Hourly Weather | Today Wednesday, May 20, 2026
Springfield, Illinois
5 PM
Cloudy Weather
70°
Feels Like 72°
5
Humidity: 45%
UV Index: 3
Wind: 10 mph
6 PM
Cloudy Weather
68°
Feels Like 66°
5
Humidity: 47%
UV Index: 2
Wind: 9 mph
7 PM
Cloudy Weather
66°
Feels Like 64°
3
Humidity: 51%
UV Index: 1
Wind: 9 mph
8 PM
Cloudy Weather
64°
Feels Like 63°
0
Humidity: 51%
UV Index: 0
Wind: 9 mph
9 PM
Cloudy Night
61°
Feels Like 57°
0
Humidity: 55%
UV Index: 0
Wind: 9 mph
10 PM
Cloudy Night
57°
Feels Like 55°
0
Humidity: 57%
UV Index: 0
Wind: 9 mph
11 PM
Cloudy Night
55°
Feels Like 52°
0
Humidity: 61%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4 µg/m³
  • PM10: 4.43 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.2 ppb
  • SO2: 1.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.5 µg/m³
  • PM10: 4.97 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.5 ppb
  • SO2: 1.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.01 µg/m³
  • PM10: 5.53 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.8 ppb
  • SO2: 1.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.59 µg/m³
  • PM10: 6.17 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.2 ppb
  • SO2: 1.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.19 µg/m³
  • PM10: 6.84 µg/m³
  • O3: 0.041 ppm
  • NO2: 2.3 ppb
  • SO2: 1.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.68 µg/m³
  • PM10: 7.38 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.5 ppb
  • SO2: 1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.84 µg/m³
  • PM10: 7.55 µg/m³
  • O3: 0.039 ppm
  • NO2: 2.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.12 ppm

Health Recommendations:

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