Hourly Weather | Today Tuesday, January 13, 2026
Worcester, Massachusetts
6 PM
Cloudy Night
39°
Feels Like 32°
0
Humidity: 55%
Wind: 10 mph
UV Index: 0
7 PM
Cloudy Weather
39°
Feels Like 28°
1
Humidity: 57%
Wind: 14 mph
UV Index: 0
8 PM
Cloudy Weather
37°
Feels Like 27°
1
Humidity: 61%
Wind: 14 mph
UV Index: 0
9 PM
Cloudy Weather
37°
Feels Like 25°
1
Humidity: 67%
Wind: 15 mph
UV Index: 0
10 PM
Cloudy Weather
34°
Feels Like 21°
0
Humidity: 80%
Wind: 15 mph
UV Index: 0
11 PM
Cloudy Weather
37°
Feels Like 25°
0
Humidity: 75%
Wind: 15 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

6 PM
48 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.48 µg/m³
  • PM10: 16.1 µg/m³
  • O3: 0.028 ppm
  • NO2: 10.5 ppb
  • SO2: 2 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

7 PM
38 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.06 µg/m³
  • PM10: 12.94 µg/m³
  • O3: 0.031 ppm
  • NO2: 6.9 ppb
  • SO2: 1.4 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

8 PM
32 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.63 µg/m³
  • PM10: 11.34 µg/m³
  • O3: 0.034 ppm
  • NO2: 4.4 ppb
  • SO2: 1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.07 µg/m³
  • PM10: 11.48 µg/m³
  • O3: 0.035 ppm
  • NO2: 3 ppb
  • SO2: 0.9 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.97 µg/m³
  • PM10: 12.61 µg/m³
  • O3: 0.036 ppm
  • NO2: 2.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.99 µg/m³
  • PM10: 13.37 µg/m³
  • O3: 0.037 ppm
  • NO2: 2.8 ppb
  • SO2: 1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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