Tree Pollen Count in Granite Bay, CA — Today
Updated Saturday, November 7, 2026
Pollen by type in Granite Bay
What is the tree pollen count in Granite Bay today?
The Granite Bay tree pollen index today is 22 (Low) on Pollen Atlas’s modelled 0–100 scale. Low
Modelled pollen risk index — not a measured count.
Granite Bay’s overall pollen count today is 19 (Low) across all types. See the full Granite Bay pollen count for the overall index and every type together.
Granite Bay is a census-designated place in Placer County, California. Its population is 21,378 (ACS 2023).
Granite Bay Tree Pollen Count: 5-Day Forecast
| Day | Overall index | Category |
|---|---|---|
| Saturday, November 7 | 19 | Low |
| Sunday, November 8 | 18 | Low |
| Monday, November 9 | 18 | Low |
| Tuesday, November 10 | 18 | Low |
| Wednesday, November 11 | 17 | Low |
Pollen Atlas models the daily detail as an overall index: day-by-day splits by individual pollen type are not part of the modelled data, so this table shows Granite Bay’s overall trend across the week. Today’s tree pollen reading is the headline above.
Species driving Granite Bay’s tree pollen
Species-level counts are not part of the modelled data Pollen Atlas publishes — the modelled index is reported per pollen type, not per species — so this section gives the type summary: tree pollen reads 22 (Low) today. The plant-by-plant detail that is available, from the Google Pollen API, is in the next section.
Plants affecting Granite Bay now — tree pollen
Detailed plant-by-plant readings for the tree pollen category were not returned in today’s source data for Granite Bay. The type summary stands: tree pollen reads 22 (Low) today.
In the California pattern, the plants that typically shape this city’s year are winter and spring trees, late-spring grasses and late-summer weeds — named here as regional context only, not as today’s readings.
Plant detail returns here automatically on any day the feed includes it.
What this tree pollen level means
Low risk. Keep windows open; consider allergy meds only if sensitive.
Enjoy outdoor activities.
Trees build through spring, with planted olive peaking from March into May. This month sits outside the usual tree pollen window for the California pattern, so today’s tree pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. The California allergy season guide singles out planted olive and the Central Valley’s concentrated spring pollen.
Granite Bay allergies today
Granite Bay allergies today are set by the same reading as the Granite Bay pollen count today: the Total Pollen Index is 19 (Low), and the tree pollen index on this page is 22 (Low) of it. When people ask about Granite Bay allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Granite Bay.
Allergies in Granite Bay follow the California calendar set out on the full Granite Bay page — the chapters, the plants behind them, and the 5-day forecast show whether today is typical for the season or an exception to it. If you are checking allergies today in Granite Bay before heading outdoors, the tree pollen split on this page is the part to read: it shows whether this pollen type is doing the work today, not just how high the total sits.
Read the five-day overall trend above as the Granite Bay allergy forecast for the tree pollen season: it shows whether Granite Bay allergies are set to ease or build across the week, day by day — the days to plan outdoor time around are the ones where the overall index steps down, not just today.
See the full Granite Bay pollen count — all types, the overall index and today’s ranking context
Granite Bay grass pollen count
Granite Bay ragweed pollen count
See how Granite Bay ranks in today's pollen count rankings — the worst cities for allergies today
See Granite Bay on the pollen map
Every pollen type, with photos and seasons: the pollen directory
Pollen indexes: a modelled pollen risk index computed by Pollen Atlas from open weather, vegetation and phenology data, calibrated against CDC/NAB season data. Plant detail: Google Pollen API. Index values are modelled, not measured counts. Sources: CDC/NAB; USA-NPN; GBIF (CC BY); ESA WorldCover (CC BY 4.0).