Tree Pollen Count in Hathaway Pines, CA — Today
Updated Saturday, November 7, 2026
Pollen by type in Hathaway Pines
What is the tree pollen count in Hathaway Pines today?
The Hathaway Pines tree pollen index today is 18 (Low) on Pollen Atlas’s modelled 0–100 scale. Low
Modelled pollen risk index — not a measured count.
Hathaway Pines’s overall pollen count today is 15 (Low) across all types. See the full Hathaway Pines pollen count for the overall index and every type together.
Hathaway Pines Tree Pollen Count: 5-Day Forecast
| Day | Overall index | Category |
|---|---|---|
| Saturday, November 7 | 15 | Low |
| Sunday, November 8 | 16 | Low |
| Monday, November 9 | 16 | Low |
| Tuesday, November 10 | 14 | Low |
| Wednesday, November 11 | 14 | 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 Hathaway Pines’s overall trend across the week. Today’s tree pollen reading is the headline above.
Species driving Hathaway Pines’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 18 (Low) today. The plant-by-plant detail that is available, from the Google Pollen API, is in the next section.
Plants affecting Hathaway Pines now — tree pollen
Detailed plant-by-plant readings for the tree pollen category were not returned in today’s source data for Hathaway Pines. The type summary stands: tree pollen reads 18 (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.
Hathaway Pines allergies today
Hathaway Pines allergies today are set by the same reading as the Hathaway Pines pollen count today: the Total Pollen Index is 15 (Low), and the tree pollen index on this page is 18 (Low) of it. When people ask about Hathaway Pines allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Hathaway Pines.
Allergies in Hathaway Pines follow the California calendar set out on the full Hathaway Pines 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 Hathaway Pines 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 Hathaway Pines allergy forecast for the tree pollen season: it shows whether Hathaway Pines 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 Hathaway Pines pollen count — all types, the overall index and today’s ranking context
Hathaway Pines grass pollen count
Hathaway Pines ragweed pollen count
See how Hathaway Pines ranks in today's pollen count rankings — the worst cities for allergies today
See Hathaway Pines 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).