Reporting Station : Ontario International Airport, CA

There are alert 9 Weather Alerts for your area.
98°F

Passing clouds. Extremely hot.

  • 13%
  • 13 mphW
  • 13%
    Humidity
  • 40°F
    Dew Point
  • 93°F
    Comfort Level
  • 10 mi
    Visibility
  • 29.74 in

    Barometric Pressure
  • Air Quality
Current Time : 6:47 PM PDT  Refresh Nearest / Estimated
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Air Quality Observations

Station Name Concentration Category
West Los Angeles - VA Hospital 39 ppb Good
Los Angeles - N. Main Street 78 ppb Moderate
Reseda 88 ppb Moderate
Pasadena 112 ppb Unhealthy for Sensitive Groups
Santa Clarita 88 ppb Moderate
Thousand Oaks - Moorpark Road 57 ppb Moderate
Piru - Pacific 72 ppb Moderate
Redlands - Dearborn 99 ppb Moderate
San Bernadino - 4th Street 109 ppb Unhealthy for Sensitive Groups

Air Quality Forecast

NW San Bernardino
Date Pollutant Concentration Category
21 Jun Particulates smaller than 2.5 microns 69 ppb Moderate
22 Jun Particulates smaller than 2.5 microns 60 ppb Moderate
23 Jun Particulates smaller than 2.5 microns 58 ppb Moderate
24 Jun Particulates smaller than 2.5 microns n/a Moderate
25 Jun Particulates smaller than 2.5 microns n/a Moderate
26 Jun Particulates smaller than 2.5 microns n/a Moderate
27 Jun Particulates smaller than 2.5 microns n/a Moderate
SW San Bernardino
Pomona Walnut Vly
Metro Riverside CO

Extended Forecast

Date Category Reason
23 Jun Sunday Good well-mixed atmosphere, low pressure
24 Jun Monday Good well-mixed atmosphere, low pressure
25 Jun Tuesday Good strong winds, well-mixed atmosphere, low pressure
26 Jun Wednesday Good strong winds, well-mixed atmosphere, low pressure
27 Jun Thursday Good well-mixed atmosphere, low pressure
28 Jun Friday Good strong winds, well-mixed atmosphere, low pressure
29 Jun Saturday Good strong winds, well-mixed atmosphere, low pressure

Detailed Forecast

Date Category Reason
22 Jun Evening Good well-mixed atmosphere, low pressure
23 Jun Night Good well-mixed atmosphere, low pressure
23 Jun Morning Good well-mixed atmosphere, low pressure
23 Jun Afternoon Good well-mixed atmosphere, low pressure
23 Jun Evening Good well-mixed atmosphere, low pressure
24 Jun Night Good well-mixed atmosphere, low pressure
24 Jun Morning Good well-mixed atmosphere, low pressure
24 Jun Afternoon Good well-mixed atmosphere, low pressure

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