Reporting Station : Ontario International Airport, CA

There are alert 0 Weather Alerts for your area.
68°F

Partly sunny. Mild.

  • 40%
  • 8 mphSSW
  • 40%
    Humidity
  • 43°F
    Dew Point
  • 68°F
    Comfort Level
  • 10 mi
    Visibility
  • 29.97 in

    Barometric Pressure
  • Air Quality
Current Time : 3:06 PM PDT  Refresh Nearest / Estimated
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Air Quality Observations

Station Name Concentration Category
West Los Angeles - VA Hospital 43 ppb Good
Los Angeles - N. Main Street 44 ppb Good
Reseda 55 ppb Moderate
Pasadena 41 ppb Good
Santa Clarita 54 ppb Moderate
Thousand Oaks - Moorpark Road 46 ppb Good
Piru - Pacific 46 ppb Good
Redlands - Dearborn 43 ppb Good
San Bernadino - 4th Street 40 ppb Good

Air Quality Forecast

NW San Bernardino
Date Pollutant Concentration Category
23 May Particulates smaller than 2.5 microns 58 ppb Moderate
24 May Particulates smaller than 2.5 microns 53 ppb Moderate
25 May Particulates smaller than 2.5 microns 55 ppb Moderate
26 May Particulates smaller than 2.5 microns n/a Moderate
27 May Particulates smaller than 2.5 microns n/a Moderate
28 May Particulates smaller than 2.5 microns n/a Moderate
29 May Particulates smaller than 2.5 microns n/a Moderate
SW San Bernardino
Pomona Walnut Vly
Metro Riverside CO

Extended Forecast

Date Category Reason
25 May Saturday Good well-mixed atmosphere, low pressure
26 May Sunday Good well-mixed atmosphere, low pressure
27 May Monday Good well-mixed atmosphere, low pressure
28 May Tuesday Good well-mixed atmosphere, low pressure
29 May Wednesday Good well-mixed atmosphere, low pressure
30 May Thursday Good well-mixed atmosphere, low pressure
31 May Friday Good well-mixed atmosphere, low pressure

Detailed Forecast

Date Category Reason
25 May Afternoon Good well-mixed atmosphere, low pressure
25 May Evening Good well-mixed atmosphere, low pressure
26 May Night Good well-mixed atmosphere, low pressure
26 May Morning Good well-mixed atmosphere, low pressure
26 May Afternoon Good well-mixed atmosphere, low pressure
26 May Evening Good well-mixed atmosphere, low pressure
27 May Night Good well-mixed atmosphere, low pressure
27 May Morning Good well-mixed atmosphere, low pressure

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