Reporting Station : San Francisco International Airport, CA

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

Partly sunny. Cool.

  • 72%
  • 8 mphSSE
  • 72%
    Humidity
  • 50°F
    Dew Point
  • 58°F
    Comfort Level
  • 10 mi
    Visibility
  • 29.95 in

    Barometric Pressure
  • Air Quality
Current Time : 09:59 AM PDT  Refresh Nearest / Estimated
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Air Quality Observations

Station Name Concentration Category
Grass Valley 48 ppb Good
Woodland 45 ppb Good
Colfax 46 ppb Good
Lassen Volcanic NP 65 ppb Moderate
Yosemite NP Turtleback Dome 54 ppb Moderate
Sparks 59 ppb Moderate

Air Quality Forecast

San Francisco
Date Pollutant Concentration Category
16 May Particulates smaller than 2.5 microns 11 ppb Good
17 May Particulates smaller than 2.5 microns 44 ppb Good
18 May Particulates smaller than 2.5 microns 39 ppb Good
19 May Particulates smaller than 2.5 microns 44 ppb Good
20 May Particulates smaller than 2.5 microns 53 ppb Moderate
21 May Particulates smaller than 2.5 microns n/a Good
22 May Particulates smaller than 2.5 microns n/a Good
Oakland
San Rafael
Redwood City

Extended Forecast

Date Category Reason
18 May Saturday Good well-mixed atmosphere, low pressure
19 May Sunday Good strong winds, well-mixed atmosphere, low pressure
20 May Monday Good strong winds, well-mixed atmosphere, low pressure
21 May Tuesday Good strong winds, well-mixed atmosphere, low pressure
22 May Wednesday Good strong winds, well-mixed atmosphere, low pressure
23 May Thursday Good strong winds, well-mixed atmosphere, low pressure
24 May Friday Good strong winds, precipitation, well-mixed atmosphere, low pressure

Detailed Forecast

Date Category Reason
18 May Morning Good well-mixed atmosphere, low pressure
18 May Afternoon Good well-mixed atmosphere, low pressure
18 May Evening Good well-mixed atmosphere, low pressure
19 May Night Good well-mixed atmosphere, low pressure
19 May Morning Good well-mixed atmosphere, low pressure
19 May Afternoon Good strong winds, well-mixed atmosphere, low pressure
19 May Evening Good strong winds, well-mixed atmosphere, low pressure
20 May Night Good well-mixed atmosphere, low pressure

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