Chapel Hill, North Carolina
Hourly Air Quality Forecast - AQI (US EPA)
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
9.9 µg/m³
- PM10:
14.94 µg/m³
- O3:
0.020 ppm
- NO2:
7.5 ppb
- SO2:
0.7 ppb
- CO:
0.21 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
10.94 µg/m³
- PM10:
16.83 µg/m³
- O3:
0.018 ppm
- NO2:
8 ppb
- SO2:
0.6 ppb
- CO:
0.22 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.