and then 
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Rise 5:58AM
Set 8:14PM
Reporting Station : San Francisco International Airport, CA
There is
1 Weather Alert
for your area.
1 Weather Alert
for your area.
68°F
Passing clouds. Mild.
- 59%
- 13 mphWSW
-
59%
Humidity -
53°F
Dew Point -
68°F
Comfort Level -
10 mi
Visibility -
29.92 in
Barometric Pressure - Air Quality
First Quarter
Rise1:56PM
Set2:46AM
THURSDAY AFTERNOON
SFO / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Grass Valley | 54 ppb |  Moderate |
| Woodland | 41 ppb |  Good |
| Colfax | 56 ppb | Moderate |
| Lassen Volcanic NP | 54 ppb | Moderate |
| Yosemite NP Turtleback Dome | 61 ppb | Moderate |
| Sparks | 60 ppb | Moderate |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 15 May | Particulates smaller than 2.5 microns | 22 ppb | Good |
| 16 May | Particulates smaller than 2.5 microns | 44 ppb | Good |
| 17 May | Particulates smaller than 2.5 microns | 44 ppb | 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 |
| 21 May | Particulates smaller than 2.5 microns | n/a | Good |
Oakland
San Rafael
Redwood City
Rise 5:58AM
Set 8:14PM
First Quarter
Rise1:56PM
Set2:46AM
THURSDAY AFTERNOON
SFO / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 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 |
| 22 May Wednesday | Good |
strong winds, well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 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 |
| 17 May Afternoon | Good |
well-mixed atmosphere, low pressure |
| 17 May Evening | Good |
well-mixed atmosphere, low pressure |
| 18 May Night | Good |
well-mixed atmosphere, low pressure |
| 18 May Morning | Good |
well-mixed atmosphere, low pressure |