Portola Valley, CA
Pollen counts
Trees
Low
Grasses
Low
Molds
Low
Weeds
Low
ALL
Alder
Cedar
Pine
Ash
Oak
Other Tree Pollen
| Jan 5 | 7 7 | |
| Jan 4 | 0 0 | |
| Jan 3 | 10 10 | |
| Jan 2 | 9 9 |
Pollen counts are measured as spores per cubic meter.
Weather forecast
Today
64° F
Partly sunny. High near 64, with temperatures falling to around 58 in the afternoon. North northwest wind 1 to 9 mph.