Hourly Weather | Today Monday, January 19, 2026
San Diego, California
10 PM
Cloudy Night
55°
Feels Like 55°
0
Humidity: 84%
Wind: 4 mph
UV Index: 0
11 PM
Cloudy Night
54°
Feels Like 55°
0
Humidity: 87%
Wind: 4 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 44.38 µg/m³
  • PM10: 57.89 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 44.24 µg/m³
  • PM10: 57.5 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.21 ppm

Health Recommendations:

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