Hourly Weather | Today Sunday, August 30, 2026
Rockford, Illinois
2 AM
Cloudy Weather
70°
Feels Like 68°
38
Humidity: 77%
UV Index: 0
Wind: 7 mph
3 AM
Cloudy Night
70°
Feels Like 68°
32
Humidity: 78%
UV Index: 0
Wind: 8 mph
4 AM
Cloudy Weather
70°
Feels Like 66°
32
Humidity: 80%
UV Index: 0
Wind: 8 mph
5 AM
Cloudy Weather
68°
Feels Like 66°
37
Humidity: 81%
UV Index: 0
Wind: 8 mph
6 AM
Rainy Weather
66°
Feels Like 63°
40
Humidity: 86%
UV Index: 0
Wind: 8 mph
7 AM
Cloudy Weather
68°
Feels Like 66°
37
Humidity: 82%
UV Index: 0
Wind: 8 mph
8 AM
Cloudy Weather
70°
Feels Like 68°
20
Humidity: 83%
UV Index: 1
Wind: 9 mph
9 AM
Cloudy Weather
72°
Feels Like 72°
20
Humidity: 81%
UV Index: 1
Wind: 10 mph
10 AM
Cloudy Weather
73°
Feels Like 75°
20
Humidity: 77%
UV Index: 3
Wind: 12 mph
11 AM
Cloudy Weather
77°
Feels Like 81°
20
Humidity: 71%
UV Index: 4
Wind: 13 mph
12 PM
Cloudy Weather
81°
Feels Like 82°
20
Humidity: 67%
UV Index: 5
Wind: 13 mph
1 PM
Cloudy Weather
82°
Feels Like 84°
20
Humidity: 63%
UV Index: 5
Wind: 14 mph
2 PM
Cloudy Weather
82°
Feels Like 86°
19
Humidity: 60%
UV Index: 4
Wind: 14 mph
3 PM
Cloudy Weather
84°
Feels Like 88°
19
Humidity: 58%
UV Index: 3
Wind: 13 mph
4 PM
Cloudy Weather
86°
Feels Like 88°
24
Humidity: 57%
UV Index: 2
Wind: 12 mph
5 PM
Cloudy Weather
84°
Feels Like 88°
47
Humidity: 62%
UV Index: 2
Wind: 10 mph
6 PM
Sunny with a Chance of Thunderstorms
82°
Feels Like 82°
51
Humidity: 70%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Weather
81°
Feels Like 82°
47
Humidity: 72%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Weather
79°
Feels Like 82°
43
Humidity: 75%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Weather
75°
Feels Like 79°
47
Humidity: 80%
UV Index: 0
Wind: 6 mph
10 PM
Rainy Weather
73°
Feels Like 73°
51
Humidity: 84%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Weather
73°
Feels Like 75°
38
Humidity: 82%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

2 AM
52 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.79 µg/m³
  • PM10: 13.32 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.4 ppb
  • SO2: 1.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 AM
52 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.78 µg/m³
  • PM10: 13.34 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.3 ppb
  • SO2: 1.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 AM
52 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.93 µg/m³
  • PM10: 13.51 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.3 ppb
  • SO2: 1.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 AM
53 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.23 µg/m³
  • PM10: 13.77 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.3 ppb
  • SO2: 1.5 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 AM
53 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.49 µg/m³
  • PM10: 13.96 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.3 ppb
  • SO2: 1.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 AM
53 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.45 µg/m³
  • PM10: 13.86 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.4 ppb
  • SO2: 1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 AM
52 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.89 µg/m³
  • PM10: 13.25 µg/m³
  • O3: 0.035 ppm
  • NO2: 1.5 ppb
  • SO2: 0.8 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 12.01 µg/m³
  • PM10: 12.33 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

10 AM
46 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.02 µg/m³
  • PM10: 11.3 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

11 AM
42 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.05 µg/m³
  • PM10: 10.33 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

12 PM
40 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.65 µg/m³
  • PM10: 9.94 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

1 PM
40 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.71 µg/m³
  • PM10: 10.05 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

2 PM
43 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.28 µg/m³
  • PM10: 10.66 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.6 ppb
  • SO2: 0.7 ppb
  • CO: 0.10 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.02 µg/m³
  • PM10: 11.43 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.6 ppb
  • SO2: 0.7 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

4 PM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.68 µg/m³
  • PM10: 12.12 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.6 ppb
  • SO2: 0.8 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 12.22 µg/m³
  • PM10: 12.69 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.8 ppb
  • SO2: 0.9 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

6 PM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.57 µg/m³
  • PM10: 13.04 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.1 ppb
  • SO2: 0.9 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.69 µg/m³
  • PM10: 13.16 µg/m³
  • O3: 0.047 ppm
  • NO2: 1.4 ppb
  • SO2: 0.9 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.54 µg/m³
  • PM10: 12.99 µg/m³
  • O3: 0.047 ppm
  • NO2: 1.4 ppb
  • SO2: 0.9 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.27 µg/m³
  • PM10: 12.68 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.4 ppb
  • SO2: 0.8 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 11.85 µg/m³
  • PM10: 12.24 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.4 ppb
  • SO2: 0.8 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.34 µg/m³
  • PM10: 11.7 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.4 ppb
  • SO2: 0.8 ppb
  • CO: 0.11 ppm

Health Recommendations:

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