Reporting Station : Ontario International Airport, CA

There are alert 16 Weather Alerts for your area.
68°F

Clear. Mild.

  • 61%
  • 0 mphN
  • 61%
    Humidity
  • 54°F
    Dew Point
  • 68°F
    Comfort Level
  • 2 mi
    Visibility
  • 29.82 in

    Barometric Pressure
  • Air Quality
Current Time : 04:20 AM PDT  Refresh Nearest / Estimated
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Air Quality Observations

Station Name Concentration Category
West Los Angeles - VA Hospital 41 ppb Good
Los Angeles - N. Main Street 58 ppb Moderate
Reseda 77 ppb Moderate
Pasadena 90 ppb Moderate
Santa Clarita 103 ppb Unhealthy for Sensitive Groups
Thousand Oaks - Moorpark Road 42 ppb Good
Piru - Pacific 47 ppb Good
Redlands - Dearborn 116 ppb Unhealthy for Sensitive Groups
San Bernadino - 4th Street 113 ppb Unhealthy for Sensitive Groups

Air Quality Forecast

NW San Bernardino
Date Pollutant Concentration Category
03 Jul Particulates smaller than 2.5 microns 67 ppb Moderate
04 Jul Particulates smaller than 2.5 microns 112 ppb Unhealthy for Sensitive Groups
05 Jul Particulates smaller than 2.5 microns 182 ppb Unhealthy
06 Jul Particulates smaller than 2.5 microns n/a Unhealthy
07 Jul Particulates smaller than 2.5 microns n/a Unhealthy
08 Jul Particulates smaller than 2.5 microns n/a Unhealthy
09 Jul Particulates smaller than 2.5 microns n/a Unhealthy
SW San Bernardino
Pomona Walnut Vly
Metro Riverside CO

Extended Forecast

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

Detailed Forecast

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

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