Somerville, Massachusetts
Hourly Air Quality Forecast - AQI (US EPA)
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
7.95 µg/m³
- PM10:
13.45 µg/m³
- O3:
0.030 ppm
- NO2:
7.7 ppb
- SO2:
0.9 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:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
9.02 µg/m³
- PM10:
14.98 µg/m³
- O3:
0.027 ppm
- NO2:
8.9 ppb
- SO2:
1 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:
9.99 µg/m³
- PM10:
16.27 µg/m³
- O3:
0.025 ppm
- NO2:
10 ppb
- SO2:
1 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:
10.81 µg/m³
- PM10:
17.32 µg/m³
- O3:
0.023 ppm
- NO2:
11.2 ppb
- SO2:
1.1 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:
11.21 µg/m³
- PM10:
17.84 µg/m³
- O3:
0.024 ppm
- NO2:
11.8 ppb
- SO2:
1.1 ppb
- CO:
0.24 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:
11.4 µg/m³
- PM10:
18.05 µg/m³
- O3:
0.027 ppm
- NO2:
10.6 ppb
- SO2:
1.2 ppb
- CO:
0.24 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:
11.68 µg/m³
- PM10:
18.19 µg/m³
- O3:
0.031 ppm
- NO2:
9.7 ppb
- SO2:
1.4 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:
11.73 µg/m³
- PM10:
17.95 µg/m³
- O3:
0.037 ppm
- NO2:
9.3 ppb
- SO2:
1.7 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:
11.95 µg/m³
- PM10:
18.06 µg/m³
- O3:
0.041 ppm
- NO2:
8.8 ppb
- SO2:
1.7 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:
11.92 µg/m³
- PM10:
17.9 µg/m³
- O3:
0.044 ppm
- NO2:
8.2 ppb
- SO2:
1.6 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:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
11.48 µg/m³
- PM10:
17.31 µg/m³
- O3:
0.047 ppm
- NO2:
7.5 ppb
- SO2:
1.5 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:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
11.18 µg/m³
- PM10:
16.97 µg/m³
- O3:
0.047 ppm
- NO2:
7.2 ppb
- SO2:
1.3 ppb
- CO:
0.19 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:
10.59 µg/m³
- PM10:
16.37 µg/m³
- O3:
0.047 ppm
- NO2:
7.2 ppb
- SO2:
1.2 ppb
- CO:
0.19 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:
9.79 µg/m³
- PM10:
15.54 µg/m³
- O3:
0.046 ppm
- NO2:
6.9 ppb
- SO2:
1 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:
9.03 µg/m³
- PM10:
14.78 µg/m³
- O3:
0.045 ppm
- NO2:
6 ppb
- SO2:
0.8 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:
8.34 µg/m³
- PM10:
14.07 µg/m³
- O3:
0.045 ppm
- NO2:
5 ppb
- SO2:
0.7 ppb
- CO:
0.16 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:
7.65 µg/m³
- PM10:
13.29 µg/m³
- O3:
0.045 ppm
- NO2:
3.9 ppb
- SO2:
0.5 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:
7.02 µg/m³
- PM10:
12.6 µg/m³
- O3:
0.045 ppm
- NO2:
3 ppb
- SO2:
0.4 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:
6.42 µg/m³
- PM10:
11.89 µg/m³
- O3:
0.045 ppm
- NO2:
2.4 ppb
- SO2:
0.3 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:
5.75 µg/m³
- PM10:
11.07 µg/m³
- O3:
0.045 ppm
- NO2:
1.9 ppb
- SO2:
0.3 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
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