Reporting Station : Ontario International Airport, CA

There are alert 6 Weather Alerts for your area.
73°F

Broken clouds. Mild.

  • 53%
  • 10 mphE
  • 53%
    Humidity
  • 55°F
    Dew Point
  • 77°F
    Comfort Level
  • 10 mi
    Visibility
  • 29.84 in

    Barometric Pressure
  • Air Quality
Current Time : 3:43 PM PDT  Refresh Nearest / Estimated
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Air Quality Observations

Station Name Concentration Category
West Los Angeles - VA Hospital 41 ppb Good
Reseda 48 ppb Good
Pasadena 46 ppb Good
Santa Clarita 48 ppb Good
Thousand Oaks - Moorpark Road 46 ppb Good
Piru - Pacific 51 ppb Moderate
Redlands - Dearborn 60 ppb Moderate
San Bernadino - 4th Street 56 ppb Moderate

Air Quality Forecast

NW San Bernardino
Date Pollutant Concentration Category
18 Sep Particulates smaller than 2.5 microns 54 ppb Moderate
19 Sep Particulates smaller than 2.5 microns 50 ppb Good
20 Sep Particulates smaller than 2.5 microns 38 ppb Good
21 Sep Particulates smaller than 2.5 microns n/a Good
22 Sep Particulates smaller than 2.5 microns n/a Good
23 Sep Particulates smaller than 2.5 microns n/a Good
24 Sep Particulates smaller than 2.5 microns n/a Good
SW San Bernardino
Pomona Walnut Vly
Metro Riverside CO

Extended Forecast

Date Category Reason
20 Sep Friday Good well-mixed atmosphere, low pressure
21 Sep Saturday Good well-mixed atmosphere, low pressure
22 Sep Sunday Good well-mixed atmosphere, low pressure
23 Sep Monday Good well-mixed atmosphere, low pressure
24 Sep Tuesday Good well-mixed atmosphere, low pressure
25 Sep Wednesday Good well-mixed atmosphere, low pressure
26 Sep Thursday Good well-mixed atmosphere, low pressure

Detailed Forecast

Date Category Reason
20 Sep Afternoon Good well-mixed atmosphere, low pressure
20 Sep Evening Good well-mixed atmosphere, low pressure
21 Sep Night Good well-mixed atmosphere, low pressure
21 Sep Morning Good well-mixed atmosphere, low pressure
21 Sep Afternoon Good well-mixed atmosphere, low pressure
21 Sep Evening Good well-mixed atmosphere, low pressure
22 Sep Night Good well-mixed atmosphere, low pressure
22 Sep Morning Good well-mixed atmosphere, low pressure

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