and then 
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Rise 5:58AM
Set 8:14PM
Reporting Station : San Francisco International Airport, CA
There are
9 Weather Alerts
for your area.
9 Weather Alerts
for your area.
55°F
Passing clouds. Cool.
- 74%
- 28 mphWNW
-
74%
Humidity -
47°F
Dew Point -
49°F
Comfort Level -
10 mi
Visibility -
29.95 in
Barometric Pressure - Air Quality
Waning gibbous
Rise12:24AM
Set9:42AM
SATURDAY EVENING
SFO / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Sloughhouse | 53 ppb |  Moderate |
| Grass Valley | 50 ppb |  Good |
| Woodland | 53 ppb | Moderate |
| Colfax | 45 ppb | Good |
| Lassen Volcanic NP | 49 ppb | Good |
| Yosemite NP Turtleback Dome | 54 ppb | Moderate |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 16 May | Ozone | 28 ppb | Good |
| 17 May | Particulates smaller than 2.5 microns | 44 ppb | Good |
| 18 May | Particulates smaller than 2.5 microns | 53 ppb | Moderate |
| 19 May | Particulates smaller than 2.5 microns | 55 ppb | Moderate |
| 20 May | Particulates smaller than 2.5 microns | n/a | Moderate |
| 21 May | Particulates smaller than 2.5 microns | n/a | Moderate |
| 22 May | Particulates smaller than 2.5 microns | n/a | Moderate |
Oakland
San Rafael
Redwood City
Rise 5:58AM
Set 8:14PM
Waning gibbous
Rise12:24AM
Set9:42AM
SATURDAY EVENING
SFO / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 18 May Sunday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 19 May Monday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 20 May Tuesday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 21 May Wednesday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 22 May Thursday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 23 May Friday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 24 May Saturday | Good |
strong winds, well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 17 May Evening | Good |
strong winds, well-mixed atmosphere, low pressure |
| 18 May Night | Good |
strong winds, well-mixed atmosphere, low pressure |
| 18 May Morning | Good |
well-mixed atmosphere, low pressure |
| 18 May Afternoon | Good |
strong winds, well-mixed atmosphere, low pressure |
| 18 May Evening | Good |
strong winds, well-mixed atmosphere, low pressure |
| 19 May Night | Good |
well-mixed atmosphere, low pressure |
| 19 May Morning | Good |
well-mixed atmosphere, low pressure |
| 19 May Afternoon | Good |
strong winds, well-mixed atmosphere, low pressure |