San Francisco, CA
Pollen counts
Trees
High
Grasses
Low
Molds
Low
Weeds
Low
ALL
Mulberry
Oak
Sycamore
Pine
Cedar
Ash
Poplar / Cottonwood / Aspen
Sweet Gum
Birch
Elm
Alder
Olive
Other Tree Pollen
| Mar 16 | 1.4k 1.4k | |
| Mar 15 | 1.5k 1.5k | |
| Mar 14 | 948 948 | |
| Mar 13 | 476 476 | |
| Mar 12 | 600 600 | |
| Mar 11 | 733 733 | |
| Mar 10 | 598 598 | |
| Mar 9 | 182 182 | |
| Mar 8 | 188 188 | |
| Mar 7 | 210 210 |
Pollen counts are measured as spores per cubic meter.
Weather forecast
Today
64° F
Rain likely between 8am and 5pm. Mostly cloudy. High near 64, with temperatures falling to around 60 in the afternoon. Southwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.