Greensboro Air Quality in 2020
In 2020, Greensboro's air quality (Greensboro-High Point, NC area) had a median daily AQI of 40 (Good) across 366 monitored days. 0 days (0.0%) reached Unhealthy for Sensitive Groups or worse, 288 were Good, and the year's peak AQI was 88 (Moderate). Fine particulate matter (PM2.5) set the daily AQI on 209 of those days. The cleanest month of 2020 was January (median AQI 22, 0 days above 100) and the worst was June (median 48, 0 days above 100, peak 88).
- Good: 78.7%
- Moderate: 21.3%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
Extra Protection for Greensboro Homes
Air quality in Greensboro is moderate (AQI 52), 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
As an Amazon Associate, we earn from qualifying purchases.
How was Greensboro's air quality in 2020?
Good on a typical day: median AQI 40, with 0 days above AQI 100 out of 366 monitored — the 1st cleanest of 7 years on record for the area.
- ✓Peak AQI in 2020: 88 (Moderate).
- ✓Fine particulate matter (PM2.5) was the main pollutant on 209 days.
- ✓Cleanest month: January; worst: June.
Frequently asked questions
What was the average AQI in Greensboro in 2020?▾
EPA's Air Quality System puts Greensboro's (Greensboro-High Point, NC) median daily AQI for 2020 at 40, which is Good. 0 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 88.
Which month had the worst air quality in Greensboro in 2020?▾
The cleanest month of 2020 was January (median AQI 22, 0 days above 100) and the worst was June (median 48, 0 days above 100, peak 88).
Was 2020 a good or bad year for Greensboro's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2020 ranks 1st cleanest by days above AQI 100 — the best year on record here. 2020's median of 40 is below the area's typical annual median of 44.
Greensboro month by month in 2020
Greensboro air quality month by month, 2020 (Greensboro-High Point, NC, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| Januarycleanest | 31 | 22 | 0 | 51 | PM2.5 |
| February | 29 | 22 | 0 | 55 | PM2.5 |
| March | 31 | 42 | 0 | 63 | O3 |
| April | 30 | 44 | 0 | 51 | O3 |
| May | 31 | 38 | 0 | 58 | O3 |
| Juneworst | 30 | 48 | 0 | 88 | O3 |
| July | 31 | 47 | 0 | 78 | O3 |
| August | 31 | 43 | 0 | 56 | PM2.5 |
| September | 30 | 31 | 0 | 55 | O3 |
| October | 31 | 41 | 0 | 59 | PM2.5 |
| November | 30 | 47 | 0 | 66 | PM2.5 |
| December | 31 | 37 | 0 | 64 | PM2.5 |
How 2020 compares
Among the 7 years EPA has published for the area (2019–2025), 2020 ranks 1st cleanest by days above AQI 100 — the best year on record here.
2020's median of 40 is below the area's typical annual median of 44.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Greensboro
The latest EPA AirNow observation puts Greensboro's AQI at 52 (PM2.5). The figures above are multi-year annual statistics, not today's reading.
View current Greensboro air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Greensboro-High Point, NC), 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.