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
16.21 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
58.80 μg/m³
0
55
155
255
425
605+
48.90 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
2.54 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Chapel Hill, North Carolina
Chapel Hill, North Carolina
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AQI 64
Moderate
15.98μg/m³
PM2.5
63.12μg/m³
PM10
24.65ppb
O3
0.41ppb
SO2
4.96ppb
NO2
0.29ppm
CO
AQI 67
Moderate
17.76μg/m³
PM2.5
71.78μg/m³
PM10
27.39ppb
O3
0.40ppb
SO2
5.82ppb
NO2
0.28ppm
CO
AQI 69
Moderate
19.46μg/m³
PM2.5
68.21μg/m³
PM10
25.32ppb
O3
0.32ppb
SO2
7.08ppb
NO2
0.29ppm
CO
AQI 69
Moderate
18.84μg/m³
PM2.5
48.37μg/m³
PM10
24.93ppb
O3
0.44ppb
SO2
5.76ppb
NO2
0.28ppm
CO
AQI 56
Moderate
11.77μg/m³
PM2.5
28.93μg/m³
PM10
26.83ppb
O3
0.42ppb
SO2
6.08ppb
NO2
0.30ppm
CO
AQI 69
Moderate
19.46μg/m³
PM2.5
69.65μg/m³
PM10
25.43ppb
O3
0.32ppb
SO2
6.92ppb
NO2
0.29ppm
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 2025-06-24.
In the last 24 hours, the best air quality in Chapel Hill, North Carolina was observed at 07:00:00 on 2025-06-23.
As of now, the AQI in Chapel Hill, North Carolina is 69, 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 18.602 μg/m3.
The PM10 concentration in Chapel Hill, North Carolina is 61.148 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Chapel Hill, North Carolina is 0.28 ppm.
Currently, Chapel Hill, North Carolina has a sulfur dioxide (SO2) concentration of 0.554 ppb.
The current ozone (O3) level in Chapel Hill, North Carolina at the moment is 31.946 ppm.
Nitrogen dioxide (NO2) level in Chapel Hill, North Carolina at the moment is 4.878 ppb.
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