Somerville, Massachusetts
Hourly Air Quality Forecast - AQI (US EPA)
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
3.58 µg/m³
- PM10:
4.38 µg/m³
- O3:
0.015 ppm
- NO2:
2.9 ppb
- SO2:
0.4 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:
3.5 µg/m³
- PM10:
4.32 µg/m³
- O3:
0.019 ppm
- NO2:
2.9 ppb
- SO2:
0.4 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:
4.01 µg/m³
- PM10:
4.83 µg/m³
- O3:
0.025 ppm
- NO2:
2.7 ppb
- SO2:
0.5 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:
4.62 µg/m³
- PM10:
5.34 µg/m³
- O3:
0.036 ppm
- NO2:
1.9 ppb
- SO2:
0.4 ppb
- CO:
0.12 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:
5.45 µg/m³
- PM10:
6.15 µg/m³
- O3:
0.042 ppm
- NO2:
1.6 ppb
- SO2:
0.4 ppb
- CO:
0.12 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:
6.03 µg/m³
- PM10:
6.72 µg/m³
- O3:
0.045 ppm
- NO2:
1.6 ppb
- SO2:
0.3 ppb
- CO:
0.12 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:
5.96 µg/m³
- PM10:
6.59 µg/m³
- O3:
0.045 ppm
- NO2:
1.7 ppb
- SO2:
0.3 ppb
- CO:
0.12 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:
5.43 µg/m³
- PM10:
6 µg/m³
- O3:
0.045 ppm
- NO2:
1.7 ppb
- SO2:
0.3 ppb
- CO:
0.12 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:
4.71 µg/m³
- PM10:
5.28 µg/m³
- O3:
0.044 ppm
- NO2:
1.7 ppb
- SO2:
0.3 ppb
- CO:
0.12 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:
3.98 µg/m³
- PM10:
4.63 µg/m³
- O3:
0.041 ppm
- NO2:
2 ppb
- SO2:
0.3 ppb
- CO:
0.11 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:
3.64 µg/m³
- PM10:
4.44 µg/m³
- O3:
0.037 ppm
- NO2:
3.1 ppb
- SO2:
0.3 ppb
- CO:
0.12 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:
4.65 µg/m³
- O3:
0.034 ppm
- NO2:
3.9 ppb
- SO2:
0.3 ppb
- CO:
0.12 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:
3.97 µg/m³
- PM10:
5.23 µg/m³
- O3:
0.032 ppm
- NO2:
4.3 ppb
- SO2:
0.3 ppb
- CO:
0.12 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:
4.66 µg/m³
- PM10:
6.3 µg/m³
- O3:
0.031 ppm
- NO2:
4.4 ppb
- SO2:
0.3 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:
5.77 µg/m³
- PM10:
7.94 µg/m³
- O3:
0.032 ppm
- NO2:
4.4 ppb
- SO2:
0.4 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
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