Charlotte Air Quality in April
Across 2019–2025, Charlotte's April air quality had a median AQI of 52 (Moderate) over 210 monitored days in the Charlotte-Concord-Gastonia, NC-SC area. 0.0% of April days (0 of 210) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 59.0% of days. The cleanest April on record here was 2020 (median AQI 46, 0 days above 100) and the worst was 2024 (median 55, 0 days above 100, peak AQI 97).
- Good: 44.8%
- Moderate: 55.2%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
Extra Protection for Charlotte Homes
Air quality in Charlotte is moderate (AQI 73), 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 Charlotte in April?
Moderate on a typical day: median AQI 52 across 2019–2025, with 0.0% of April days above AQI 100. Ground-level ozone is the main driver.
- ✓44.8% of April days were Good (AQI 0–50), 55.2% Moderate (51–100).
- ✓0 days of 210 reached AQI 101+; the April peak was 100.
- ✓Best April: 2020; worst April: 2024.
Frequently asked questions
What is the air quality like in Charlotte in April?▾
Across 2019–2025, the median daily AQI in Charlotte in April was 52 (Moderate). 44.8% of days were Good, 55.2% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 210 monitored days in EPA's Air Quality System.
Is April a good time for outdoor exercise in Charlotte?▾
A typical April day in Charlotte is Moderate (median AQI 52): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and fewer than 1% of April days reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Which pollutant causes Charlotte's April air quality problems?▾
Ground-level ozone set the daily AQI on 59.0% of April days in Charlotte. The highest April AQI recorded in 2019–2025 was 100 (Moderate), in 2024.
Charlotte April air quality, year by year
Charlotte April air quality by year (Charlotte-Concord-Gastonia, NC-SC, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 30 | 54 | 0 | 80 | O3 |
| 2020cleanest | 30 | 46 | 0 | 60 | O3 |
| 2021 | 30 | 54 | 0 | 97 | O3 |
| 2022 | 30 | 52 | 0 | 80 | O3 |
| 2023 | 30 | 53 | 0 | 100 | O3 |
| 2024worst | 30 | 55 | 0 | 97 | O3 |
| 2025 | 30 | 53 | 0 | 87 | PM2.5 |
What April air means in Charlotte
A typical April day in Charlotte is Moderate (median AQI 52): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and fewer than 1% of April days reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
April's median AQI of 52 is in line with Charlotte's whole-year median of 52, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median April AQI across every EPA metro area (100,677 metro-days, 2019–2025) is 44, so Charlotte runs above the national April norm; 0.0% of its April days topped AQI 100 versus 0.7% nationally (about the same).
April is part of Charlotte's spring season (March, April, May); the spring page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Charlotte
The latest EPA AirNow observation puts Charlotte's AQI at 73 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Charlotte air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Charlotte-Concord-Gastonia, NC-SC), 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.