Greensboro Air Quality in 2025
In 2025, Greensboro's air quality (Greensboro-High Point, NC area) had a median daily AQI of 42 (Good) across 365 monitored days. 0 days (0.0%) reached Unhealthy for Sensitive Groups or worse, 272 were Good, and the year's peak AQI was 77 (Moderate). Fine particulate matter (PM2.5) set the daily AQI on 199 of those days. The cleanest month of 2025 was February (median AQI 29, 0 days above 100) and the worst was June (median 48, 0 days above 100, peak 77).
- Good: 74.5%
- Moderate: 25.5%
- 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
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How was Greensboro's air quality in 2025?
Good on a typical day: median AQI 42, with 0 days above AQI 100 out of 365 monitored — the 2nd cleanest of 7 years on record for the area.
- ✓Peak AQI in 2025: 77 (Moderate).
- ✓Fine particulate matter (PM2.5) was the main pollutant on 199 days.
- ✓Cleanest month: February; worst: June.
Frequently asked questions
What was the average AQI in Greensboro in 2025?▾
EPA's Air Quality System puts Greensboro's (Greensboro-High Point, NC) median daily AQI for 2025 at 42, which is Good. 0 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 77.
Which month had the worst air quality in Greensboro in 2025?▾
The cleanest month of 2025 was February (median AQI 29, 0 days above 100) and the worst was June (median 48, 0 days above 100, peak 77).
Was 2025 a good or bad year for Greensboro's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2025 ranks 2nd cleanest by days above AQI 100. 2025's median of 42 is in line with the area's typical annual median of 44.
Greensboro month by month in 2025
Greensboro air quality month by month, 2025 (Greensboro-High Point, NC, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| January | 31 | 34 | 0 | 58 | PM2.5 |
| Februarycleanest | 28 | 29 | 0 | 55 | PM2.5 |
| March | 31 | 45 | 0 | 77 | O3 |
| April | 30 | 48 | 0 | 71 | O3 |
| May | 31 | 44 | 0 | 60 | O3 |
| Juneworst | 30 | 48 | 0 | 77 | O3 |
| July | 31 | 44 | 0 | 61 | PM2.5 |
| August | 31 | 38 | 0 | 72 | O3 |
| September | 30 | 45 | 0 | 74 | O3 |
| October | 31 | 34 | 0 | 52 | O3 |
| November | 30 | 41 | 0 | 76 | PM2.5 |
| December | 31 | 37 | 0 | 63 | PM2.5 |
How 2025 compares
Among the 7 years EPA has published for the area (2019–2025), 2025 ranks 2nd cleanest by days above AQI 100.
2025's median of 42 is in line with 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.