Chapel Hill, North Carolina
Hourly Air Quality Forecast - AQI (US EPA)
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.34 µg/m³
- PM10:
7.19 µg/m³
- O3:
0.041 ppm
- NO2:
1 ppb
- SO2:
0.2 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.41 µg/m³
- PM10:
6.93 µg/m³
- O3:
0.042 ppm
- NO2:
0.9 ppb
- SO2:
0.2 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.53 µg/m³
- PM10:
6.48 µg/m³
- O3:
0.043 ppm
- NO2:
1 ppb
- SO2:
0.1 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.56 µg/m³
- PM10:
5.94 µg/m³
- O3:
0.042 ppm
- NO2:
1.1 ppb
- SO2:
0.1 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.46 µg/m³
- PM10:
5.51 µg/m³
- O3:
0.042 ppm
- NO2:
1.1 ppb
- SO2:
0.1 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.14 µg/m³
- PM10:
4.93 µg/m³
- O3:
0.042 ppm
- NO2:
1.1 ppb
- SO2:
0.1 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
3.79 µg/m³
- PM10:
4.46 µg/m³
- O3:
0.041 ppm
- NO2:
1 ppb
- SO2:
0.1 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
3.6 µg/m³
- PM10:
4.23 µg/m³
- O3:
0.041 ppm
- NO2:
1 ppb
- SO2:
0.1 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
3.52 µg/m³
- PM10:
4.11 µg/m³
- O3:
0.040 ppm
- NO2:
1 ppb
- SO2:
0.1 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
3.44 µg/m³
- PM10:
3.94 µg/m³
- O3:
0.039 ppm
- NO2:
1.1 ppb
- SO2:
0.1 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
3.37 µg/m³
- PM10:
3.78 µg/m³
- O3:
0.039 ppm
- NO2:
1.2 ppb
- SO2:
0.1 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
3.37 µg/m³
- PM10:
3.86 µg/m³
- O3:
0.037 ppm
- NO2:
1.5 ppb
- SO2:
0.1 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
3.47 µg/m³
- PM10:
4.14 µg/m³
- O3:
0.034 ppm
- NO2:
1.8 ppb
- SO2:
0.1 ppb
- CO:
0.14 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
3.58 µg/m³
- PM10:
4.38 µg/m³
- O3:
0.032 ppm
- NO2:
2.1 ppb
- SO2:
0.1 ppb
- CO:
0.14 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
3.67 µg/m³
- PM10:
4.6 µg/m³
- O3:
0.031 ppm
- NO2:
2.2 ppb
- SO2:
0.1 ppb
- CO:
0.15 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
3.72 µg/m³
- PM10:
4.83 µg/m³
- O3:
0.030 ppm
- NO2:
2.2 ppb
- SO2:
0.1 ppb
- CO:
0.15 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
3.71 µg/m³
- PM10:
5 µg/m³
- O3:
0.028 ppm
- NO2:
2.2 ppb
- SO2:
0.1 ppb
- CO:
0.15 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
3.65 µg/m³
- PM10:
5.02 µg/m³
- O3:
0.025 ppm
- NO2:
2.2 ppb
- SO2:
0.1 ppb
- CO:
0.15 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
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