Reporting Station : San Francisco International Airport, CA

There are alert 0 Weather Alerts for your area.
56°F

Passing clouds. Cool.

  • 67%
  • 21 mphWNW
Current Time : 9:07 PM PDT  Refresh Nearest / Estimated
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Air Quality Observations

Station Name Concentration Category
Sloughhouse 55 ppb Moderate
Grass Valley 51 ppb Moderate
Woodland 44 ppb Good
Vacaville 42 ppb Good
Colfax 49 ppb Good
Lassen Volcanic NP 45 ppb Good
Yosemite NP Turtleback Dome 56 ppb Moderate

Air Quality Forecast

San Francisco
Date Pollutant Concentration Category
20 May Particulates smaller than 2.5 microns 41 ppb Good
21 May Particulates smaller than 2.5 microns 53 ppb Moderate
22 May Particulates smaller than 2.5 microns 42 ppb Good
23 May Ozone 44 ppb Good
24 May Ozone n/a Good
25 May Ozone n/a Good
26 May Ozone n/a Good
Oakland
San Rafael
Redwood City

Extended Forecast

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

Detailed Forecast

Date Category Reason
21 May Evening Good strong winds, well-mixed atmosphere, low pressure
22 May Night Good well-mixed atmosphere, low pressure
22 May Morning Good well-mixed atmosphere, low pressure
22 May Afternoon Good strong winds, well-mixed atmosphere, low pressure
22 May Evening Good strong winds, well-mixed atmosphere, low pressure
23 May Night Good well-mixed atmosphere, low pressure
23 May Morning Good well-mixed atmosphere, low pressure
23 May Afternoon Good strong winds, well-mixed atmosphere, low pressure

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