Hourly Weather | Today Thursday, February 26, 2026
Simi Valley, California
2 AM
Cloudy Night
57°
Feels Like 55°
0
Humidity: 72%
UV Index: 0
Wind: 7 mph
3 AM
Cloudy Night
57°
Feels Like 55°
0
Humidity: 73%
UV Index: 0
Wind: 7 mph
4 AM
Cloudy Night
57°
Feels Like 55°
0
Humidity: 75%
UV Index: 0
Wind: 8 mph
5 AM
Cloudy Night
57°
Feels Like 55°
0
Humidity: 76%
UV Index: 0
Wind: 8 mph
6 AM
Cloudy Night
57°
Feels Like 54°
0
Humidity: 78%
UV Index: 0
Wind: 8 mph
7 AM
Cloudy Weather
59°
Feels Like 57°
0
Humidity: 74%
UV Index: 1
Wind: 8 mph
8 AM
Cloudy Weather
64°
Feels Like 64°
0
Humidity: 64%
UV Index: 2
Wind: 8 mph
9 AM
Cloudy Weather
70°
Feels Like 70°
0
Humidity: 58%
UV Index: 3
Wind: 7 mph
10 AM
Cloudy Weather
73°
Feels Like 75°
0
Humidity: 52%
UV Index: 4
Wind: 7 mph
11 AM
Cloudy Weather
75°
Feels Like 81°
0
Humidity: 46%
UV Index: 4
Wind: 7 mph
12 PM
Cloudy Weather
79°
Feels Like 82°
0
Humidity: 42%
UV Index: 5
Wind: 8 mph
1 PM
Cloudy Weather
82°
Feels Like 84°
0
Humidity: 38%
UV Index: 4
Wind: 8 mph
2 PM
Cloudy Weather
84°
Feels Like 84°
0
Humidity: 36%
UV Index: 4
Wind: 8 mph
3 PM
Cloudy Weather
82°
Feels Like 82°
0
Humidity: 38%
UV Index: 3
Wind: 9 mph
4 PM
Cloudy Weather
81°
Feels Like 79°
0
Humidity: 41%
UV Index: 2
Wind: 9 mph
5 PM
Cloudy Weather
77°
Feels Like 75°
0
Humidity: 44%
UV Index: 1
Wind: 9 mph
6 PM
Cloudy Night
73°
Feels Like 72°
0
Humidity: 47%
UV Index: 0
Wind: 9 mph
7 PM
Cloudy Night
72°
Feels Like 68°
0
Humidity: 52%
UV Index: 0
Wind: 9 mph
8 PM
Night
68°
Feels Like 64°
0
Humidity: 57%
UV Index: 0
Wind: 9 mph
9 PM
Night
66°
Feels Like 64°
0
Humidity: 59%
UV Index: 0
Wind: 9 mph
10 PM
Night
66°
Feels Like 63°
0
Humidity: 60%
UV Index: 0
Wind: 9 mph
11 PM
Night
64°
Feels Like 63°
0
Humidity: 62%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

2 AM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.14 µg/m³
  • PM10: 10.82 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

3 AM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.31 µg/m³
  • PM10: 10.99 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.55 µg/m³
  • PM10: 11.27 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.85 µg/m³
  • PM10: 11.62 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.18 µg/m³
  • PM10: 12.02 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.3 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
27 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.49 µg/m³
  • PM10: 12.41 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.4 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
28 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.83 µg/m³
  • PM10: 12.85 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.4 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
30 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.29 µg/m³
  • PM10: 13.49 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.3 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
33 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.95 µg/m³
  • PM10: 14.4 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

11 AM
37 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.85 µg/m³
  • PM10: 15.64 µg/m³
  • O3: 0.035 ppm
  • NO2: 1.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

12 PM
42 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.01 µg/m³
  • PM10: 17.19 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

1 PM
46 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.1 µg/m³
  • PM10: 18.62 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.

2 PM
48 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.63 µg/m³
  • PM10: 19.41 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

3 PM
48 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.57 µg/m³
  • PM10: 19.48 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

4 PM
47 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.37 µg/m³
  • PM10: 19.38 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

5 PM
47 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.38 µg/m³
  • PM10: 19.45 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

6 PM
47 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.38 µg/m³
  • PM10: 19.34 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.8 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 PM
48 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.4 µg/m³
  • PM10: 19.26 µg/m³
  • O3: 0.042 ppm
  • NO2: 1 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 PM
48 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.49 µg/m³
  • PM10: 19.29 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.1 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 PM
48 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.6 µg/m³
  • PM10: 19.33 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.3 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 PM
48 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.51 µg/m³
  • PM10: 19.12 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

11 PM
46 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.11 µg/m³
  • PM10: 18.46 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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