Hourly Weather | Today Monday, April 27, 2026
Worcester, Massachusetts
6 PM
Cloudy Weather
64°
Feels Like 64°
0
Humidity: 34%
UV Index: 2
Wind: 8 mph
7 PM
Cloudy Weather
63°
Feels Like 61°
0
Humidity: 36%
UV Index: 1
Wind: 7 mph
8 PM
Cloudy Night
57°
Feels Like 57°
0
Humidity: 43%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
54°
Feels Like 54°
0
Humidity: 49%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
52°
Feels Like 50°
0
Humidity: 57%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
46°
Feels Like 46°
0
Humidity: 66%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.68 µg/m³
  • PM10: 7.64 µg/m³
  • O3: 0.052 ppm
  • NO2: 3 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.96 µg/m³
  • PM10: 7.14 µg/m³
  • O3: 0.045 ppm
  • NO2: 4.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.52 µg/m³
  • PM10: 6.92 µg/m³
  • O3: 0.040 ppm
  • NO2: 6.2 ppb
  • SO2: 0.2 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: 5.11 µg/m³
  • PM10: 6.64 µg/m³
  • O3: 0.036 ppm
  • NO2: 6.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.1 µg/m³
  • PM10: 6.84 µg/m³
  • O3: 0.032 ppm
  • NO2: 6.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.48 µg/m³
  • PM10: 7.44 µg/m³
  • O3: 0.028 ppm
  • NO2: 7.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.19 ppm

Health Recommendations:

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