Hourly Weather | Today Monday, September 22, 2025
Elgin, Illinois
7 AM
Cloudy Weather
64°
Feels Like 64°
29
Humidity: 93%
Wind: 5 mph
UV Index: 0
8 AM
Cloudy Weather
64°
Feels Like 64°
20
Humidity: 95%
Wind: 6 mph
UV Index: 6
9 AM
Cloudy Weather
68°
Feels Like 70°
20
Humidity: 89%
Wind: 7 mph
UV Index: 12
10 AM
Cloudy Weather
72°
Feels Like 73°
20
Humidity: 83%
Wind: 7 mph
UV Index: 18
11 AM
Cloudy Weather
73°
Feels Like 75°
20
Humidity: 76%
Wind: 8 mph
UV Index: 26
12 PM
Cloudy Weather
75°
Feels Like 79°
20
Humidity: 68%
Wind: 8 mph
UV Index: 26
1 PM
Cloudy Weather
79°
Feels Like 81°
16
Humidity: 62%
Wind: 8 mph
UV Index: 29
2 PM
Cloudy Weather
79°
Feels Like 81°
7
Humidity: 59%
Wind: 8 mph
UV Index: 24
3 PM
Cloudy Weather
81°
Feels Like 81°
7
Humidity: 55%
Wind: 8 mph
UV Index: 18
4 PM
Cloudy Weather
79°
Feels Like 79°
7
Humidity: 57%
Wind: 8 mph
UV Index: 12
5 PM
Cloudy Weather
79°
Feels Like 77°
7
Humidity: 60%
Wind: 8 mph
UV Index: 9
6 PM
Cloudy Weather
75°
Feels Like 75°
7
Humidity: 65%
Wind: 7 mph
UV Index: 5
7 PM
Cloudy Night
73°
Feels Like 73°
6
Humidity: 74%
Wind: 6 mph
UV Index: 0
8 PM
Cloudy Weather
72°
Feels Like 70°
5
Humidity: 79%
Wind: 6 mph
UV Index: 0
9 PM
Cloudy Weather
70°
Feels Like 68°
5
Humidity: 85%
Wind: 6 mph
UV Index: 0
10 PM
Cloudy Weather
66°
Feels Like 66°
6
Humidity: 87%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy Weather
66°
Feels Like 64°
7
Humidity: 89%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

7 AM
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 20.15 µg/m³
  • PM10: 20.51 µg/m³
  • O₃: 14.65 ppb
  • NO₂: 14.66 ppb
  • SO₂: 1.22 ppb
  • CO: 271.66 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

8 AM
60 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 21.05 µg/m³
  • PM10: 21.37 µg/m³
  • O₃: 20.82 ppb
  • NO₂: 12.34 ppb
  • SO₂: 1.28 ppb
  • CO: 266.77 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

9 AM
61 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 21.24 µg/m³
  • PM10: 21.57 µg/m³
  • O₃: 27.00 ppb
  • NO₂: 10.03 ppb
  • SO₂: 1.33 ppb
  • CO: 261.88 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

10 AM
61 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 17.53 µg/m³
  • PM10: 17.92 µg/m³
  • O₃: 33.18 ppb
  • NO₂: 7.71 ppb
  • SO₂: 1.39 ppb
  • CO: 256.98 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

11 AM
61 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.03 µg/m³
  • PM10: 13.57 µg/m³
  • O₃: 41.81 ppb
  • NO₂: 5.88 ppb
  • SO₂: 1.33 ppb
  • CO: 233.90 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

12 PM
61 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.52 µg/m³
  • PM10: 13.15 µg/m³
  • O₃: 50.44 ppb
  • NO₂: 4.05 ppb
  • SO₂: 1.27 ppb
  • CO: 210.82 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

1 PM
61 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.20 µg/m³
  • PM10: 13.03 µg/m³
  • O₃: 59.07 ppb
  • NO₂: 2.22 ppb
  • SO₂: 1.20 ppb
  • CO: 187.74 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

2 PM
61 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.98 µg/m³
  • PM10: 12.93 µg/m³
  • O₃: 61.76 ppb
  • NO₂: 2.08 ppb
  • SO₂: 1.17 ppb
  • CO: 183.82 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

3 PM
61 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.76 µg/m³
  • PM10: 12.80 µg/m³
  • O₃: 64.45 ppb
  • NO₂: 1.93 ppb
  • SO₂: 1.13 ppb
  • CO: 179.90 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

4 PM
61 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.40 µg/m³
  • PM10: 12.50 µg/m³
  • O₃: 67.15 ppb
  • NO₂: 1.78 ppb
  • SO₂: 1.10 ppb
  • CO: 175.98 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

5 PM
61 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.56 µg/m³
  • PM10: 12.73 µg/m³
  • O₃: 58.30 ppb
  • NO₂: 7.30 ppb
  • SO₂: 1.21 ppb
  • CO: 217.79 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

6 PM
61 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.92 µg/m³
  • PM10: 13.90 µg/m³
  • O₃: 49.46 ppb
  • NO₂: 12.83 ppb
  • SO₂: 1.33 ppb
  • CO: 259.60 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

7 PM
61 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 17.32 µg/m³
  • PM10: 18.26 µg/m³
  • O₃: 40.61 ppb
  • NO₂: 18.35 ppb
  • SO₂: 1.45 ppb
  • CO: 301.41 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

8 PM
62 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 20.21 µg/m³
  • PM10: 21.12 µg/m³
  • O₃: 40.25 ppb
  • NO₂: 16.53 ppb
  • SO₂: 1.37 ppb
  • CO: 280.20 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

9 PM
63 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 19.78 µg/m³
  • PM10: 20.52 µg/m³
  • O₃: 39.89 ppb
  • NO₂: 14.71 ppb
  • SO₂: 1.29 ppb
  • CO: 258.99 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.