and then 
to Add to home screen San Francisco
Rise 7:00AM
Set 7:00PM
Reporting Station : San Francisco International Airport, CA
There are
0 Weather Alerts
for your area.
0 Weather Alerts
for your area.
69°F
Passing clouds. Mild.
- 61%
- 17 mphWNW
-
61%
Humidity -
55°F
Dew Point -
69°F
Comfort Level -
10 mi
Visibility -
29.85 in
Barometric Pressure - Air Quality
Last Quarter
Rise*
Set3:41PM
WEDNESDAY AFTERNOON
SFO / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Sloughhouse | 40 ppb |  Good |
| Grass Valley | 67 ppb |  Moderate |
| Woodland | 44 ppb | Good |
| Colfax | 68 ppb | Moderate |
| Yosemite NP Turtleback Dome | 60 ppb | Moderate |
| Sparks | 58 ppb | Moderate |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 24 Sep | Ozone | 26 ppb | Good |
| 25 Sep | Particulates smaller than 2.5 microns | 44 ppb | Good |
| 26 Sep | Particulates smaller than 2.5 microns | 53 ppb | Moderate |
| 27 Sep | Particulates smaller than 2.5 microns | n/a | Moderate |
| 28 Sep | Particulates smaller than 2.5 microns | n/a | Moderate |
| 29 Sep | Particulates smaller than 2.5 microns | n/a | Moderate |
| 30 Sep | Particulates smaller than 2.5 microns | n/a | Moderate |
Oakland
San Rafael
Redwood City
Rise 7:00AM
Set 7:00PM
Last Quarter
Rise*
Set3:41PM
WEDNESDAY AFTERNOON
SFO / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 25 Sep Wednesday | Good |
well-mixed atmosphere, low pressure |
| 26 Sep Thursday | Good |
well-mixed atmosphere, low pressure |
| 27 Sep Friday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 28 Sep Saturday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 29 Sep Sunday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 30 Sep Monday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 01 Oct Tuesday | Good |
strong winds, well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 25 Sep Afternoon | Good |
well-mixed atmosphere, low pressure |
| 25 Sep Evening | Good |
well-mixed atmosphere, low pressure |
| 26 Sep Night | Good |
well-mixed atmosphere, low pressure |
| 26 Sep Morning | Good |
well-mixed atmosphere, low pressure |
| 26 Sep Afternoon | Good |
well-mixed atmosphere, low pressure |
| 26 Sep Evening | Good |
well-mixed atmosphere, low pressure |
| 27 Sep Night | Good |
well-mixed atmosphere, low pressure |
| 27 Sep Morning | Good |
well-mixed atmosphere, low pressure |