Hourly Weather | Today Wednesday, November 12, 2025
Worcester, Massachusetts
7 AM
Cloudy Weather
32°
Feels Like 21°
47
Humidity: 76%
Wind: 12 mph
UV Index: 0
8 AM
Snowy Weather
32°
Feels Like 19°
55
Humidity: 75%
Wind: 13 mph
UV Index: 0
9 AM
Snowy Weather
34°
Feels Like 19°
55
Humidity: 74%
Wind: 14 mph
UV Index: 0
10 AM
Cloudy Weather
36°
Feels Like 23°
24
Humidity: 71%
Wind: 15 mph
UV Index: 1
11 AM
Cloudy Weather
37°
Feels Like 27°
19
Humidity: 65%
Wind: 15 mph
UV Index: 1
12 PM
Cloudy Weather
39°
Feels Like 28°
13
Humidity: 60%
Wind: 15 mph
UV Index: 1
1 PM
Cloudy Weather
39°
Feels Like 28°
0
Humidity: 57%
Wind: 17 mph
UV Index: 1
2 PM
Cloudy Weather
41°
Feels Like 30°
0
Humidity: 54%
Wind: 16 mph
UV Index: 1
3 PM
Cloudy Weather
39°
Feels Like 30°
0
Humidity: 57%
Wind: 14 mph
UV Index: 0
4 PM
Cloudy Weather
39°
Feels Like 28°
0
Humidity: 60%
Wind: 14 mph
UV Index: 0
5 PM
Cloudy Weather
37°
Feels Like 27°
0
Humidity: 66%
Wind: 13 mph
UV Index: 0
6 PM
Cloudy Weather
37°
Feels Like 27°
0
Humidity: 68%
Wind: 13 mph
UV Index: 0
7 PM
Cloudy Night
36°
Feels Like 25°
0
Humidity: 72%
Wind: 15 mph
UV Index: 0
8 PM
Cloudy Night
36°
Feels Like 25°
0
Humidity: 74%
Wind: 15 mph
UV Index: 0
9 PM
Cloudy Night
37°
Feels Like 25°
0
Humidity: 77%
Wind: 15 mph
UV Index: 0
10 PM
Cloudy Night
37°
Feels Like 25°
0
Humidity: 79%
Wind: 15 mph
UV Index: 0
11 PM
Cloudy Night
37°
Feels Like 25°
0
Humidity: 81%
Wind: 16 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

7 AM
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.24 µg/m³
  • PM10: 5.89 µg/m³
  • O3: 0.027 ppm
  • NO2: 7 ppb
  • SO2: 1.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

8 AM
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.69 µg/m³
  • PM10: 6.6 µg/m³
  • O3: 0.027 ppm
  • NO2: 8 ppb
  • SO2: 1.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

9 AM
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.71 µg/m³
  • PM10: 6.89 µg/m³
  • O3: 0.027 ppm
  • NO2: 9 ppb
  • SO2: 1.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.72 µg/m³
  • PM10: 7.21 µg/m³
  • O3: 0.027 ppm
  • NO2: 9.4 ppb
  • SO2: 1.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

11 AM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.97 µg/m³
  • PM10: 7.72 µg/m³
  • O3: 0.028 ppm
  • NO2: 9.5 ppb
  • SO2: 1.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.46 µg/m³
  • PM10: 8.43 µg/m³
  • O3: 0.028 ppm
  • NO2: 9.7 ppb
  • SO2: 1.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.2 µg/m³
  • PM10: 9.36 µg/m³
  • O3: 0.028 ppm
  • NO2: 10.3 ppb
  • SO2: 1.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

2 PM
25 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.07 µg/m³
  • PM10: 10.48 µg/m³
  • O3: 0.027 ppm
  • NO2: 11.3 ppb
  • SO2: 1.7 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

3 PM
26 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.27 µg/m³
  • PM10: 10.72 µg/m³
  • O3: 0.026 ppm
  • NO2: 12.7 ppb
  • SO2: 1.8 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

4 PM
25 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.92 µg/m³
  • PM10: 10.09 µg/m³
  • O3: 0.025 ppm
  • NO2: 13 ppb
  • SO2: 1.8 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.66 µg/m³
  • PM10: 9.49 µg/m³
  • O3: 0.025 ppm
  • NO2: 12.6 ppb
  • SO2: 1.7 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.8 µg/m³
  • PM10: 9.4 µg/m³
  • O3: 0.024 ppm
  • NO2: 12.5 ppb
  • SO2: 1.6 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.9 µg/m³
  • PM10: 9.35 µg/m³
  • O3: 0.023 ppm
  • NO2: 12.3 ppb
  • SO2: 1.6 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.49 µg/m³
  • PM10: 8.78 µg/m³
  • O3: 0.023 ppm
  • NO2: 12 ppb
  • SO2: 1.4 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.74 µg/m³
  • PM10: 7.82 µg/m³
  • O3: 0.022 ppm
  • NO2: 11.6 ppb
  • SO2: 1.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.03 µg/m³
  • PM10: 6.89 µg/m³
  • O3: 0.022 ppm
  • NO2: 11.1 ppb
  • SO2: 1.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.44 µg/m³
  • PM10: 6.09 µg/m³
  • O3: 0.022 ppm
  • NO2: 10.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.18 ppm

Health Recommendations:

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