Hourly Weather | Today › Wednesday, October 28, 2026
Chico, California
4 PM
Cloudy Weather
72°
Feels Like 73°
0
Humidity: 25%
UV Index: 2
Wind: 6 mph
5 PM
Cloudy Weather
70°
Feels Like 70°
0
Humidity: 27%
UV Index: 1
Wind: 6 mph
6 PM
Cloudy Weather
64°
Feels Like 63°
0
Humidity: 32%
UV Index: 0
Wind: 5 mph
7 PM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 39%
UV Index: 0
Wind: 5 mph
8 PM
Cloudy Night
57°
Feels Like 57°
0
Humidity: 46%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Night
55°
Feels Like 54°
0
Humidity: 52%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
52°
Feels Like 52°
0
Humidity: 58%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
50°
Feels Like 50°
0
Humidity: 61%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.42 µg/m³
  • PM10: 2.4 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.48 µg/m³
  • PM10: 2.58 µg/m³
  • O3: 0.045 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.6 µg/m³
  • PM10: 2.91 µg/m³
  • O3: 0.041 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 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: 1.76 µg/m³
  • PM10: 3.32 µg/m³
  • O3: 0.036 ppm
  • NO2: 3.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 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: 1.92 µg/m³
  • PM10: 3.73 µg/m³
  • O3: 0.032 ppm
  • NO2: 4.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.05 µg/m³
  • PM10: 4.06 µg/m³
  • O3: 0.028 ppm
  • NO2: 4.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.18 µg/m³
  • PM10: 4.34 µg/m³
  • O3: 0.025 ppm
  • NO2: 5.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.27 µg/m³
  • PM10: 4.54 µg/m³
  • O3: 0.023 ppm
  • NO2: 5.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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