and then 
to Add to home screen San Francisco
Rise 7:00AM
Set 7:00PM
Reporting Station : San Francisco International Airport, CA
There are
2 Weather Alerts
for your area.
2 Weather Alerts
for your area.
71°F
Passing clouds. Mild.
- 63%
- 20 mphWNW
-
63%
Humidity -
58°F
Dew Point -
75°F
Comfort Level -
10 mi
Visibility -
30.10 in
Barometric Pressure - Air Quality
Waxing gibbous
Rise5:53PM
Set3:30AM
TUESDAY AFTERNOON
SFO / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Grass Valley | 43 ppb |  Good |
| Colfax | 57 ppb |  Moderate |
| Sparks | 54 ppb | Moderate |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 25 Sep | Particulates smaller than 2.5 microns | 13 ppb | Good |
| 26 Sep | Particulates smaller than 2.5 microns | 42 ppb | Good |
| 27 Sep | Particulates smaller than 2.5 microns | 46 ppb | Good |
| 28 Sep | Particulates smaller than 2.5 microns | n/a | Good |
| 29 Sep | Particulates smaller than 2.5 microns | n/a | Good |
| 30 Sep | Particulates smaller than 2.5 microns | n/a | Good |
| 01 Oct | Particulates smaller than 2.5 microns | n/a | Good |
Oakland
San Rafael
Redwood City
Rise 7:00AM
Set 7:00PM
Waxing gibbous
Rise5:53PM
Set3:30AM
TUESDAY AFTERNOON
SFO / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 27 Sep Wednesday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 28 Sep Thursday | Good |
well-mixed atmosphere, low pressure |
| 29 Sep Friday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 30 Sep Saturday | Good |
strong winds, precipitation, well-mixed atmosphere, low pressure |
| 01 Oct Sunday | Good |
well-mixed atmosphere, low pressure |
| 02 Oct Monday | Good |
well-mixed atmosphere, low pressure |
| 03 Oct Tuesday | Good |
strong winds, well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 26 Sep Evening | Good |
strong winds, well-mixed atmosphere, low pressure |
| 27 Sep Night | Good |
well-mixed atmosphere, low pressure |
| 27 Sep Morning | Good |
well-mixed atmosphere, low pressure |
| 27 Sep Afternoon | Good |
strong winds, well-mixed atmosphere, low pressure |
| 27 Sep Evening | Good |
strong winds, well-mixed atmosphere, low pressure |
| 28 Sep Night | Good |
well-mixed atmosphere, low pressure |
| 28 Sep Morning | Good |
well-mixed atmosphere, low pressure |
| 28 Sep Afternoon | Good |
strong winds, well-mixed atmosphere, low pressure |