Little Rock Air Quality in 2022

In 2022, Little Rock's air quality (Little Rock-North Little Rock-Conway, AR area) had a median daily AQI of 52 (Moderate) across 365 monitored days. 1 day (0.3%) reached Unhealthy for Sensitive Groups or worse, 153 were Good, and the year's peak AQI was 115 (Unhealthy for Sensitive Groups). Fine particulate matter (PM2.5) set the daily AQI on 297 of those days. The cleanest month of 2022 was December (median AQI 40, 0 days above 100) and the worst was March (median 52, 1 day above 100, peak 115).

52
Median AQI
Moderate
1
Days above AQI 100
0.3% of 365 days
67
90th percentile AQI
worst 1 day in 10
115
Peak AQI
Unhealthy for Sensitive Groups
PM2.5
Main pollutant
297 of 365 days
153
Good days
41.9% of days
  • Good: 41.9%
  • Moderate: 57.8%
  • Unhealthy for Sensitive Groups: 0.3%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How was Little Rock's air quality in 2022?

Moderate on a typical day: median AQI 52, with 1 day above AQI 100 out of 365 monitored — the 2nd cleanest of 7 years on record for the area.

  • Peak AQI in 2022: 115 (Unhealthy for Sensitive Groups).
  • Fine particulate matter (PM2.5) was the main pollutant on 297 days.
  • Cleanest month: December; worst: March.

Frequently asked questions

What was the average AQI in Little Rock in 2022?

EPA's Air Quality System puts Little Rock's (Little Rock-North Little Rock-Conway, AR) median daily AQI for 2022 at 52, which is Moderate. 1 day were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 115.

Which month had the worst air quality in Little Rock in 2022?

The cleanest month of 2022 was December (median AQI 40, 0 days above 100) and the worst was March (median 52, 1 day above 100, peak 115).

Was 2022 a good or bad year for Little Rock's air?

Among the 7 years EPA has published for the area (2019–2025), 2022 ranks 2nd cleanest by days above AQI 100. 2022's median of 52 is in line with the area's typical annual median of 54.

Little Rock month by month in 2022

Little Rock air quality month by month, 2022 (Little Rock-North Little Rock-Conway, AR, EPA AQS daily AQI)

MonthDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
January3146067PM2.5
February2850061PM2.5
Marchworst31521115PM2.5
April3052064PM2.5
May3153090PM2.5
June3063097PM2.5
July3158082PM2.5
August3150060PM2.5
September3055069PM2.5
October3154075PM2.5
November3053083PM2.5
Decembercleanest3140058PM2.5

How 2022 compares

Among the 7 years EPA has published for the area (2019–2025), 2022 ranks 2nd cleanest by days above AQI 100.

2022's median of 52 is in line with the area's typical annual median of 54.

Activity-specific thresholds: running, cycling, kids' sports.

Right now in Little Rock

The latest EPA AirNow observation puts Little Rock's AQI at 53 (PM2.5). The figures above are multi-year annual 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.