South San Francisco, CA
Pollen counts
Grasses
Mid
Weeds
Mid
Trees
Low
Molds
Low
ALL
Grass / All Types
| May 17 | 5 5 | |
| May 16 | 11 11 | |
| May 15 | 7 7 | |
| May 14 | 5 5 | |
| May 13 | 4 4 | |
| May 12 | 2 2 | |
| May 11 | 4 4 | |
| May 10 | 2 2 | |
| May 9 | 2 2 | |
| May 8 | 2 2 |
Pollen counts are measured as spores per cubic meter.
Weather forecast
This Afternoon
71° F
Sunny. High near 71, with temperatures falling to around 67 in the afternoon. West wind 8 to 12 mph, with gusts as high as 18 mph.