and then 
to Add to home screen San Francisco
Rise 6:57AM
Set 7:06PM
Reporting Station : San Francisco International Airport, CA
There is
1 Weather Alert
for your area.
1 Weather Alert
for your area.
60°F
Clear. Cool.
- 75%
- 3 mphSW
-
75%
Humidity -
52°F
Dew Point -
60°F
Comfort Level -
10 mi
Visibility -
30.00 in
Barometric Pressure - Air Quality
First Quarter
Rise2:46PM
Set11:50PM
FRIDAY EVENING
SFO / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Vacaville | 55 ppb |  Moderate |
| Colfax | 56 ppb | Moderate |
| Lassen Volcanic NP | 45 ppb |  Good |
| Yosemite NP Turtleback Dome | 54 ppb | Moderate |
| Sparks | 50 ppb | Good |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 21 Sep | Particulates smaller than 2.5 microns | 88 ppb | Moderate |
| 22 Sep | Particulates smaller than 2.5 microns | 105 ppb |  Unhealthy for Sensitive Groups |
| 23 Sep | Particulates smaller than 2.5 microns | 102 ppb | Unhealthy for Sensitive Groups |
| 24 Sep | Particulates smaller than 2.5 microns | n/a | Good |
| 25 Sep | Particulates smaller than 2.5 microns | n/a | Good |
| 26 Sep | Particulates smaller than 2.5 microns | n/a | Good |
| 27 Sep | Particulates smaller than 2.5 microns | n/a | Good |
Oakland
San Rafael
Redwood City
Rise 6:57AM
Set 7:06PM
First Quarter
Rise2:46PM
Set11:50PM
FRIDAY EVENING
SFO / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 23 Sep Saturday | Good |
well-mixed atmosphere, low pressure |
| 24 Sep Sunday | Good |
well-mixed atmosphere, low pressure |
| 25 Sep Monday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 26 Sep Tuesday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 27 Sep Wednesday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 28 Sep Thursday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 29 Sep Friday | Good |
strong winds, well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 23 Sep Night | Good |
well-mixed atmosphere, low pressure |
| 23 Sep Morning | Good |
well-mixed atmosphere, low pressure |
| 23 Sep Afternoon | Good |
well-mixed atmosphere, low pressure |
| 23 Sep Evening | Good |
strong winds, well-mixed atmosphere, low pressure |
| 24 Sep Night | Good |
well-mixed atmosphere, low pressure |
| 24 Sep Morning | Good |
well-mixed atmosphere, low pressure |
| 24 Sep Afternoon | Good |
well-mixed atmosphere, low pressure |
| 24 Sep Evening | Good |
well-mixed atmosphere, low pressure |