Chapel Hill, North Carolina
Hourly Air Quality Forecast - AQI (US EPA)
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.09 µg/m³
- PM10:
6.58 µg/m³
- O3:
0.053 ppm
- NO2:
0.6 ppb
- SO2:
0.3 ppb
- CO:
0.10 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:
5.75 µg/m³
- O3:
0.050 ppm
- NO2:
0.7 ppb
- SO2:
0.4 ppb
- CO:
0.10 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:
2.87 µg/m³
- PM10:
4.66 µg/m³
- O3:
0.044 ppm
- NO2:
0.7 ppb
- SO2:
0.5 ppb
- CO:
0.09 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:
2.27 µg/m³
- PM10:
3.84 µg/m³
- O3:
0.038 ppm
- NO2:
0.8 ppb
- SO2:
0.6 ppb
- CO:
0.09 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:
1.98 µg/m³
- PM10:
3.43 µg/m³
- O3:
0.032 ppm
- NO2:
1 ppb
- SO2:
0.7 ppb
- CO:
0.09 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
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