Hourly Weather | Today Tuesday, February 24, 2026
Hesperia, California
4 PM
Cloudy Weather
75°
Feels Like 73°
0
Humidity: 31%
UV Index: 2
Wind: 9 mph
5 PM
Cloudy Weather
72°
Feels Like 70°
0
Humidity: 34%
UV Index: 1
Wind: 8 mph
6 PM
Cloudy Night
68°
Feels Like 64°
0
Humidity: 40%
UV Index: 0
Wind: 7 mph
7 PM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 47%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 53%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
57°
Feels Like 57°
0
Humidity: 58%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
55°
Feels Like 52°
0
Humidity: 64%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
54°
Feels Like 52°
0
Humidity: 65%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 PM
157 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 69.4 µg/m³
  • PM10: 87.06 µg/m³
  • O3: 0.086 ppm
  • NO2: 17.7 ppb
  • SO2: 2.6 ppb
  • CO: 0.43 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

5 PM
152 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 59.89 µg/m³
  • PM10: 75.56 µg/m³
  • O3: 0.077 ppm
  • NO2: 17.2 ppb
  • SO2: 1.9 ppb
  • CO: 0.39 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

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

Pollutant Concentrations:

  • PM2.5: 52.53 µg/m³
  • PM10: 67.17 µg/m³
  • O3: 0.065 ppm
  • NO2: 17.9 ppb
  • SO2: 1.4 ppb
  • CO: 0.38 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 48.1 µg/m³
  • PM10: 62.39 µg/m³
  • O3: 0.055 ppm
  • NO2: 17.6 ppb
  • SO2: 1.1 ppb
  • CO: 0.38 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 47.02 µg/m³
  • PM10: 61.59 µg/m³
  • O3: 0.049 ppm
  • NO2: 18 ppb
  • SO2: 1 ppb
  • CO: 0.39 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 47.4 µg/m³
  • PM10: 62.42 µg/m³
  • O3: 0.044 ppm
  • NO2: 18.2 ppb
  • SO2: 1 ppb
  • CO: 0.39 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 47.07 µg/m³
  • PM10: 62.55 µg/m³
  • O3: 0.041 ppm
  • NO2: 18.5 ppb
  • SO2: 1.1 ppb
  • CO: 0.39 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 45.51 µg/m³
  • PM10: 60.93 µg/m³
  • O3: 0.038 ppm
  • NO2: 18.3 ppb
  • SO2: 1.1 ppb
  • CO: 0.39 ppm

Health Recommendations:

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