Hourly Weather | Today Tuesday, April 7, 2026
Rockford, Illinois
11 AM
Cloudy Weather
36°
Feels Like 37°
0
Humidity: 42%
UV Index: 5
Wind: 8 mph
12 PM
Cloudy Weather
37°
Feels Like 43°
0
Humidity: 39%
UV Index: 6
Wind: 7 mph
1 PM
Cloudy Weather
39°
Feels Like 46°
0
Humidity: 37%
UV Index: 6
Wind: 7 mph
2 PM
Cloudy Weather
43°
Feels Like 46°
0
Humidity: 36%
UV Index: 6
Wind: 7 mph
3 PM
Cloudy Weather
43°
Feels Like 46°
0
Humidity: 34%
UV Index: 5
Wind: 8 mph
4 PM
Cloudy Weather
45°
Feels Like 46°
0
Humidity: 33%
UV Index: 3
Wind: 8 mph
5 PM
Cloudy Weather
46°
Feels Like 46°
0
Humidity: 32%
UV Index: 2
Wind: 8 mph
6 PM
Cloudy Weather
45°
Feels Like 43°
0
Humidity: 34%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Weather
43°
Feels Like 37°
1
Humidity: 35%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Weather
39°
Feels Like 36°
7
Humidity: 39%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Weather
37°
Feels Like 32°
7
Humidity: 41%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Weather
37°
Feels Like 30°
6
Humidity: 44%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Weather
36°
Feels Like 28°
5
Humidity: 49%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 AM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.7 µg/m³
  • PM10: 2.23 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.7 ppb
  • SO2: 0.8 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

12 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.27 µg/m³
  • PM10: 2.75 µg/m³
  • O3: 0.047 ppm
  • NO2: 1.3 ppb
  • SO2: 0.8 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

1 PM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.29 µg/m³
  • PM10: 3.74 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.1 ppb
  • SO2: 0.8 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

2 PM
51 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.51 µg/m³
  • PM10: 4.96 µg/m³
  • O3: 0.054 ppm
  • NO2: 1 ppb
  • SO2: 0.8 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

3 PM
58 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.55 µg/m³
  • PM10: 6 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.9 ppb
  • SO2: 0.9 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

4 PM
63 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.29 µg/m³
  • PM10: 6.73 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.8 ppb
  • SO2: 0.9 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

5 PM
68 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.86 µg/m³
  • PM10: 7.31 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.9 ppb
  • SO2: 1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

6 PM
68 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.3 µg/m³
  • PM10: 7.76 µg/m³
  • O3: 0.060 ppm
  • NO2: 1.1 ppb
  • SO2: 1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

7 PM
65 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.28 µg/m³
  • PM10: 7.76 µg/m³
  • O3: 0.059 ppm
  • NO2: 1.5 ppb
  • SO2: 1.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

8 PM
62 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.07 µg/m³
  • PM10: 7.55 µg/m³
  • O3: 0.058 ppm
  • NO2: 1.7 ppb
  • SO2: 1.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

9 PM
57 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.78 µg/m³
  • PM10: 7.26 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.8 ppb
  • SO2: 1.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

10 PM
51 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.38 µg/m³
  • PM10: 6.87 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.9 ppb
  • SO2: 1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.75 µg/m³
  • PM10: 6.21 µg/m³
  • O3: 0.052 ppm
  • NO2: 1.9 ppb
  • SO2: 0.9 ppb
  • CO: 0.14 ppm

Health Recommendations:

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