Greensboro Air Quality in August
Across 2019–2025, Greensboro's August air quality had a median AQI of 47 (Good) over 217 monitored days in the Greensboro-High Point, NC area. 0.5% of August days (1 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 55.3% of days. The cleanest August on record here was 2025 (median AQI 38, 0 days above 100) and the worst was 2024 (median 48, 1 day above 100, peak AQI 122).
- Good: 61.8%
- Moderate: 37.8%
- Unhealthy for Sensitive Groups: 0.5%
- 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 is the air in Greensboro in August?
Good on a typical day: median AQI 47 across 2019–2025, with 0.5% of August days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓61.8% of August days were Good (AQI 0–50), 37.8% Moderate (51–100).
- ✓1 day of 217 reached AQI 101+; the August peak was 122.
- ✓Best August: 2025; worst August: 2024.
Frequently asked questions
What is the air quality like in Greensboro in August?▾
Across 2019–2025, the median daily AQI in Greensboro in August was 47 (Good). 61.8% of days were Good, 37.8% Moderate, and 0.5% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.
Is August a good time for outdoor exercise in Greensboro?▾
A typical August day in Greensboro sits in the Good range (median AQI 47), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of August days reached AQI 101+ in 2019–2025.
Which pollutant causes Greensboro's August air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 55.3% of August days in Greensboro. The highest August AQI recorded in 2019–2025 was 122 (Unhealthy for Sensitive Groups), in 2024.
Greensboro August air quality, year by year
Greensboro August air quality by year (Greensboro-High Point, NC, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 31 | 49 | 0 | 74 | O3 |
| 2020 | 31 | 43 | 0 | 56 | PM2.5 |
| 2021 | 31 | 55 | 0 | 80 | PM2.5 |
| 2022 | 31 | 44 | 0 | 71 | PM2.5 |
| 2023 | 31 | 52 | 0 | 74 | PM2.5 |
| 2024worst | 31 | 48 | 1 | 122 | PM2.5 |
| 2025cleanest | 31 | 38 | 0 | 72 | O3 |
What August air means in Greensboro
A typical August day in Greensboro sits in the Good range (median AQI 47), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of August days reached AQI 101+ in 2019–2025.
August's median AQI of 47 is in line with Greensboro's whole-year median of 44, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median August AQI across every EPA metro area (104,152 metro-days, 2019–2025) is 45, so Greensboro runs in line with the national August norm; 0.5% of its August days topped AQI 100 versus 3.5% nationally (below average).
August is part of Greensboro's summer season (June, July, August); the summer page pools all three months.
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 month 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.