Hourly Weather | Today Tuesday, September 8, 2026
Worcester, Massachusetts
10 PM
Cloudy Night
64°
Feels Like 64°
0
Humidity: 82%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
63°
Feels Like 63°
0
Humidity: 83%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 8.82 µg/m³
  • PM10: 11.34 µg/m³
  • O3: 0.026 ppm
  • NO2: 8.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.53 µg/m³
  • PM10: 12.37 µg/m³
  • O3: 0.026 ppm
  • NO2: 7.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.18 ppm

Health Recommendations:

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