Reporting Station : Ontario International Airport, CA

There are alert 4 Weather Alerts for your area.
68°F

Clear. Mild.

  • 82%
  • 0 mphN
  • 82%
    Humidity
  • 62°F
    Dew Point
  • 68°F
    Comfort Level
  • 8 mi
    Visibility
  • 29.90 in

    Barometric Pressure
  • Air Quality
Current Time : 01:48 AM PDT  Refresh Nearest / Estimated
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Air Quality Observations

Station Name Concentration Category
West Los Angeles - VA Hospital 50 ppb Good
Los Angeles - N. Main Street 84 ppb Moderate
Santa Clarita 101 ppb Unhealthy for Sensitive Groups
Thousand Oaks - Moorpark Road 60 ppb Moderate
Piru - Pacific 64 ppb Moderate
Redlands - Dearborn 107 ppb Unhealthy for Sensitive Groups
San Bernadino - 4th Street 103 ppb Unhealthy for Sensitive Groups

Air Quality Forecast

NW San Bernardino
Date Pollutant Concentration Category
03 Oct Particulates smaller than 2.5 microns 80 ppb Moderate
04 Oct Particulates smaller than 2.5 microns 62 ppb Moderate
05 Oct Particulates smaller than 2.5 microns 62 ppb Moderate
06 Oct Particulates smaller than 2.5 microns n/a Moderate
07 Oct Particulates smaller than 2.5 microns n/a Moderate
08 Oct Particulates smaller than 2.5 microns n/a Moderate
09 Oct Particulates smaller than 2.5 microns n/a Moderate
SW San Bernardino
Pomona Walnut Vly
Metro Riverside CO

Extended Forecast

Date Category Reason
05 Oct Saturday Good well-mixed atmosphere, low pressure
06 Oct Sunday Good well-mixed atmosphere, low pressure
07 Oct Monday Good strong winds, well-mixed atmosphere, low pressure
08 Oct Tuesday Good strong winds, well-mixed atmosphere, low pressure
09 Oct Wednesday Good strong winds, well-mixed atmosphere, low pressure
10 Oct Thursday Good strong winds, well-mixed atmosphere, low pressure
11 Oct Friday Good strong winds, well-mixed atmosphere, low pressure

Detailed Forecast

Date Category Reason
05 Oct Night Good well-mixed atmosphere, low pressure
05 Oct Morning Good well-mixed atmosphere, low pressure
05 Oct Afternoon Good well-mixed atmosphere, low pressure
05 Oct Evening Good well-mixed atmosphere, low pressure
06 Oct Night Good well-mixed atmosphere, low pressure
06 Oct Morning Good well-mixed atmosphere, low pressure
06 Oct Afternoon Good well-mixed atmosphere, low pressure
06 Oct Evening Good well-mixed atmosphere, low pressure

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