Reporting Station : San Francisco International Airport, CA

There is alert 1 Weather Alert for your area.
66°F

Passing clouds. Mild.

  • 61%
  • 9 mphWSW
  • 61%
    Humidity
  • 52°F
    Dew Point
  • 66°F
    Comfort Level
  • 9 mi
    Visibility
  • 29.88 in

    Barometric Pressure
  • Air Quality
Current Time : 7:17 PM PDT  Refresh Nearest / Estimated
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Air Quality Observations

Station Name Concentration Category
Sloughhouse 37 ppb Good
Grass Valley 58 ppb Moderate
Woodland 39 ppb Good
Vacaville 48 ppb Good
Lassen Volcanic NP 39 ppb Good
Sparks 51 ppb Moderate

Air Quality Forecast

San Francisco
Date Pollutant Concentration Category
20 Sep Particulates smaller than 2.5 microns 117 ppb Unhealthy for Sensitive Groups
21 Sep Particulates smaller than 2.5 microns 105 ppb Unhealthy for Sensitive Groups
22 Sep Particulates smaller than 2.5 microns 105 ppb Unhealthy for Sensitive Groups
23 Sep Particulates smaller than 2.5 microns n/a Moderate
24 Sep Particulates smaller than 2.5 microns n/a Good
25 Sep Particulates smaller than 2.5 microns n/a Good
26 Sep Particulates smaller than 2.5 microns n/a Good
Oakland
San Rafael
Redwood City

Extended Forecast

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

Detailed Forecast

Date Category Reason
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
23 Sep Morning Good well-mixed atmosphere, low pressure
23 Sep Afternoon Good well-mixed atmosphere, low pressure

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