Somerville, Massachusetts
Hourly Air Quality Forecast - AQI (US EPA)
Moderate air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
14.46 µg/m³
- PM10:
17.04 µg/m³
- O3:
0.024 ppm
- NO2:
17.3 ppb
- SO2:
0.6 ppb
- CO:
0.30 ppm
Health Recommendations:
Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.
Moderate air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
15.21 µg/m³
- PM10:
17.96 µg/m³
- O3:
0.022 ppm
- NO2:
17.8 ppb
- SO2:
0.6 ppb
- CO:
0.31 ppm
Health Recommendations:
Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.