Hourly Weather | Today Wednesday, October 1, 2025
Simi Valley, California
12 PM
Cloudy Weather
75°
Feels Like 81°
0
Humidity: 51%
Wind: 7 mph
UV Index: 49
1 PM
Cloudy Weather
79°
Feels Like 82°
0
Humidity: 47%
Wind: 7 mph
UV Index: 54
2 PM
Cloudy Weather
81°
Feels Like 84°
0
Humidity: 44%
Wind: 8 mph
UV Index: 49
3 PM
Cloudy Weather
79°
Feels Like 81°
0
Humidity: 46%
Wind: 8 mph
UV Index: 41
4 PM
Cloudy Weather
77°
Feels Like 79°
0
Humidity: 48%
Wind: 9 mph
UV Index: 29
5 PM
Cloudy Weather
75°
Feels Like 75°
0
Humidity: 51%
Wind: 8 mph
UV Index: 18
6 PM
Cloudy Weather
72°
Feels Like 70°
0
Humidity: 56%
Wind: 8 mph
UV Index: 8
7 PM
Cloudy Night
68°
Feels Like 66°
0
Humidity: 65%
Wind: 6 mph
UV Index: 0
8 PM
Night
64°
Feels Like 64°
0
Humidity: 75%
Wind: 5 mph
UV Index: 0
9 PM
Night
63°
Feels Like 61°
0
Humidity: 82%
Wind: 5 mph
UV Index: 0
10 PM
Night
59°
Feels Like 59°
0
Humidity: 91%
Wind: 4 mph
UV Index: 0
11 PM
Night
55°
Feels Like 55°
0
Humidity: 100%
Wind: 4 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

12 PM
54 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 10.35 µg/m³
  • PM10: 14.74 µg/m³
  • O₃: 36.98 ppb
  • NO₂: 4.27 ppb
  • SO₂: 2.13 ppb
  • CO: 126.97 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

1 PM
54 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 9.36 µg/m³
  • PM10: 13.06 µg/m³
  • O₃: 39.58 ppb
  • NO₂: 3.25 ppb
  • SO₂: 1.68 ppb
  • CO: 123.31 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

2 PM
54 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 8.00 µg/m³
  • PM10: 10.93 µg/m³
  • O₃: 42.18 ppb
  • NO₂: 2.23 ppb
  • SO₂: 1.23 ppb
  • CO: 119.65 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

3 PM
53 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 7.06 µg/m³
  • PM10: 9.54 µg/m³
  • O₃: 42.58 ppb
  • NO₂: 1.84 ppb
  • SO₂: 0.93 ppb
  • CO: 116.83 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

4 PM
53 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 6.00 µg/m³
  • PM10: 7.93 µg/m³
  • O₃: 42.98 ppb
  • NO₂: 1.44 ppb
  • SO₂: 0.64 ppb
  • CO: 114.00 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

5 PM
52 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 4.99 µg/m³
  • PM10: 6.54 µg/m³
  • O₃: 43.38 ppb
  • NO₂: 1.05 ppb
  • SO₂: 0.34 ppb
  • CO: 111.18 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

6 PM
52 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 4.28 µg/m³
  • PM10: 5.54 µg/m³
  • O₃: 40.41 ppb
  • NO₂: 1.81 ppb
  • SO₂: 0.32 ppb
  • CO: 116.23 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

7 PM
51 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 4.00 µg/m³
  • PM10: 4.88 µg/m³
  • O₃: 37.43 ppb
  • NO₂: 2.57 ppb
  • SO₂: 0.30 ppb
  • CO: 121.28 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

8 PM
51 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 4.21 µg/m³
  • PM10: 5.10 µg/m³
  • O₃: 34.45 ppb
  • NO₂: 3.33 ppb
  • SO₂: 0.27 ppb
  • CO: 126.34 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

9 PM
49 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 4.47 µg/m³
  • PM10: 5.34 µg/m³
  • O₃: 30.17 ppb
  • NO₂: 5.28 ppb
  • SO₂: 0.33 ppb
  • CO: 140.40 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors