Tree Pollen Count in Downieville, CA — Today

Updated Saturday, November 7, 2026

Pollen by type in Downieville

What is the tree pollen count in Downieville today?

The Downieville tree pollen index today is 9 (Low) on Pollen Atlas’s modelled 0–100 scale. Low

Modelled pollen risk index — not a measured count.

Tree pollen is the dominant allergen in Downieville today. See the full Downieville pollen count for the overall index and every type together.

Downieville Tree Pollen Count: 5-Day Forecast

DayOverall indexCategory
Saturday, November 77Low
Sunday, November 86Low
Monday, November 96Low
Tuesday, November 106Low
Wednesday, November 116Low

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 Downieville’s overall trend across the week. Today’s tree pollen reading is the headline above.

Species driving Downieville’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 9 (Low) today. The plant-by-plant detail that is available, from the Google Pollen API, is in the next section.

Plants affecting Downieville now — tree pollen

Detailed plant-by-plant readings for the tree pollen category were not returned in today’s source data for Downieville. The type summary stands: tree pollen reads 9 (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.

Downieville allergies today

Downieville allergies today are set by the same reading as the Downieville pollen count today: the Total Pollen Index is 7 (Low), and the tree pollen index on this page is 9 (Low) of it. When people ask about Downieville allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Downieville.

Allergies in Downieville follow the California calendar set out on the full Downieville 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 Downieville 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 Downieville allergy forecast for the tree pollen season: it shows whether Downieville 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 Downieville pollen count — all types, the overall index and today’s ranking context

Downieville grass pollen count

Downieville ragweed pollen count

See how Downieville ranks in today's pollen count rankings — the worst cities for allergies today

See Downieville on the pollen map

Every pollen type, with photos and seasons: the pollen directory

California allergy season guide

Tree pollen season

Find an allergist in Downieville, CA

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).