Reporting Station : San Francisco International Airport, CA

There is alert 1 Weather Alert for your area.
40°F

Clear. Chilly.

  • 97%
  • 0 mphN
  • 97%
    Humidity
  • 39°F
    Dew Point
  • 40°F
    Comfort Level
  • 10 mi
    Visibility
  • 30.24 in

    Barometric Pressure
  • Air Quality
Current Time : 06:37 AM PST  Refresh Nearest / Estimated
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Air Quality Observations

Station Name Concentration Category
Grass Valley 42 ppb Good
Colfax 40 ppb Good
Lassen Volcanic NP 46 ppb Good
Yosemite NP Turtleback Dome 51 ppb Moderate
Sparks 44 ppb Good

Air Quality Forecast

San Francisco
Date Pollutant Concentration Category
07 Feb Particulates smaller than 2.5 microns 18 ppb Good
08 Feb Particulates smaller than 2.5 microns 44 ppb Good
09 Feb Particulates smaller than 2.5 microns 50 ppb Good
10 Feb Particulates smaller than 2.5 microns 50 ppb Good
11 Feb Particulates smaller than 2.5 microns n/a Good
12 Feb Particulates smaller than 2.5 microns n/a Moderate
13 Feb Particulates smaller than 2.5 microns n/a Moderate
Oakland
San Rafael
Redwood City

Extended Forecast

Date Category Reason
09 Feb Sunday Good well-mixed atmosphere, low pressure
10 Feb Monday Good well-mixed atmosphere, low pressure
11 Feb Tuesday Good well-mixed atmosphere, low pressure
12 Feb Wednesday Good precipitation, well-mixed atmosphere, low pressure
13 Feb Thursday Good strong winds, precipitation, well-mixed atmosphere, low pressure
14 Feb Friday Good strong winds, precipitation, well-mixed atmosphere, low pressure
15 Feb Saturday Good strong winds, precipitation, well-mixed atmosphere, low pressure

Detailed Forecast

Date Category Reason
09 Feb Morning Good well-mixed atmosphere, low pressure
09 Feb Afternoon Good well-mixed atmosphere, low pressure
09 Feb Evening Good well-mixed atmosphere, low pressure
10 Feb Night Good cold temperatures, well-mixed atmosphere, low pressure
10 Feb Morning Good well-mixed atmosphere, low pressure
10 Feb Afternoon Good well-mixed atmosphere, low pressure
10 Feb Evening Good well-mixed atmosphere, low pressure
11 Feb Night Good cold temperatures, well-mixed atmosphere, low pressure

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