Greensboro Air Quality in Spring
Across 2019–2025, Greensboro's spring (March–May) air quality had a median AQI of 46 (Good) over 644 monitored days in the Greensboro-High Point, NC area. 0.2% of spring days (1 of 644) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 75.2% of days. The cleanest spring on record here was 2020 (median AQI 42, 0 days above 100) and the worst was 2023 (median 51, 1 day above 100, peak AQI 122).
- Good: 66.1%
- Moderate: 33.7%
- Unhealthy for Sensitive Groups: 0.2%
- 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 is the air in Greensboro in spring?
Good on a typical day: median AQI 46 across 2019–2025, with 0.2% of spring days above AQI 100. Ground-level ozone is the main driver.
- ✓66.1% of spring days were Good (AQI 0–50), 33.7% Moderate (51–100).
- ✓1 day of 644 reached AQI 101+; the spring peak was 122.
- ✓Cleanest month: March; worst month: April.
Frequently asked questions
What is the air quality like in Greensboro in spring?▾
Across 2019–2025, the median daily AQI in Greensboro in spring was 46 (Good). 66.1% of days were Good, 33.7% Moderate, and 0.2% reached Unhealthy for Sensitive Groups or worse, based on 644 monitored days in EPA's Air Quality System.
Is spring a good time for outdoor exercise in Greensboro?▾
A typical spring day in Greensboro sits in the Good range (median AQI 46), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of spring days reached AQI 101+ in 2019–2025.
Which pollutant causes Greensboro's spring air quality problems?▾
Ground-level ozone set the daily AQI on 75.2% of spring days in Greensboro. The highest spring AQI recorded in 2019–2025 was 122 (Unhealthy for Sensitive Groups), in 2023.
Greensboro spring air quality, year by year
Greensboro spring 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 | 46 | 0 | 84 | O3 |
| 2020cleanest | 92 | 42 | 0 | 63 | O3 |
| 2021 | 92 | 47 | 0 | 90 | O3 |
| 2022 | 92 | 49 | 0 | 80 | O3 |
| 2023worst | 92 | 51 | 1 | 122 | O3 |
| 2024 | 92 | 46 | 0 | 90 | O3 |
| 2025 | 92 | 46 | 0 | 77 | O3 |
What spring air means in Greensboro
A typical spring day in Greensboro sits in the Good range (median AQI 46), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of spring days reached AQI 101+ in 2019–2025.
Spring's median AQI of 46 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 Spring AQI across every EPA metro area (307,196 metro-days, 2019–2025) is 43, so Greensboro runs in line with the national Spring norm; 0.2% of its Spring days topped AQI 100 versus 0.8% nationally (about the same).
Within the season, March is the cleanest month (median AQI 44, 0.0% of days above 100) and April the worst (median 48, 0.5% 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.