Greensboro Air Quality in Summer
Across 2019–2025, Greensboro's summer (June–August) air quality had a median AQI of 49 (Good) over 644 monitored days in the Greensboro-High Point, NC area. 0.6% of summer days (4 of 644) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 50.9% of days. The cleanest summer on record here was 2025 (median AQI 43, 0 days above 100) and the worst was 2023 (median 58, 3 days above 100, peak AQI 131).
- Good: 53.6%
- Moderate: 45.8%
- Unhealthy for Sensitive Groups: 0.6%
- 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 summer?
Good on a typical day: median AQI 49 across 2019–2025, with 0.6% of summer days above AQI 100. Ground-level ozone is the main driver.
- ✓53.6% of summer days were Good (AQI 0–50), 45.8% Moderate (51–100).
- ✓4 days of 644 reached AQI 101+; the summer peak was 131.
- ✓Cleanest month: August; worst month: July.
Frequently asked questions
What is the air quality like in Greensboro in summer?▾
Across 2019–2025, the median daily AQI in Greensboro in summer was 49 (Good). 53.6% of days were Good, 45.8% Moderate, and 0.6% reached Unhealthy for Sensitive Groups or worse, based on 644 monitored days in EPA's Air Quality System.
Is summer a good time for outdoor exercise in Greensboro?▾
A typical summer day in Greensboro sits in the Good range (median AQI 49), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of summer days reached AQI 101+ in 2019–2025.
Which pollutant causes Greensboro's summer air quality problems?▾
Ground-level ozone set the daily AQI on 50.9% of summer days in Greensboro. The highest summer AQI recorded in 2019–2025 was 131 (Unhealthy for Sensitive Groups), in 2023.
Greensboro summer air quality, year by year
Greensboro summer 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 | 92 | 49 | 0 | 90 | O3 |
| 2020 | 92 | 47 | 0 | 88 | PM2.5 |
| 2021 | 92 | 50 | 0 | 100 | O3 |
| 2022 | 92 | 49 | 0 | 84 | PM2.5 |
| 2023worst | 92 | 58 | 3 | 131 | PM2.5 |
| 2024 | 92 | 51 | 1 | 122 | O3 |
| 2025cleanest | 92 | 43 | 0 | 77 | O3 |
What summer air means in Greensboro
A typical summer day in Greensboro sits in the Good range (median AQI 49), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of summer days reached AQI 101+ in 2019–2025.
Summer's median AQI of 49 is above Greensboro's whole-year median of 44, making it one of the area's dirtier periods. Nationally, the median Summer AQI across every EPA metro area (308,645 metro-days, 2019–2025) is 46, so Greensboro runs in line with the national Summer norm; 0.6% of its Summer days topped AQI 100 versus 3.6% nationally (below average).
Within the season, August is the cleanest month (median AQI 47, 0.5% of days above 100) and July the worst (median 51, 0.9% above 100).
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 season 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.