Hourly Weather | Today Monday, September 21, 2026
Redding, California
4 PM
Cloudy Weather
90°
Feels Like 91°
0
Humidity: 21%
UV Index: 3
Wind: 7 mph
5 PM
Cloudy Weather
88°
Feels Like 88°
0
Humidity: 24%
UV Index: 2
Wind: 8 mph
6 PM
Cloudy Weather
84°
Feels Like 84°
0
Humidity: 28%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Weather
82°
Feels Like 81°
0
Humidity: 31%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Night
79°
Feels Like 75°
0
Humidity: 39%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
75°
Feels Like 73°
0
Humidity: 46%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
73°
Feels Like 72°
0
Humidity: 52%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Night
70°
Feels Like 68°
0
Humidity: 58%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 5.07 µg/m³
  • PM10: 7.27 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.11 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: 4.54 µg/m³
  • PM10: 6.52 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.12 µg/m³
  • PM10: 5.96 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.9 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.72 µg/m³
  • PM10: 5.47 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.5 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.34 µg/m³
  • PM10: 5.05 µg/m³
  • O3: 0.025 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.17 µg/m³
  • PM10: 4.89 µg/m³
  • O3: 0.021 ppm
  • NO2: 1.9 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.21 µg/m³
  • PM10: 5 µg/m³
  • O3: 0.018 ppm
  • NO2: 1.9 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.29 µg/m³
  • PM10: 5.13 µg/m³
  • O3: 0.017 ppm
  • NO2: 1.9 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

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