Hourly Weather | Today › Saturday, November 14, 2026
Cambridge, Massachusetts
7 PM
Rainy Weather
39°
Feels Like 34°
40
Humidity: 69%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Night
39°
Feels Like 36°
37
Humidity: 72%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
37°
Feels Like 34°
37
Humidity: 76%
UV Index: 0
Wind: 7 mph
10 PM
Rainy Night
37°
Feels Like 32°
40
Humidity: 79%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
37°
Feels Like 32°
37
Humidity: 81%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

7 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.54 µg/m³
  • PM10: 1.15 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

8 PM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.59 µg/m³
  • PM10: 1.24 µg/m³
  • O3: 0.029 ppm
  • NO2: 2.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

9 PM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.63 µg/m³
  • PM10: 1.31 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.66 µg/m³
  • PM10: 1.38 µg/m³
  • O3: 0.027 ppm
  • NO2: 2.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.66 µg/m³
  • PM10: 1.38 µg/m³
  • O3: 0.025 ppm
  • NO2: 2.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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