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)
64
Moderate
Chapel Hill, North Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
16.32 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.17 μg/m³
0
55
155
255
425
605+
29.61 ppb
0
55
71
86
201
201+
0.51 ppb
0
36
76
186
605
1005+
9.83 ppb
0
54
101
361
1250
2050+
0.45 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Chapel Hill, North Carolina
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AQI 56
Moderate
11.99μg/m³
PM2.5
35.44μg/m³
PM10
29.40ppb
O3
0.40ppb
SO2
7.69ppb
NO2
0.47ppm
CO
AQI 67
Moderate
18.20μg/m³
PM2.5
29.31μg/m³
PM10
15.34ppb
O3
0.40ppb
SO2
22.70ppb
NO2
0.49ppm
CO
AQI 60
Moderate
14.24μg/m³
PM2.5
44.85μg/m³
PM10
31.30ppb
O3
0.40ppb
SO2
25.56ppb
NO2
0.57ppm
CO
AQI 62
Moderate
14.53μg/m³
PM2.5
46.33μg/m³
PM10
25.81ppb
O3
0.40ppb
SO2
16.60ppb
NO2
0.50ppm
CO
AQI 49
Good
9.46μg/m³
PM2.5
39.35μg/m³
PM10
27.66ppb
O3
0.38ppb
SO2
6.37ppb
NO2
0.42ppm
CO
AQI 60
Moderate
14.16μg/m³
PM2.5
45.25μg/m³
PM10
30.74ppb
O3
0.41ppb
SO2
25.26ppb
NO2
0.56ppm
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 01:00:00 on 2026-03-07.
In the last 24 hours, the best air quality in Chapel Hill, North Carolina was observed at 03:00:00 on 2026-03-06.
As of now, the AQI in Chapel Hill, North Carolina is 64, 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 16.316 μg/m3.
The PM10 concentration in Chapel Hill, North Carolina is 33.174 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Chapel Hill, North Carolina is 0.453 ppm.
Currently, Chapel Hill, North Carolina has a sulfur dioxide (SO2) concentration of 0.512 ppb.
The current ozone (O3) level in Chapel Hill, North Carolina at the moment is 29.606 ppm.
Nitrogen dioxide (NO2) level in Chapel Hill, North Carolina at the moment is 9.829 ppb.
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