Hourly Weather | Today Tuesday, January 13, 2026
San Bernardino, California
3 PM
Sunny Weather
79°
Feels Like 75°
0
Humidity: 16%
Wind: 20 mph
UV Index: 2
4 PM
Sunny Weather
75°
Feels Like 72°
0
Humidity: 18%
Wind: 21 mph
UV Index: 1
5 PM
Sunny Weather
72°
Feels Like 68°
0
Humidity: 19%
Wind: 20 mph
UV Index: 0
6 PM
Night
70°
Feels Like 64°
0
Humidity: 21%
Wind: 18 mph
UV Index: 0
7 PM
Night
64°
Feels Like 61°
0
Humidity: 24%
Wind: 17 mph
UV Index: 0
8 PM
Night
63°
Feels Like 57°
0
Humidity: 28%
Wind: 16 mph
UV Index: 0
9 PM
Night
59°
Feels Like 54°
0
Humidity: 33%
Wind: 15 mph
UV Index: 0
10 PM
Night
57°
Feels Like 50°
0
Humidity: 36%
Wind: 15 mph
UV Index: 0
11 PM
Night
55°
Feels Like 46°
0
Humidity: 41%
Wind: 15 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

3 PM
131 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 47.9 µg/m³
  • PM10: 63.93 µg/m³
  • O3: 0.054 ppm
  • NO2: 22.4 ppb
  • SO2: 2.5 ppb
  • CO: 0.44 ppm

Health Recommendations:

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

4 PM
140 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 51.28 µg/m³
  • PM10: 67.69 µg/m³
  • O3: 0.054 ppm
  • NO2: 25.2 ppb
  • SO2: 2.7 ppb
  • CO: 0.45 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 50.78 µg/m³
  • PM10: 67.47 µg/m³
  • O3: 0.051 ppm
  • NO2: 27.9 ppb
  • SO2: 2.7 ppb
  • CO: 0.46 ppm

Health Recommendations:

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

6 PM
133 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 48.63 µg/m³
  • PM10: 65.38 µg/m³
  • O3: 0.046 ppm
  • NO2: 24.9 ppb
  • SO2: 2.5 ppb
  • CO: 0.46 ppm

Health Recommendations:

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

7 PM
126 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 45.65 µg/m³
  • PM10: 62.07 µg/m³
  • O3: 0.042 ppm
  • NO2: 20.9 ppb
  • SO2: 2.3 ppb
  • CO: 0.45 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 42.17 µg/m³
  • PM10: 57.94 µg/m³
  • O3: 0.038 ppm
  • NO2: 18.6 ppb
  • SO2: 2 ppb
  • CO: 0.43 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 38.9 µg/m³
  • PM10: 53.63 µg/m³
  • O3: 0.035 ppm
  • NO2: 16.9 ppb
  • SO2: 1.7 ppb
  • CO: 0.42 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 35.67 µg/m³
  • PM10: 49.21 µg/m³
  • O3: 0.033 ppm
  • NO2: 15.7 ppb
  • SO2: 1.5 ppb
  • CO: 0.40 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 32.81 µg/m³
  • PM10: 45.16 µg/m³
  • O3: 0.031 ppm
  • NO2: 14.2 ppb
  • SO2: 1.3 ppb
  • CO: 0.38 ppm

Health Recommendations:

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