Hourly Weather | Today Monday, January 19, 2026
Santa Clarita, California
8 PM
Night
63°
Feels Like 59°
0
Humidity: 27%
Wind: 10 mph
UV Index: 0
9 PM
Night
61°
Feels Like 55°
0
Humidity: 30%
Wind: 10 mph
UV Index: 0
10 PM
Night
57°
Feels Like 52°
0
Humidity: 34%
Wind: 10 mph
UV Index: 0
11 PM
Night
55°
Feels Like 50°
0
Humidity: 36%
Wind: 12 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

8 PM
117 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 42.18 µg/m³
  • PM10: 52.19 µg/m³
  • O3: 0.046 ppm
  • NO2: 5.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.30 ppm

Health Recommendations:

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

9 PM
113 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 40.66 µg/m³
  • PM10: 50.02 µg/m³
  • O3: 0.044 ppm
  • NO2: 4.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.30 ppm

Health Recommendations:

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

10 PM
110 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 39.31 µg/m³
  • PM10: 48.06 µg/m³
  • O3: 0.042 ppm
  • NO2: 4 ppb
  • SO2: 0.7 ppb
  • CO: 0.30 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 38.65 µg/m³
  • PM10: 46.95 µg/m³
  • O3: 0.040 ppm
  • NO2: 3.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.30 ppm

Health Recommendations:

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