Tree Pollen Count in Foster Brook, PA

Last updated Friday, November 6, 2026

This page shows the most recent reading available for Foster Brook — from Friday, November 6, 2026 (1 day ago) — not today's reading.

Pollen by type in Foster Brook

What is the tree pollen count in Foster Brook today?

The Foster Brook tree pollen index today is 0.6 (Low) on Pollen Atlas’s modelled 0–100 scale. Low

Modelled pollen risk index — not a measured count.

Foster Brook’s overall pollen count today is 5 (Low) across all types. See the full Foster Brook pollen count for the overall index and every type together.

Foster Brook Tree Pollen Count: 5-Day Forecast

DayOverall indexCategory
Friday, November 65Low
Saturday, November 75Low
Sunday, November 85Low
Monday, November 95Low
Tuesday, November 105Low

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

Species driving Foster Brook’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 0.6 (Low) today. The plant-by-plant detail that is available, from the Google Pollen API, is in the next section.

Plants affecting Foster Brook now — tree pollen

Detailed plant-by-plant readings for the tree pollen category were not returned in today’s source data for Foster Brook. The type summary stands: tree pollen reads 0.6 (Low) today.

In the Northeast pattern, the plants that typically shape this city’s year are spring trees, late-spring grasses and late-summer ragweed — 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 open in late March and build to an oak-led peak in May. This month sits outside the usual tree pollen window for the Northeast pattern, so today’s tree pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. The Pennsylvania allergy season guide singles out oak, peaking in late April and May, with maple sharing the spring stage.

Foster Brook allergies today

Foster Brook allergies today are set by the same reading as the Foster Brook pollen count today: the Total Pollen Index is 5 (Low), and the tree pollen index on this page is 0.6 (Low) of it. When people ask about Foster Brook allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Foster Brook.

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

Foster Brook grass pollen count

Foster Brook ragweed pollen count

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

See Foster Brook on the pollen map

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

Pennsylvania allergy season guide

Tree pollen season

Find an allergist in Foster Brook, PA

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).