Stay updated with real-time air quality in Chapel Hill, North Carolina featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
56
Moderate
Chapel Hill, North Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
56.67 μg/m³
0
55
155
255
425
605+
11.02 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
8.39 ppb
0
54
101
361
1250
2050+
0.50 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Chapel Hill, North Carolina
Chapel Hill, North Carolina
Scroll To Air Quality MapLoading...
AQI 58
Moderate
9.31μg/m³
PM2.5
69.90μg/m³
PM10
8.04ppb
O3
0.27ppb
SO2
9.75ppb
NO2
0.55ppm
CO
AQI 62
Moderate
15.47μg/m³
PM2.5
22.43μg/m³
PM10
6.05ppb
O3
0.30ppb
SO2
7.81ppb
NO2
0.54ppm
CO
AQI 56
Moderate
12.18μg/m³
PM2.5
39.21μg/m³
PM10
6.99ppb
O3
0.30ppb
SO2
7.54ppb
NO2
0.59ppm
CO
AQI 55
Moderate
10.72μg/m³
PM2.5
63.09μg/m³
PM10
10.78ppb
O3
0.22ppb
SO2
9.33ppb
NO2
0.56ppm
CO
AQI 56
Moderate
11.63μg/m³
PM2.5
25.69μg/m³
PM10
6.70ppb
O3
0.25ppb
SO2
9.74ppb
NO2
0.54ppm
CO
AQI 56
Moderate
12.22μg/m³
PM2.5
39.90μg/m³
PM10
6.90ppb
O3
0.30ppb
SO2
7.62ppb
NO2
0.58ppm
CO
Air quality and pollutant data for North Carolina, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Chapel Hill, North Carolina is updated every hour for accuracy.
In the past 24 hours, the air quality in Chapel Hill, North Carolina was at its worst at 02:00:00 on 2025-12-07.
In the last 24 hours, the best air quality in Chapel Hill, North Carolina was observed at 12:00:00 on 2025-12-06.
As of now, the AQI in Chapel Hill, North Carolina is 56, indicating Moderate conditions.
Chapel Hill, North Carolina air has the highest levels of PM2.5.
Poor air quality in Chapel Hill, North Carolina means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Chapel Hill, North Carolina are currently 11.605 μg/m3.
The PM10 concentration in Chapel Hill, North Carolina is 56.669 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Chapel Hill, North Carolina is 0.5 ppm.
Currently, Chapel Hill, North Carolina has a sulfur dioxide (SO2) concentration of 0.332 ppb.
The current ozone (O3) level in Chapel Hill, North Carolina at the moment is 11.024 ppm.
Nitrogen dioxide (NO2) level in Chapel Hill, North Carolina at the moment is 8.388 ppb.
All Rights Reserved © Ambee Inc. 2025