Hourly Weather | Today Thursday, February 5, 2026
Mission Viejo, California
8 PM
Cloudy Night
64°
Feels Like 63°
39
Humidity: 67%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
61°
Feels Like 59°
29
Humidity: 66%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
59°
Feels Like 57°
17
Humidity: 68%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
57°
Feels Like 57°
17
Humidity: 69%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 48.13 µg/m³
  • PM10: 78.42 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 43.24 µg/m³
  • PM10: 72.49 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.20 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: 39.29 µg/m³
  • PM10: 67.14 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 35.51 µg/m³
  • PM10: 61.7 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 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.