Hourly Weather | Today › Monday, October 12, 2026
Somerville, Massachusetts
11 PM
Cloudy Weather
61°
Feels Like 61°
6
Humidity: 81%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 PM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.1 µg/m³
  • PM10: 4 µg/m³
  • O3: 0.035 ppm
  • NO2: 3.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.