and then 
to Add to home screen San Francisco
Rise 6:57AM
Set 7:06PM
Reporting Station : San Francisco International Airport, CA
There are
0 Weather Alerts
for your area.
0 Weather Alerts
for your area.
58°F
Low clouds. Cool.
- 90%
- 0 mphN
-
90%
Humidity -
55°F
Dew Point -
58°F
Comfort Level -
10 mi
Visibility -
29.91 in
Barometric Pressure - Air Quality
Waning gibbous
Rise9:19PM
Set11:23AM
SATURDAY MORNING
SFO / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Grass Valley | 51 ppb |  Moderate |
| Woodland | 58 ppb | Moderate |
| Yosemite NP Turtleback Dome | 50 ppb |  Good |
| Sparks | 61 ppb | Moderate |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 19 Sep | Ozone | 20 ppb | Good |
| 20 Sep | Particulates smaller than 2.5 microns | 50 ppb | Good |
| 21 Sep | Particulates smaller than 2.5 microns | 50 ppb | Good |
| 22 Sep | Particulates smaller than 2.5 microns | n/a | Moderate |
| 23 Sep | Particulates smaller than 2.5 microns | n/a | Moderate |
| 24 Sep | Particulates smaller than 2.5 microns | n/a | Moderate |
| 25 Sep | Particulates smaller than 2.5 microns | n/a | Good |
Oakland
San Rafael
Redwood City
Rise 6:57AM
Set 7:06PM
Waning gibbous
Rise9:19PM
Set11:23AM
SATURDAY MORNING
SFO / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 21 Sep Saturday | Good |
well-mixed atmosphere, low pressure |
| 22 Sep Sunday | Good |
well-mixed atmosphere, low pressure |
| 23 Sep Monday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 24 Sep Tuesday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 25 Sep Wednesday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 26 Sep Thursday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 27 Sep Friday | Good |
strong winds, well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 21 Sep Morning | Good |
well-mixed atmosphere, low pressure |
| 21 Sep Afternoon | Good |
well-mixed atmosphere, low pressure |
| 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 |