Reporting Station : Ontario International Airport, CA

There is alert 1 Weather Alert for your area.
59°F

Fog. Cool.

  • 90%
  • 0 mphN
  • 90%
    Humidity
  • 56°F
    Dew Point
  • 59°F
    Comfort Level
  • 6 mi
    Visibility
  • 29.87 in

    Barometric Pressure
  • Air Quality
Current Time : 06:13 AM PDT  Refresh Nearest / Estimated
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Air Quality Observations

Station Name Concentration Category
West Los Angeles - VA Hospital 39 ppb Good
Los Angeles - N. Main Street 43 ppb Good
Reseda 54 ppb Moderate
Pasadena 44 ppb Good
Santa Clarita 63 ppb Moderate
Thousand Oaks - Moorpark Road 49 ppb Good
Piru - Pacific 50 ppb Good
San Bernadino - 4th Street 40 ppb Good

Air Quality Forecast

NW San Bernardino
Date Pollutant Concentration Category
19 Sep Particulates smaller than 2.5 microns 49 ppb Good
20 Sep Particulates smaller than 2.5 microns 50 ppb Good
21 Sep Particulates smaller than 2.5 microns 58 ppb Moderate
22 Sep Particulates smaller than 2.5 microns n/a Moderate
23 Sep Particulates smaller than 2.5 microns n/a Moderate
24 Sep Particulates smaller than 2.5 microns n/a Moderate
25 Sep Particulates smaller than 2.5 microns n/a Moderate
SW San Bernardino
Pomona Walnut Vly
Metro Riverside CO

Extended Forecast

Date Category Reason
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 strong winds, well-mixed atmosphere, low pressure
26 Sep Thursday Good well-mixed atmosphere, low pressure
27 Sep Friday Good well-mixed atmosphere, low pressure

Detailed Forecast

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

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