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.
19°C
Passing clouds. Mild.
- 68%
- 28 km/hNW
-
68%
Humidity -
13°C
Dew Point -
19°C
Comfort Level -
16 km
Visibility -
1011.20 mb
Barometric Pressure - Air Quality
Waning gibbous
Rise9:19PM
Set11:23AM
SATURDAY AFTERNOON
SFO / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Sloughhouse | 47 ppb |  Good |
| Grass Valley | 56 ppb |  Moderate |
| Woodland | 50 ppb | Good |
| Yosemite NP Turtleback Dome | 56 ppb | Moderate |
| Sparks | 53 ppb | Moderate |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 20 Sep | Ozone | 21 ppb | Good |
| 21 Sep | Particulates smaller than 2.5 microns | 50 ppb | Good |
| 22 Sep | Particulates smaller than 2.5 microns | 53 ppb | 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 |
| 26 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 AFTERNOON
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 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 |
| 23 Sep Morning | Good |
well-mixed atmosphere, low pressure |