Hourly Weather | Today Thursday, October 30, 2025
Santa Clarita, California
4 PM
Sunny Weather
88°
Feels Like 88°
0
Humidity: 15%
Wind: 7 mph
UV Index: 2
5 PM
Sunny Weather
86°
Feels Like 86°
0
Humidity: 16%
Wind: 7 mph
UV Index: 1
6 PM
Sunny Weather
81°
Feels Like 81°
0
Humidity: 19%
Wind: 6 mph
UV Index: 0
7 PM
Night
75°
Feels Like 73°
0
Humidity: 25%
Wind: 5 mph
UV Index: 0
8 PM
Cloudy Night
73°
Feels Like 72°
0
Humidity: 34%
Wind: 5 mph
UV Index: 0
9 PM
Cloudy Night
70°
Feels Like 66°
0
Humidity: 38%
Wind: 5 mph
UV Index: 0
10 PM
Cloudy Night
66°
Feels Like 64°
0
Humidity: 43%
Wind: 5 mph
UV Index: 0
11 PM
Cloudy Night
63°
Feels Like 63°
0
Humidity: 49%
Wind: 4 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

4 PM
69 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 20.96 µg/m³
  • PM10: 35.61 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 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.

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

Pollutant Concentrations:

  • PM2.5: 20.2 µg/m³
  • PM10: 35.77 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 19.21 µg/m³
  • PM10: 35.54 µg/m³
  • O3: 0.053 ppm
  • NO2: 1.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 17.93 µg/m³
  • PM10: 34.76 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 16.38 µg/m³
  • PM10: 33.63 µg/m³
  • O3: 0.049 ppm
  • NO2: 1 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 14.99 µg/m³
  • PM10: 32.65 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 14.05 µg/m³
  • PM10: 32.38 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 13.4 µg/m³
  • PM10: 32.52 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

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