Reporting Station : Ontario International Airport, CA

There are alert 0 Weather Alerts for your area.
64°F

Clear. Mild.

  • 84%
  • 0 mphN
  • 84%
    Humidity
  • 59°F
    Dew Point
  • 64°F
    Comfort Level
  • 9 mi
    Visibility
  • 29.80 in

    Barometric Pressure
  • Air Quality
Current Time : 05:45 AM PDT  Refresh Nearest / Estimated
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Air Quality Observations

Station Name Concentration Category
West Los Angeles - VA Hospital 51 ppb Moderate
Los Angeles - N. Main Street 61 ppb Moderate
Reseda 70 ppb Moderate
Pasadena 75 ppb Moderate
Santa Clarita 84 ppb Moderate
Thousand Oaks - Moorpark Road 52 ppb Moderate
Piru - Pacific 52 ppb Moderate
Redlands - Dearborn 95 ppb Moderate
San Bernadino - 4th Street 95 ppb Moderate

Air Quality Forecast

NW San Bernardino
Date Pollutant Concentration Category
21 Sep Particulates smaller than 2.5 microns 64 ppb Moderate
22 Sep Particulates smaller than 2.5 microns 62 ppb Moderate
23 Sep Particulates smaller than 2.5 microns 60 ppb Moderate
24 Sep Particulates smaller than 2.5 microns n/a Moderate
25 Sep Particulates smaller than 2.5 microns n/a Moderate
26 Sep Particulates smaller than 2.5 microns n/a Moderate
27 Sep Particulates smaller than 2.5 microns n/a Moderate
SW San Bernardino
Pomona Walnut Vly
Metro Riverside CO

Extended Forecast

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

Detailed Forecast

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

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