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)
33
Good
Chapel Hill, North Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.08 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.95 μg/m³
0
55
155
255
425
605+
15.78 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
2.24 ppb
0
54
101
361
1250
2050+
0.21 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 38
Good
6.95μg/m³
PM2.5
21.68μg/m³
PM10
17.64ppb
O3
0.43ppb
SO2
2.58ppb
NO2
0.20ppm
CO
AQI 38
Good
6.76μg/m³
PM2.5
14.42μg/m³
PM10
9.82ppb
O3
0.45ppb
SO2
2.80ppb
NO2
0.20ppm
CO
AQI 44
Good
7.85μg/m³
PM2.5
32.85μg/m³
PM10
16.31ppb
O3
0.35ppb
SO2
3.29ppb
NO2
0.20ppm
CO
AQI 38
Good
6.68μg/m³
PM2.5
21.68μg/m³
PM10
18.65ppb
O3
0.33ppb
SO2
2.79ppb
NO2
0.20ppm
CO
AQI 38
Good
6.84μg/m³
PM2.5
16.25μg/m³
PM10
21.49ppb
O3
0.41ppb
SO2
2.35ppb
NO2
0.20ppm
CO
AQI 44
Good
7.72μg/m³
PM2.5
31.33μg/m³
PM10
16.28ppb
O3
0.36ppb
SO2
3.22ppb
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 01:00:00 on 2026-09-06.
In the last 24 hours, the best air quality in Chapel Hill, North Carolina was observed at 04:00:00 on 2026-09-07.
As of now, the AQI in Chapel Hill, North Carolina is 33, indicating Good 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 6.077 μg/m3.
The PM10 concentration in Chapel Hill, North Carolina is 13.948 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Chapel Hill, North Carolina is 0.207 ppm.
Currently, Chapel Hill, North Carolina has a sulfur dioxide (SO2) concentration of 0.325 ppb.
The current ozone (O3) level in Chapel Hill, North Carolina at the moment is 15.779 ppm.
Nitrogen dioxide (NO2) level in Chapel Hill, North Carolina at the moment is 2.236 ppb.
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