Hourly Weather | Today Thursday, February 5, 2026
Chicopee, Massachusetts
10 PM
Cloudy Night
10°
Feels Like
0
Humidity: 88%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
Feels Like
0
Frost Risk: 100%
Humidity: 87%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

10 PM
70 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.14 µg/m³
  • PM10: 28.09 µg/m³
  • O3: 0.010 ppm
  • NO2: 25 ppb
  • SO2: 1.1 ppb
  • CO: 0.43 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM
65 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.1 µg/m³
  • PM10: 24.97 µg/m³
  • O3: 0.011 ppm
  • NO2: 22.4 ppb
  • SO2: 1 ppb
  • CO: 0.39 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.