Hourly Weather | Today › Thursday, October 29, 2026
Rockford, Illinois
5 PM
Cloudy Weather
64°
Feels Like 64°
7
Humidity: 36%
UV Index: 1
Wind: 9 mph
6 PM
Cloudy Night
61°
Feels Like 59°
7
Humidity: 42%
UV Index: 0
Wind: 7 mph
7 PM
Cloudy Night
55°
Feels Like 55°
5
Humidity: 52%
UV Index: 0
Wind: 6 mph
8 PM
Night
54°
Feels Like 54°
0
Humidity: 58%
UV Index: 0
Wind: 5 mph
9 PM
Night
52°
Feels Like 52°
0
Humidity: 66%
UV Index: 0
Wind: 5 mph
10 PM
Night
48°
Feels Like 48°
0
Humidity: 74%
UV Index: 0
Wind: 5 mph
11 PM
Night
46°
Feels Like 46°
0
Humidity: 80%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.09 µg/m³
  • PM10: 4.34 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.22 µg/m³
  • PM10: 4.5 µg/m³
  • O3: 0.039 ppm
  • NO2: 2.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.3 µg/m³
  • PM10: 4.63 µg/m³
  • O3: 0.036 ppm
  • NO2: 3.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.31 µg/m³
  • PM10: 4.68 µg/m³
  • O3: 0.033 ppm
  • NO2: 4.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.39 µg/m³
  • PM10: 4.82 µg/m³
  • O3: 0.030 ppm
  • NO2: 5.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.45 µg/m³
  • PM10: 4.95 µg/m³
  • O3: 0.027 ppm
  • NO2: 5.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.47 µg/m³
  • PM10: 5.01 µg/m³
  • O3: 0.025 ppm
  • NO2: 5.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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