Hourly Weather | Today › Tuesday, October 13, 2026
Medford, Massachusetts
9 PM
Cloudy Night
61°
Feels Like 55°
49
Humidity: 91%
UV Index: 0
Wind: 10 mph
10 PM
Cloudy Night
61°
Feels Like 57°
47
Humidity: 89%
UV Index: 0
Wind: 9 mph
11 PM
Cloudy Night
63°
Feels Like 59°
48
Humidity: 88%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 9.91 µg/m³
  • PM10: 15.34 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

10 PM
47 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.18 µg/m³
  • PM10: 16.53 µg/m³
  • O3: 0.046 ppm
  • NO2: 1 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

11 PM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.87 µg/m³
  • PM10: 17.04 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.9 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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