Reporting Station : Ontario International Airport, CA

There are alert 0 Weather Alerts for your area.
56°F

Passing clouds. Refreshingly cool.

  • 49%
  • 5 mphN
  • 49%
    Humidity
  • 37°F
    Dew Point
  • 55°F
    Comfort Level
  • 10 mi
    Visibility
  • 29.97 in

    Barometric Pressure
  • Air Quality
Current Time : 10:25 PM PDT  Refresh Nearest / Estimated
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Air Quality Observations

Station Name Concentration Category
West Los Angeles - VA Hospital 47 ppb Good
Reseda 47 ppb Good
Pasadena 51 ppb Moderate
Santa Clarita 52 ppb Moderate
Thousand Oaks - Moorpark Road 43 ppb Good
Piru - Pacific 44 ppb Good
Redlands - Dearborn 57 ppb Moderate
San Bernadino - 4th Street 56 ppb Moderate

Air Quality Forecast

NW San Bernardino
Date Pollutant Concentration Category
04 May Particulates smaller than 2.5 microns 55 ppb Moderate
05 May Particulates smaller than 2.5 microns 25 ppb Good
06 May Particulates smaller than 2.5 microns 38 ppb Good
07 May Particulates smaller than 2.5 microns n/a Good
08 May Particulates smaller than 2.5 microns n/a Good
09 May Particulates smaller than 2.5 microns n/a Good
10 May Particulates smaller than 2.5 microns n/a Good
SW San Bernardino
Pomona Walnut Vly
Metro Riverside CO

Extended Forecast

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

Detailed Forecast

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

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