Hourly Weather | Today › Sunday, October 4, 2026
Hesperia, California
1 PM
Sunny Weather
90°
Feels Like 91°
0
Humidity: 22%
UV Index: 5
Wind: 12 mph
2 PM
Sunny Weather
91°
Feels Like 93°
0
Humidity: 21%
UV Index: 5
Wind: 12 mph
3 PM
Sunny Weather
93°
Feels Like 93°
0
Humidity: 20%
UV Index: 4
Wind: 12 mph
4 PM
Sunny Weather
93°
Feels Like 91°
0
Humidity: 20%
UV Index: 3
Wind: 12 mph
5 PM
Sunny Weather
90°
Feels Like 90°
0
Humidity: 22%
UV Index: 2
Wind: 12 mph
6 PM
Sunny Weather
88°
Feels Like 84°
0
Humidity: 24%
UV Index: 1
Wind: 10 mph
7 PM
Night
84°
Feels Like 82°
0
Humidity: 27%
UV Index: 0
Wind: 8 mph
8 PM
Night
81°
Feels Like 79°
0
Humidity: 31%
UV Index: 0
Wind: 7 mph
9 PM
Night
79°
Feels Like 75°
0
Humidity: 36%
UV Index: 0
Wind: 6 mph
10 PM
Night
73°
Feels Like 72°
0
Humidity: 41%
UV Index: 0
Wind: 6 mph
11 PM
Night
72°
Feels Like 70°
0
Humidity: 47%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 45.96 µg/m³
  • PM10: 65.5 µg/m³
  • O3: 0.078 ppm
  • NO2: 8.9 ppb
  • SO2: 2.1 ppb
  • CO: 0.33 ppm

Health Recommendations:

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

2 PM
164 AQI
Unhealthy air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 51.22 µg/m³
  • PM10: 70.28 µg/m³
  • O3: 0.091 ppm
  • NO2: 6.1 ppb
  • SO2: 2 ppb
  • CO: 0.32 ppm

Health Recommendations:

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

3 PM
185 AQI
Unhealthy air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 52.49 µg/m³
  • PM10: 71.26 µg/m³
  • O3: 0.099 ppm
  • NO2: 4.5 ppb
  • SO2: 1.9 ppb
  • CO: 0.30 ppm

Health Recommendations:

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

4 PM
187 AQI
Unhealthy air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 49.91 µg/m³
  • PM10: 68.29 µg/m³
  • O3: 0.100 ppm
  • NO2: 3.9 ppb
  • SO2: 1.7 ppb
  • CO: 0.28 ppm

Health Recommendations:

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

5 PM
176 AQI
Unhealthy air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 45.24 µg/m³
  • PM10: 62.95 µg/m³
  • O3: 0.095 ppm
  • NO2: 4.1 ppb
  • SO2: 1.5 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

6 PM
160 AQI
Unhealthy air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 41.32 µg/m³
  • PM10: 58.39 µg/m³
  • O3: 0.089 ppm
  • NO2: 5.9 ppb
  • SO2: 1.6 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

7 PM
134 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 38.23 µg/m³
  • PM10: 54.95 µg/m³
  • O3: 0.080 ppm
  • NO2: 7.5 ppb
  • SO2: 1.6 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

8 PM
107 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 35.28 µg/m³
  • PM10: 51.92 µg/m³
  • O3: 0.072 ppm
  • NO2: 7.9 ppb
  • SO2: 1.5 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 32.79 µg/m³
  • PM10: 49.32 µg/m³
  • O3: 0.065 ppm
  • NO2: 7.9 ppb
  • SO2: 1.4 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

10 PM
91 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 31.2 µg/m³
  • PM10: 47.53 µg/m³
  • O3: 0.060 ppm
  • NO2: 8 ppb
  • SO2: 1.2 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 29.85 µg/m³
  • PM10: 45.85 µg/m³
  • O3: 0.055 ppm
  • NO2: 8.1 ppb
  • SO2: 1.1 ppb
  • CO: 0.24 ppm

Health Recommendations:

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