Little Rock Air Quality in 2020
In 2020, Little Rock's air quality (Little Rock-North Little Rock-Conway, AR area) had a median daily AQI of 50 (Good) across 366 monitored days. 2 days (0.5%) reached Unhealthy for Sensitive Groups or worse, 186 were Good, and the year's peak AQI was 132 (Unhealthy for Sensitive Groups). Fine particulate matter (PM2.5) set the daily AQI on 295 of those days. The cleanest month of 2020 was February (median AQI 35, 0 days above 100) and the worst was June (median 59, 2 days above 100, peak 132).
- Good: 50.8%
- Moderate: 48.6%
- Unhealthy for Sensitive Groups: 0.5%
- Unhealthy or worse: 0.0%
Extra Protection for Little Rock Homes
Air quality in Little Rock is moderate (AQI 53), 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 was Little Rock's air quality in 2020?
Good on a typical day: median AQI 50, with 2 days above AQI 100 out of 366 monitored — the 3rd cleanest of 7 years on record for the area.
- ✓Peak AQI in 2020: 132 (Unhealthy for Sensitive Groups).
- ✓Fine particulate matter (PM2.5) was the main pollutant on 295 days.
- ✓Cleanest month: February; worst: June.
Frequently asked questions
What was the average AQI in Little Rock in 2020?▾
EPA's Air Quality System puts Little Rock's (Little Rock-North Little Rock-Conway, AR) median daily AQI for 2020 at 50, which is Good. 2 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 132.
Which month had the worst air quality in Little Rock in 2020?▾
The cleanest month of 2020 was February (median AQI 35, 0 days above 100) and the worst was June (median 59, 2 days above 100, peak 132).
Was 2020 a good or bad year for Little Rock's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2020 ranks 3rd cleanest by days above AQI 100. 2020's median of 50 is below the area's typical annual median of 54.
Little Rock month by month in 2020
Little Rock air quality month by month, 2020 (Little Rock-North Little Rock-Conway, AR, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| January | 31 | 47 | 0 | 67 | PM2.5 |
| Februarycleanest | 29 | 35 | 0 | 52 | PM2.5 |
| March | 31 | 44 | 0 | 67 | PM2.5 |
| April | 30 | 47 | 0 | 63 | PM2.5 |
| May | 31 | 44 | 0 | 57 | PM2.5 |
| Juneworst | 30 | 59 | 2 | 132 | PM2.5 |
| July | 31 | 53 | 0 | 68 | PM2.5 |
| August | 31 | 55 | 0 | 80 | PM2.5 |
| September | 30 | 53 | 0 | 73 | PM2.5 |
| October | 31 | 52 | 0 | 84 | PM2.5 |
| November | 30 | 52 | 0 | 81 | PM2.5 |
| December | 31 | 51 | 0 | 76 | PM2.5 |
How 2020 compares
Among the 7 years EPA has published for the area (2019–2025), 2020 ranks 3rd cleanest by days above AQI 100.
2020's median of 50 is below 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.