Reporting Station : San Francisco International Airport, CA

There is alert 1 Weather Alert for your area.
18°C

Passing clouds. Mild.

  • 66%
  • 35 km/hNW
  • 66%
    Humidity
  • 12°C
    Dew Point
  • 18°C
    Comfort Level
  • 16 km
    Visibility
  • 1011.40 mb

    Barometric Pressure
  • Air Quality
Current Time : 4:56 PM PDT  Refresh Nearest / Estimated
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Air Quality Observations

Station Name Concentration Category
Grass Valley 56 ppb Moderate
Woodland 59 ppb Moderate
Lassen Volcanic NP 52 ppb Moderate
Yosemite NP Turtleback Dome 55 ppb Moderate
Sparks 62 ppb Moderate

Air Quality Forecast

San Francisco
Date Pollutant Concentration Category
14 May Particulates smaller than 2.5 microns 13 ppb Good
15 May Particulates smaller than 2.5 microns 53 ppb Moderate
16 May Particulates smaller than 2.5 microns 44 ppb Good
17 May Particulates smaller than 2.5 microns n/a Good
18 May Particulates smaller than 2.5 microns n/a Good
19 May Particulates smaller than 2.5 microns n/a Moderate
20 May Particulates smaller than 2.5 microns n/a Good
Oakland
San Rafael
Redwood City

Extended Forecast

Date Category Reason
15 May Wednesday Good well-mixed atmosphere, low pressure
16 May Thursday Good well-mixed atmosphere, low pressure
17 May Friday Good well-mixed atmosphere, low pressure
18 May Saturday Good strong winds, 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

Detailed Forecast

Date Category Reason
15 May Afternoon Good well-mixed atmosphere, low pressure
15 May Evening Good well-mixed atmosphere, low pressure
16 May Night Good well-mixed atmosphere, low pressure
16 May Morning Good well-mixed atmosphere, low pressure
16 May Afternoon Good well-mixed atmosphere, low pressure
16 May Evening Good well-mixed atmosphere, low pressure
17 May Night Good well-mixed atmosphere, low pressure
17 May Morning Good well-mixed atmosphere, low pressure

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