Hercules, 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
62° F
Rain likely. Mostly cloudy. High near 62, with temperatures falling to around 60 in the afternoon. Southwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.