and then 
to Add to home screen San Francisco
Rise 6:56AM
Set 7:08PM
Reporting Station : San Francisco International Airport, CA
There is
1 Weather Alert
for your area.
1 Weather Alert
for your area.
73°F
Passing clouds. Mild.
- 48%
- 11 mphSW
-
48%
Humidity -
52°F
Dew Point -
77°F
Comfort Level -
10 mi
Visibility -
29.86 in
Barometric Pressure - Air Quality
Waxing crescent
Rise1:42PM
Set10:53PM
THURSDAY AFTERNOON
SFO / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Sloughhouse | 37 ppb |  Good |
| Grass Valley | 58 ppb |  Moderate |
| Woodland | 39 ppb | Good |
| Vacaville | 48 ppb | Good |
| Lassen Volcanic NP | 39 ppb | Good |
| Sparks | 51 ppb | Moderate |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 20 Sep | Particulates smaller than 2.5 microns | 117 ppb |  Unhealthy for Sensitive Groups |
| 21 Sep | Particulates smaller than 2.5 microns | 105 ppb | Unhealthy for Sensitive Groups |
| 22 Sep | Particulates smaller than 2.5 microns | 105 ppb | Unhealthy for Sensitive Groups |
| 23 Sep | Particulates smaller than 2.5 microns | n/a | Moderate |
| 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 |
Oakland
San Rafael
Redwood City
Rise 6:56AM
Set 7:08PM
Waxing crescent
Rise1:42PM
Set10:53PM
THURSDAY AFTERNOON
SFO / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 22 Sep Friday | Good |
well-mixed atmosphere, low pressure |
| 23 Sep Saturday | Good |
well-mixed atmosphere, low pressure |
| 24 Sep Sunday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 25 Sep Monday | Good |
strong winds, precipitation, 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 |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 21 Sep Evening | Good |
well-mixed atmosphere, low pressure |
| 22 Sep Night | Good |
well-mixed atmosphere, low pressure |
| 22 Sep Morning | Good |
well-mixed atmosphere, low pressure |
| 22 Sep Afternoon | Good |
well-mixed atmosphere, low pressure |
| 22 Sep Evening | Good |
well-mixed atmosphere, low pressure |
| 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 |