and then 
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Rise 5:55AM
Set 8:17PM
Reporting Station : San Francisco International Airport, CA
There is
1 Weather Alert
for your area.
1 Weather Alert
for your area.
66°F
Passing clouds. Mild.
- 54%
- 20 mphWNW
-
54%
Humidity -
49°F
Dew Point -
66°F
Comfort Level -
10 mi
Visibility -
29.95 in
Barometric Pressure - Air Quality
Waxing gibbous
Rise5:50PM
Set4:11AM
MONDAY AFTERNOON
SFO / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Sloughhouse | 45 ppb |  Good |
| Grass Valley | 48 ppb | Good |
| Woodland | 48 ppb | Good |
| Colfax | 47 ppb | Good |
| Lassen Volcanic NP | 49 ppb | Good |
| Yosemite NP Turtleback Dome | 55 ppb |  Moderate |
| Sparks | 50 ppb | Good |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 19 May | Particulates smaller than 2.5 microns | 52 ppb | Moderate |
| 20 May | Particulates smaller than 2.5 microns | 53 ppb | Moderate |
| 21 May | Particulates smaller than 2.5 microns | 53 ppb | Moderate |
| 22 May | Particulates smaller than 2.5 microns | n/a | Moderate |
| 23 May | Particulates smaller than 2.5 microns | n/a | Good |
| 24 May | Particulates smaller than 2.5 microns | n/a | Good |
| 25 May | Particulates smaller than 2.5 microns | n/a | Good |
Oakland
San Rafael
Redwood City
Rise 5:55AM
Set 8:17PM
Waxing gibbous
Rise5:50PM
Set4:11AM
MONDAY AFTERNOON
SFO / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 20 May Monday | Good |
well-mixed atmosphere, low pressure |
| 21 May Tuesday | Good |
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, well-mixed atmosphere, low pressure |
| 25 May Saturday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 26 May Sunday | Good |
strong winds, well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 20 May Afternoon | Good |
strong winds, well-mixed atmosphere, low pressure |
| 20 May Evening | Good |
strong winds, well-mixed atmosphere, low pressure |
| 21 May Night | Good |
well-mixed atmosphere, low pressure |
| 21 May Morning | Good |
well-mixed atmosphere, low pressure |
| 21 May Afternoon | Good |
strong winds, well-mixed atmosphere, low pressure |
| 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 |