Hourly Weather | Today Monday, April 27, 2026
Rockford, Illinois
6 PM
Cloudy Weather
66°
Feels Like 63°
49
Humidity: 82%
UV Index: 0
Wind: 18 mph
7 PM
Stormy Weather
64°
Feels Like 55°
61
Humidity: 84%
UV Index: 0
Wind: 17 mph
8 PM
Cloudy Weather
64°
Feels Like 59°
43
Humidity: 84%
UV Index: 0
Wind: 15 mph
9 PM
Stormy Weather
63°
Feels Like 54°
51
Humidity: 88%
UV Index: 0
Wind: 14 mph
10 PM
Cloudy Weather
63°
Feels Like 57°
47
Humidity: 87%
UV Index: 0
Wind: 13 mph
11 PM
Cloudy Night
61°
Feels Like 55°
34
Humidity: 83%
UV Index: 0
Wind: 14 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.13 µg/m³
  • PM10: 2.22 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.16 µg/m³
  • PM10: 2.25 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.93 µg/m³
  • PM10: 2.03 µg/m³
  • O3: 0.024 ppm
  • NO2: 1.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.68 µg/m³
  • PM10: 1.79 µg/m³
  • O3: 0.023 ppm
  • NO2: 1.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.59 µg/m³
  • PM10: 1.71 µg/m³
  • O3: 0.024 ppm
  • NO2: 1.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.81 µg/m³
  • PM10: 1.95 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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