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Today Hourly 7 days 30 days Air Quality
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Hourly Weather | Today › Monday, January 19, 2026
Active Weather Warnings
Peoria, Illinois
4 AM
Cloudy Night
5°
Feels Like -17°
20
Humidity: 64%
Wind: 16 mph
UV Index: 0
5 AM
Cloudy Night
3°
Feels Like -18°
20
Humidity: 63%
Wind: 15 mph
UV Index: 0
6 AM
Cloudy Night
1°
Feels Like -20°
13
Humidity: 65%
Wind: 15 mph
UV Index: 0
7 AM
Cloudy Night
3°
Feels Like -18°
0
Humidity: 62%
Wind: 15 mph
UV Index: 0
8 AM
Cloudy Weather
1°
Feels Like -20°
0
Humidity: 61%
Wind: 15 mph
UV Index: 1
9 AM
Cloudy Weather
3°
Feels Like -17°
0
Humidity: 55%
Wind: 15 mph
UV Index: 1
10 AM
Cloudy Weather
5°
Feels Like -13°
0
Humidity: 50%
Wind: 16 mph
UV Index: 2
11 AM
Cloudy Weather
9°
Feels Like -9°
0
Humidity: 46%
Wind: 16 mph
UV Index: 2
12 PM
Cloudy Weather
9°
Feels Like -8°
0
Humidity: 43%
Wind: 16 mph
UV Index: 2
1 PM
Sunny Weather
10°
Feels Like -6°
0
Humidity: 40%
Wind: 16 mph
UV Index: 2
2 PM
Sunny Weather
12°
Feels Like -4°
0
Humidity: 38%
Wind: 16 mph
UV Index: 2
3 PM
Sunny Weather
12°
Feels Like -2°
0
Humidity: 38%
Wind: 15 mph
UV Index: 1
4 PM
Cloudy Weather
14°
Feels Like 0°
0
Humidity: 37%
Wind: 14 mph
UV Index: 1
5 PM
Cloudy Weather
12°
Feels Like -2°
0
Humidity: 42%
Wind: 12 mph
UV Index: 0
6 PM
Cloudy Night
12°
Feels Like 0°
0
Humidity: 44%
Wind: 9 mph
UV Index: 0
7 PM
Cloudy Night
10°
Feels Like 1°
0
Humidity: 47%
Wind: 8 mph
UV Index: 0
8 PM
Cloudy Night
10°
Feels Like 3°
0
Humidity: 48%
Wind: 8 mph
UV Index: 0
9 PM
Cloudy Night
12°
Feels Like 3°
0
Humidity: 49%
Wind: 7 mph
UV Index: 0
10 PM
Cloudy Night
12°
Feels Like 7°
0
Humidity: 50%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy Night
10°
Feels Like 9°
0
Humidity: 52%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

4 AM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

6 AM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

7 AM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

8 AM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

9 AM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

10 AM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.7 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 AM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

2 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.52 µg/m³
  • PM10: 0.58 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

3 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.62 µg/m³
  • PM10: 0.69 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

4 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.75 µg/m³
  • PM10: 0.83 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.89 µg/m³
  • PM10: 0.99 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.03 µg/m³
  • PM10: 1.15 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.25 µg/m³
  • PM10: 1.43 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.56 µg/m³
  • PM10: 1.8 µg/m³
  • O3: 0.038 ppm
  • NO2: 2.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.85 µg/m³
  • PM10: 2.15 µg/m³
  • O3: 0.037 ppm
  • NO2: 3.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.1 µg/m³
  • PM10: 2.43 µg/m³
  • O3: 0.036 ppm
  • NO2: 3.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.21 µg/m³
  • PM10: 2.54 µg/m³
  • O3: 0.036 ppm
  • NO2: 3.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Peoria

Moderate Expected Likely

Cold Weather Advisory

Cold Weather Advisory issued January 19 at 12:57AM CST until January 19 at 12:00PM CST by NWS Lincoln IL
Jan 19, 3:00 AM → Jan 19, 12:00 PM
WHAT: Very cold wind chills as low as 10 to 20 below zero.

WHERE: Portions of central, east central, and west central
Illinois.

WHEN: Until noon CST today.

IMPACTS: The dangerously cold wind chills as low as 20 below zero
could cause frostbite on exposed skin in as little as 30 minutes.
+ Read More
Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside. If you do not have heat in your home or lack shelter, you can call 211 or visit 211illinois.org for assistance locating appropriate shelter from the cold.
Updated: Jan 19, 2:14 AM Source: NWS Alert