Somerville, Massachusetts
Hourly Air Quality Forecast - AQI (US EPA)
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
6.79 µg/m³
- PM10:
7.61 µg/m³
- O3:
0.047 ppm
- NO2:
5.3 ppb
- SO2:
0.4 ppb
- CO:
0.20 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:
6.82 µg/m³
- PM10:
7.67 µg/m³
- O3:
0.047 ppm
- NO2:
6 ppb
- SO2:
0.4 ppb
- CO:
0.20 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:
7.2 µg/m³
- PM10:
8.09 µg/m³
- O3:
0.046 ppm
- NO2:
6.4 ppb
- SO2:
0.4 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:
O3
Details
Pollutant Concentrations:
- PM2.5:
7.95 µg/m³
- PM10:
8.95 µg/m³
- O3:
0.045 ppm
- NO2:
6.5 ppb
- SO2:
0.4 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:
O3
Details
Pollutant Concentrations:
- PM2.5:
9.15 µg/m³
- PM10:
10.27 µg/m³
- O3:
0.043 ppm
- NO2:
6.6 ppb
- SO2:
0.4 ppb
- CO:
0.22 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:
10.25 µg/m³
- PM10:
11.42 µg/m³
- O3:
0.042 ppm
- NO2:
6.7 ppb
- SO2:
0.5 ppb
- CO:
0.23 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:
10.31 µg/m³
- PM10:
11.48 µg/m³
- O3:
0.040 ppm
- NO2:
6.7 ppb
- SO2:
0.5 ppb
- CO:
0.23 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:
9.05 µg/m³
- PM10:
10.13 µg/m³
- O3:
0.039 ppm
- NO2:
6.2 ppb
- SO2:
0.5 ppb
- CO:
0.22 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
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