and then 
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Rise 5:57AM
Set 8:15PM
Reporting Station : San Francisco International Airport, CA
There is
1 Weather Alert
for your area.
1 Weather Alert
for your area.
67°F
Passing clouds. Mild.
- 61%
- 17 mphNW
-
61%
Humidity -
53°F
Dew Point -
67°F
Comfort Level -
10 mi
Visibility -
29.89 in
Barometric Pressure - Air Quality
Waxing gibbous
Rise2:53PM
Set3:08AM
FRIDAY AFTERNOON
SFO / No delays
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
| 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
Rise 5:57AM
Set 8:15PM
Waxing gibbous
Rise2:53PM
Set3:08AM
FRIDAY AFTERNOON
SFO / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 17 May Friday | Good |
well-mixed atmosphere, low pressure |
| 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 |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 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 |
| 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 |