and then 
to Add to home screen San Francisco
Rise 7:11AM
Set 7:22PM
Reporting Station : San Francisco International Airport, CA
There are
0 Weather Alerts
for your area.
0 Weather Alerts
for your area.
48°F
Passing clouds. Cool.
- 80%
- 5 mphWSW
-
80%
Humidity -
42°F
Dew Point -
46°F
Comfort Level -
10 mi
Visibility -
30.19 in
Barometric Pressure - Air Quality
Waning gibbous
Rise2:00AM
Set11:00AM
FRIDAY NIGHT
SFO / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Grass Valley | 42 ppb |  Good |
| Yosemite NP Turtleback Dome | 46 ppb | Good |
| Sparks | 55 ppb |  Moderate |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 19 Mar | Particulates smaller than 2.5 microns | 27 ppb | Good |
| 20 Mar | Particulates smaller than 2.5 microns | 33 ppb | Good |
| 21 Mar | Particulates smaller than 2.5 microns | 39 ppb | Good |
| 22 Mar | Particulates smaller than 2.5 microns | n/a | Good |
| 23 Mar | Particulates smaller than 2.5 microns | n/a | Good |
| 24 Mar | Particulates smaller than 2.5 microns | n/a | Moderate |
| 25 Mar | Particulates smaller than 2.5 microns | n/a | Moderate |
Oakland
San Rafael
Redwood City
Rise 7:11AM
Set 7:22PM
Waning gibbous
Rise2:00AM
Set11:00AM
FRIDAY NIGHT
SFO / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 21 Mar Friday | Good |
well-mixed atmosphere, low pressure |
| 22 Mar Saturday | Good |
well-mixed atmosphere, low pressure |
| 23 Mar Sunday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 24 Mar Monday | Good |
well-mixed atmosphere, low pressure |
| 25 Mar Tuesday | Good |
well-mixed atmosphere, low pressure |
| 26 Mar Wednesday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 27 Mar Thursday | Good |
strong winds, well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 21 Mar Night | Good |
well-mixed atmosphere, low pressure |
| 21 Mar Morning | Good |
well-mixed atmosphere, low pressure |
| 21 Mar Afternoon | Good |
well-mixed atmosphere, low pressure |
| 21 Mar Evening | Good |
well-mixed atmosphere, low pressure |
| 22 Mar Night | Good |
well-mixed atmosphere, low pressure |
| 22 Mar Morning | Good |
well-mixed atmosphere, low pressure |
| 22 Mar Afternoon | Good |
well-mixed atmosphere, low pressure |
| 22 Mar Evening | Good |
well-mixed atmosphere, low pressure |