Charlotte Air Quality in 2019
In 2019, Charlotte's air quality (Charlotte-Concord-Gastonia, NC-SC area) had a median daily AQI of 54 (Moderate) across 365 monitored days. 17 days (4.7%) reached Unhealthy for Sensitive Groups or worse, 146 were Good, and the year's peak AQI was 136 (Unhealthy for Sensitive Groups). Ground-level ozone set the daily AQI on 183 of those days. The cleanest month of 2019 was January (median AQI 48, 0 days above 100) and the worst was July (median 62, 6 days above 100, peak 133).
- Good: 40.0%
- Moderate: 55.3%
- Unhealthy for Sensitive Groups: 4.7%
- Unhealthy or worse: 0.0%
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How was Charlotte's air quality in 2019?
Moderate on a typical day: median AQI 54, with 17 days above AQI 100 out of 365 monitored — the 7th cleanest of 7 years on record for the area.
- ✓Peak AQI in 2019: 136 (Unhealthy for Sensitive Groups).
- ✓Ground-level ozone was the main pollutant on 183 days.
- ✓Cleanest month: January; worst: July.
Frequently asked questions
What was the average AQI in Charlotte in 2019?▾
EPA's Air Quality System puts Charlotte's (Charlotte-Concord-Gastonia, NC-SC) median daily AQI for 2019 at 54, which is Moderate. 17 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 136.
Which month had the worst air quality in Charlotte in 2019?▾
The cleanest month of 2019 was January (median AQI 48, 0 days above 100) and the worst was July (median 62, 6 days above 100, peak 133).
Was 2019 a good or bad year for Charlotte's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2019 ranks 7th cleanest by days above AQI 100 — the worst year on record here. 2019's median of 54 is in line with the area's typical annual median of 52.
Charlotte month by month in 2019
Charlotte air quality month by month, 2019 (Charlotte-Concord-Gastonia, NC-SC, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| Januarycleanest | 31 | 48 | 0 | 66 | PM2.5 |
| February | 28 | 53 | 0 | 73 | PM2.5 |
| March | 31 | 51 | 0 | 77 | PM2.5 |
| April | 30 | 54 | 0 | 80 | O3 |
| May | 31 | 51 | 0 | 80 | O3 |
| June | 30 | 57 | 1 | 108 | O3 |
| Julyworst | 31 | 62 | 6 | 133 | O3 |
| August | 31 | 64 | 3 | 112 | O3 |
| September | 30 | 71 | 5 | 136 | O3 |
| October | 31 | 46 | 2 | 105 | O3 |
| November | 30 | 57 | 0 | 71 | PM2.5 |
| December | 31 | 52 | 0 | 85 | PM2.5 |
How 2019 compares
Among the 7 years EPA has published for the area (2019–2025), 2019 ranks 7th cleanest by days above AQI 100 — the worst year on record here.
2019's median of 54 is in line with the area's typical annual median of 52.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Charlotte
The latest EPA AirNow observation puts Charlotte's AQI at 36 (PM2.5). The figures above are multi-year annual 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.