Hourly Weather | Today Saturday, April 4, 2026
Boston, Massachusetts
10 PM
Cloudy Weather
37°
Feels Like 28°
37
Humidity: 86%
UV Index: 0
Wind: 12 mph
11 PM
Rainy Weather
39°
Feels Like 28°
40
Humidity: 83%
UV Index: 0
Wind: 12 mph

Hourly Air Quality Forecast - AQI (US EPA)

10 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.92 µg/m³
  • PM10: 4.75 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.99 µg/m³
  • PM10: 5.05 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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