Hourly Weather | Today Thursday, February 5, 2026
Simi Valley, California
7 PM
Cloudy Night
68°
Feels Like 64°
0
Humidity: 32%
UV Index: 0
Wind: 9 mph
8 PM
Cloudy Night
66°
Feels Like 63°
0
Humidity: 41%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 51%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 60%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
61°
Feels Like 59°
0
Humidity: 63%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

7 PM
151 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 56.59 µg/m³
  • PM10: 73.69 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.28 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

8 PM
151 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 57.8 µg/m³
  • PM10: 76.92 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.27 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

9 PM
151 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 57.85 µg/m³
  • PM10: 78.6 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.27 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

10 PM
151 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 56.85 µg/m³
  • PM10: 78.93 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.26 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

11 PM
149 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 54.86 µg/m³
  • PM10: 77.94 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.25 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.