Hourly Weather | Today Thursday, February 5, 2026
Springfield, Illinois
9 PM
Cloudy Night
28°
Feels Like 25°
0
Humidity: 80%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
28°
Feels Like 25°
0
Humidity: 83%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
28°
Feels Like 23°
0
Frost Risk: 93%
Humidity: 85%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

9 PM
50 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.04 µg/m³
  • PM10: 13.88 µg/m³
  • O3: 0.023 ppm
  • NO2: 8.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.84 µg/m³
  • PM10: 12.53 µg/m³
  • O3: 0.025 ppm
  • NO2: 7.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.23 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: 9.66 µg/m³
  • PM10: 11.22 µg/m³
  • O3: 0.025 ppm
  • NO2: 6.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.22 ppm

Health Recommendations:

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