Hourly Weather | Today Wednesday, March 18, 2026
Springfield, Massachusetts
1 PM
Cloudy Weather
34°
Feels Like 37°
0
Humidity: 27%
UV Index: 5
Wind: 7 mph
2 PM
Cloudy Weather
34°
Feels Like 43°
0
Humidity: 24%
UV Index: 4
Wind: 6 mph
3 PM
Cloudy Weather
36°
Feels Like 39°
0
Humidity: 24%
UV Index: 4
Wind: 7 mph
4 PM
Cloudy Weather
36°
Feels Like 36°
0
Humidity: 25%
UV Index: 3
Wind: 8 mph
5 PM
Cloudy Weather
37°
Feels Like 36°
0
Humidity: 26%
UV Index: 2
Wind: 8 mph
6 PM
Cloudy Weather
36°
Feels Like 30°
0
Humidity: 30%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Weather
34°
Feels Like 28°
0
Humidity: 37%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
34°
Feels Like 28°
0
Humidity: 40%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
32°
Feels Like 27°
0
Humidity: 44%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
28°
Feels Like 25°
0
Humidity: 49%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
28°
Feels Like 23°
0
Humidity: 52%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.91 µg/m³
  • PM10: 4.17 µg/m³
  • O3: 0.047 ppm
  • NO2: 2.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

2 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.28 µg/m³
  • PM10: 4.79 µg/m³
  • O3: 0.048 ppm
  • NO2: 2.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.97 µg/m³
  • PM10: 5.91 µg/m³
  • O3: 0.050 ppm
  • NO2: 2.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.9 µg/m³
  • PM10: 7.38 µg/m³
  • O3: 0.051 ppm
  • NO2: 3.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.79 µg/m³
  • PM10: 8.72 µg/m³
  • O3: 0.051 ppm
  • NO2: 3.7 ppb
  • SO2: 0.8 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.82 µg/m³
  • PM10: 10.39 µg/m³
  • O3: 0.050 ppm
  • NO2: 5.4 ppb
  • SO2: 0.9 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.9 µg/m³
  • PM10: 12.44 µg/m³
  • O3: 0.047 ppm
  • NO2: 8.2 ppb
  • SO2: 1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.93 µg/m³
  • PM10: 14.44 µg/m³
  • O3: 0.045 ppm
  • NO2: 9.6 ppb
  • SO2: 1 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.58 µg/m³
  • PM10: 15.8 µg/m³
  • O3: 0.043 ppm
  • NO2: 9.6 ppb
  • SO2: 1 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.96 µg/m³
  • PM10: 16.61 µg/m³
  • O3: 0.042 ppm
  • NO2: 9.4 ppb
  • SO2: 1 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.32 µg/m³
  • PM10: 17.29 µg/m³
  • O3: 0.041 ppm
  • NO2: 9.3 ppb
  • SO2: 1 ppb
  • CO: 0.22 ppm

Health Recommendations:

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