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
11.85 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.25 μg/m³
0
55
155
255
425
605+
40.07 ppb
0
55
71
86
201
201+
0.31 ppb
0
36
76
186
605
1005+
7.58 ppb
0
54
101
361
1250
2050+
0.33 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 38
Good
5.11μg/m³
PM2.5
17.00μg/m³
PM10
41.34ppb
O3
0.38ppb
SO2
4.22ppb
NO2
0.20ppm
CO
AQI 41
Good
5.11μg/m³
PM2.5
21.05μg/m³
PM10
44.46ppb
O3
0.31ppb
SO2
4.78ppb
NO2
0.20ppm
CO
AQI 40
Good
5.39μg/m³
PM2.5
21.21μg/m³
PM10
42.70ppb
O3
0.28ppb
SO2
6.29ppb
NO2
0.20ppm
CO
AQI 38
Good
5.11μg/m³
PM2.5
16.67μg/m³
PM10
40.60ppb
O3
0.23ppb
SO2
4.55ppb
NO2
0.20ppm
CO
AQI 38
Good
5.66μg/m³
PM2.5
20.76μg/m³
PM10
41.00ppb
O3
0.40ppb
SO2
3.89ppb
NO2
0.20ppm
CO
AQI 40
Good
5.39μg/m³
PM2.5
21.39μg/m³
PM10
42.81ppb
O3
0.27ppb
SO2
6.10ppb
NO2
0.20ppm
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 12:00:00 on 2025-09-06.
In the last 24 hours, the best air quality in Chapel Hill, North Carolina was observed at 04:00:00 on 2025-09-05.
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 11.851 μg/m3.
The PM10 concentration in Chapel Hill, North Carolina is 33.251 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Chapel Hill, North Carolina is 0.327 ppm.
Currently, Chapel Hill, North Carolina has a sulfur dioxide (SO2) concentration of 0.31 ppb.
The current ozone (O3) level in Chapel Hill, North Carolina at the moment is 40.072 ppm.
Nitrogen dioxide (NO2) level in Chapel Hill, North Carolina at the moment is 7.578 ppb.
All Rights Reserved © Ambee Inc. 2025