Hourly Weather | Today Saturday, June 13, 2026
Ontario, California
6 PM
Cloudy Weather
84°
Feels Like 82°
0
Humidity: 41%
UV Index: 2
Wind: 12 mph
7 PM
Cloudy Weather
82°
Feels Like 81°
0
Humidity: 45%
UV Index: 1
Wind: 10 mph
8 PM
Cloudy Weather
79°
Feels Like 75°
0
Humidity: 52%
UV Index: 0
Wind: 10 mph
9 PM
Night
75°
Feels Like 72°
0
Humidity: 59%
UV Index: 0
Wind: 9 mph
10 PM
Night
72°
Feels Like 70°
0
Humidity: 67%
UV Index: 0
Wind: 8 mph
11 PM
Night
70°
Feels Like 66°
0
Humidity: 72%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.94 µg/m³
  • PM10: 17.31 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.82 µg/m³
  • PM10: 17.21 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.79 µg/m³
  • PM10: 17.48 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.88 µg/m³
  • PM10: 18.09 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.11 µg/m³
  • PM10: 19.12 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.38 µg/m³
  • PM10: 20.16 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.