Somerville, Massachusetts
Hourly Air Quality Forecast - AQI (US EPA)
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
2.7 µg/m³
- PM10:
4.36 µg/m³
- O3:
0.044 ppm
- NO2:
1.1 ppb
- SO2:
0.4 ppb
- CO:
0.17 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:
3.22 µg/m³
- PM10:
4.83 µg/m³
- O3:
0.047 ppm
- NO2:
0.9 ppb
- SO2:
0.4 ppb
- CO:
0.17 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:
3.42 µg/m³
- PM10:
4.94 µg/m³
- O3:
0.048 ppm
- NO2:
0.9 ppb
- SO2:
0.4 ppb
- CO:
0.17 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:
3.41 µg/m³
- PM10:
4.87 µg/m³
- O3:
0.048 ppm
- NO2:
1 ppb
- SO2:
0.4 ppb
- CO:
0.17 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:
3.25 µg/m³
- PM10:
4.66 µg/m³
- O3:
0.047 ppm
- NO2:
1.5 ppb
- SO2:
0.4 ppb
- CO:
0.17 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:
3.1 µg/m³
- PM10:
4.52 µg/m³
- O3:
0.044 ppm
- NO2:
2.1 ppb
- SO2:
0.4 ppb
- CO:
0.17 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:
2.86 µg/m³
- PM10:
4.3 µg/m³
- O3:
0.042 ppm
- NO2:
2.3 ppb
- SO2:
0.4 ppb
- CO:
0.18 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:
2.53 µg/m³
- PM10:
3.95 µg/m³
- O3:
0.040 ppm
- NO2:
2.2 ppb
- SO2:
0.4 ppb
- CO:
0.18 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:
2.31 µg/m³
- PM10:
3.72 µg/m³
- O3:
0.039 ppm
- NO2:
2.1 ppb
- SO2:
0.4 ppb
- CO:
0.18 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:
2.25 µg/m³
- PM10:
3.69 µg/m³
- O3:
0.037 ppm
- NO2:
1.9 ppb
- SO2:
0.3 ppb
- CO:
0.18 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
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