Hourly Weather | Today Wednesday, December 24, 2025
Chicopee, Massachusetts
3 PM
Cloudy Weather
37°
Feels Like 30°
0
Humidity: 50%
Wind: 12 mph
UV Index: 1
4 PM
Cloudy Weather
37°
Feels Like 30°
0
Humidity: 52%
Wind: 9 mph
UV Index: 0
5 PM
Night
36°
Feels Like 28°
0
Humidity: 56%
Wind: 8 mph
UV Index: 0
6 PM
Night
32°
Feels Like 28°
0
Humidity: 62%
Wind: 6 mph
UV Index: 0
7 PM
Cloudy Night
32°
Feels Like 28°
0
Humidity: 64%
Wind: 6 mph
UV Index: 0
8 PM
Cloudy Night
28°
Feels Like 27°
0
Humidity: 70%
Wind: 4 mph
UV Index: 0
9 PM
Cloudy Night
25°
Feels Like 27°
0
Humidity: 77%
Wind: 4 mph
UV Index: 0
10 PM
Cloudy Night
25°
Feels Like 28°
0
Humidity: 78%
Wind: 1 mph
UV Index: 0
11 PM
Cloudy Night
25°
Feels Like 27°
0
Humidity: 79%
Wind: 2 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

3 PM
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.06 µg/m³
  • PM10: 2.1 µg/m³
  • O3: 0.027 ppm
  • NO2: 3.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

4 PM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.19 µg/m³
  • PM10: 2.42 µg/m³
  • O3: 0.026 ppm
  • NO2: 5 ppb
  • SO2: 0.5 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

5 PM
22 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.41 µg/m³
  • PM10: 2.88 µg/m³
  • O3: 0.024 ppm
  • NO2: 6.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.87 µg/m³
  • PM10: 3.73 µg/m³
  • O3: 0.021 ppm
  • NO2: 8.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.5 µg/m³
  • PM10: 4.85 µg/m³
  • O3: 0.020 ppm
  • NO2: 9.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.57 µg/m³
  • PM10: 6.6 µg/m³
  • O3: 0.017 ppm
  • NO2: 11.3 ppb
  • SO2: 0.9 ppb
  • CO: 0.23 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.96 µg/m³
  • PM10: 8.85 µg/m³
  • O3: 0.015 ppm
  • NO2: 12.6 ppb
  • SO2: 1 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.3 µg/m³
  • PM10: 10.99 µg/m³
  • O3: 0.014 ppm
  • NO2: 13.1 ppb
  • SO2: 1 ppb
  • CO: 0.26 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.37 µg/m³
  • PM10: 12.68 µg/m³
  • O3: 0.012 ppm
  • NO2: 13.7 ppb
  • SO2: 1.1 ppb
  • CO: 0.28 ppm

Health Recommendations:

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