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)
49
Good
Chapel Hill, North Carolina
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.88 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
46.72 μg/m³
0
55
155
255
425
605+
45.96 ppb
0
55
71
86
201
201+
0.26 ppb
0
36
76
186
605
1005+
7.82 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Chapel Hill, North Carolina
Chapel Hill, North Carolina
Scroll To Air Quality MapLoading...
AQI 54
Moderate
11.18μg/m³
PM2.5
33.09μg/m³
PM10
23.94ppb
O3
0.26ppb
SO2
10.97ppb
NO2
0.34ppm
CO
AQI 54
Moderate
10.53μg/m³
PM2.5
41.24μg/m³
PM10
21.31ppb
O3
0.31ppb
SO2
12.60ppb
NO2
0.36ppm
CO
AQI 56
Moderate
11.91μg/m³
PM2.5
27.59μg/m³
PM10
26.53ppb
O3
0.32ppb
SO2
13.44ppb
NO2
0.39ppm
CO
AQI 56
Moderate
11.60μg/m³
PM2.5
30.58μg/m³
PM10
25.54ppb
O3
0.29ppb
SO2
11.96ppb
NO2
0.35ppm
CO
AQI 52
Moderate
9.62μg/m³
PM2.5
27.01μg/m³
PM10
20.29ppb
O3
0.25ppb
SO2
11.08ppb
NO2
0.33ppm
CO
AQI 56
Moderate
11.72μg/m³
PM2.5
27.92μg/m³
PM10
25.64ppb
O3
0.32ppb
SO2
13.39ppb
NO2
0.38ppm
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 09:00:00 on 2025-10-21.
In the last 24 hours, the best air quality in Chapel Hill, North Carolina was observed at 02:00:00 on 2025-10-21.
As of now, the AQI in Chapel Hill, North Carolina is 54, 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 11.232 μg/m3.
The PM10 concentration in Chapel Hill, North Carolina is 32.711 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Chapel Hill, North Carolina is 0.348 ppm.
Currently, Chapel Hill, North Carolina has a sulfur dioxide (SO2) concentration of 0.307 ppb.
The current ozone (O3) level in Chapel Hill, North Carolina at the moment is 24.268 ppm.
Nitrogen dioxide (NO2) level in Chapel Hill, North Carolina at the moment is 11.2 ppb.
All Rights Reserved © Ambee Inc. 2025