Rock-North Little Rock-Conway, AR area. 0.6% of spring days (4 of 644) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 66.9% of days. The cleanest spring on record here was 2020 (median AQI 45, 0 days above 100) and the worst was 2025 (median 53, 2 days above 100, peak AQI 138).
- Good: 46.7%
- Moderate: 52.6%
- Unhealthy for Sensitive Groups: 0.6%
- Unhealthy or worse: 0.0%
Extra Protection for Little Rock Homes
Air quality in Little Rock is moderate (AQI 96), with fine particles (PM2.5) the main concern. A True-HEPA purifier gives sensitive groups — kids, seniors and anyone with asthma or allergies — cleaner air indoors on days like today.
Recommended: Coway AP-1512HH Mighty — True HEPA + carbon · CADR ~246 CFM · rooms up to 361 sq ft
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How is the air in Little Rock in spring?
Moderate on a typical day: median AQI 52 across 2019–2025, with 0.6% of spring days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓46.7% of spring days were Good (AQI 0–50), 52.6% Moderate (51–100).
- ✓4 days of 644 reached AQI 101+; the spring peak was 138.
- ✓Cleanest month: April; worst month: March.
Frequently asked questions
What is the air quality like in Little Rock in spring?▾
Across 2019–2025, the median daily AQI in Little Rock in spring was 52 (Moderate). 46.7% of days were Good, 52.6% Moderate, and 0.6% reached Unhealthy for Sensitive Groups or worse, based on 644 monitored days in EPA's Air Quality System.
Is spring a good time for outdoor exercise in Little Rock?▾
A typical spring day in Little Rock is Moderate (median AQI 52): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and fewer than 1% of spring days reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Which pollutant causes Little Rock's spring air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 66.9% of spring days in Little Rock. The highest spring AQI recorded in 2019–2025 was 138 (Unhealthy for Sensitive Groups), in 2025.
Little Rock spring air quality, year by year
Little Rock spring air quality by year (Little Rock-North Little Rock-Conway, AR, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 92 | 46 | 0 | 74 | O3 |
| 2020cleanest | 92 | 45 | 0 | 67 | PM2.5 |
| 2021 | 92 | 54 | 0 | 100 | PM2.5 |
| 2022 | 92 | 52 | 1 | 115 | PM2.5 |
| 2023 | 92 | 52 | 1 | 105 | PM2.5 |
| 2024 | 92 | 52 | 0 | 84 | PM2.5 |
| 2025worst | 92 | 53 | 2 | 138 | PM2.5 |
What spring air means in Little Rock
A typical spring day in Little Rock is Moderate (median AQI 52): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and fewer than 1% of spring days reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Spring's median AQI of 52 is in line with Little Rock's whole-year median of 54, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median Spring AQI across every EPA metro area (307,196 metro-days, 2019–2025) is 43, so Little Rock runs above the national Spring norm; 0.6% of its Spring days topped AQI 100 versus 0.8% nationally (about the same).
Within the season, April is the cleanest month (median AQI 50, 0.5% of days above 100) and March the worst (median 51, 0.9% above 100).
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Little Rock
The latest EPA AirNow observation puts Little Rock's AQI at 96 (PM2.5). The figures above are multi-year season statistics, not today's reading.
View current Little Rock air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Little Rock-North Little Rock-Conway, AR), 2019–2025. Daily AQI per CBSA is the highest AQI reported by any monitor in the area that day; the defining parameter is the pollutant that set it. Month and season statistics pool every such day in the period across all years listed. Retrieved 2026-09-09.