Greensboro Air Quality in 2023
In 2023, Greensboro's air quality (Greensboro-High Point, NC area) had a median daily AQI of 50 (Good) across 365 monitored days. 4 days (1.1%) reached Unhealthy for Sensitive Groups or worse, 183 were Good, and the year's peak AQI was 131 (Unhealthy for Sensitive Groups). Fine particulate matter (PM2.5) set the daily AQI on 244 of those days. The cleanest month of 2023 was February (median AQI 40, 0 days above 100) and the worst was July (median 58, 2 days above 100, peak 113).
- Good: 50.1%
- Moderate: 48.8%
- Unhealthy for Sensitive Groups: 1.1%
- 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
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How was Greensboro's air quality in 2023?
Good on a typical day: median AQI 50, with 4 days above AQI 100 out of 365 monitored — the 7th cleanest of 7 years on record for the area.
- ✓Peak AQI in 2023: 131 (Unhealthy for Sensitive Groups).
- ✓Fine particulate matter (PM2.5) was the main pollutant on 244 days.
- ✓Cleanest month: February; worst: July.
Frequently asked questions
What was the average AQI in Greensboro in 2023?▾
EPA's Air Quality System puts Greensboro's (Greensboro-High Point, NC) median daily AQI for 2023 at 50, which is Good. 4 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 131.
Which month had the worst air quality in Greensboro in 2023?▾
The cleanest month of 2023 was February (median AQI 40, 0 days above 100) and the worst was July (median 58, 2 days above 100, peak 113).
Was 2023 a good or bad year for Greensboro's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2023 ranks 7th cleanest by days above AQI 100 — the worst year on record here. 2023's median of 50 is above the area's typical annual median of 44.
Greensboro month by month in 2023
Greensboro air quality month by month, 2023 (Greensboro-High Point, NC, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| January | 31 | 46 | 0 | 60 | PM2.5 |
| Februarycleanest | 28 | 40 | 0 | 59 | PM2.5 |
| March | 31 | 51 | 0 | 74 | O3 |
| April | 30 | 50 | 1 | 122 | O3 |
| May | 31 | 52 | 0 | 71 | O3 |
| June | 30 | 72 | 1 | 131 | PM2.5 |
| Julyworst | 31 | 58 | 2 | 113 | PM2.5 |
| August | 31 | 52 | 0 | 74 | PM2.5 |
| September | 30 | 46 | 0 | 61 | O3 |
| October | 31 | 44 | 0 | 59 | PM2.5 |
| November | 30 | 44 | 0 | 72 | PM2.5 |
| December | 31 | 41 | 0 | 80 | PM2.5 |
How 2023 compares
Among the 7 years EPA has published for the area (2019–2025), 2023 ranks 7th cleanest by days above AQI 100 — the worst year on record here.
2023's median of 50 is above 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.