❮
Today Hourly 7 days 30 days Air Quality
❯
Hourly Weather | Today › Tuesday, January 13, 2026
Active Weather Warnings
Simi Valley, California
6 PM
Night
66°
Feels Like 63°
0
Humidity: 27%
Wind: 15 mph
UV Index: 0
7 PM
Night
64°
Feels Like 59°
0
Humidity: 32%
Wind: 16 mph
UV Index: 0
8 PM
Night
63°
Feels Like 55°
0
Humidity: 34%
Wind: 15 mph
UV Index: 0
9 PM
Night
61°
Feels Like 55°
0
Humidity: 35%
Wind: 15 mph
UV Index: 0
10 PM
Night
61°
Feels Like 55°
0
Humidity: 35%
Wind: 15 mph
UV Index: 0
11 PM
Night
61°
Feels Like 54°
0
Humidity: 36%
Wind: 15 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

6 PM
82 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 27.01 µg/m³
  • PM10: 37.62 µg/m³
  • O3: 0.047 ppm
  • NO2: 6.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.27 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
74 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 23.36 µg/m³
  • PM10: 32.61 µg/m³
  • O3: 0.045 ppm
  • NO2: 4.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.25 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM
68 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 20.33 µg/m³
  • PM10: 28.45 µg/m³
  • O3: 0.044 ppm
  • NO2: 3.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.22 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM
62 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 17.48 µg/m³
  • PM10: 24.64 µg/m³
  • O3: 0.043 ppm
  • NO2: 2.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.20 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM
56 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.89 µg/m³
  • PM10: 21.22 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM
52 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.01 µg/m³
  • PM10: 18.77 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Simi Valley

Moderate Expected Likely

Wind Advisory

Wind Advisory issued January 13 at 12:55PM PST until January 14 at 2:00PM PST by NWS Los Angeles/Oxnard CA
Jan 13, 12:55 PM → Jan 14, 2:00 PM
WHAT: Northeast winds 15 to 25 mph with gusts up to 40 mph.

WHERE: Calabasas and Agoura Hills, Central Ventura County
Valleys, Santa Clarita Valley, and Southeastern Ventura County
Valleys.

WHEN: Until 2 PM PST Wednesday.

IMPACTS: Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
Gusty cross winds could make driving difficult.
+ Read More
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Updated: Jan 13, 3:25 PM Source: NWS Alert