Tree Pollen Count in Trujillo Alto, PR

Last updated Friday, November 6, 2026

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

Pollen by type in Trujillo Alto

What is the tree pollen count in Trujillo Alto today?

The Trujillo Alto tree pollen index today is 12 (Low) on Pollen Atlas’s modelled 0–100 scale. Low

Modelled pollen risk index — not a measured count.

Trujillo Alto’s overall pollen count today is 13 (Low) across all types. See the full Trujillo Alto pollen count for the overall index and every type together.

Trujillo Alto is in Trujillo Alto Municipio, Puerto Rico. Its population is 43,752 (ACS 2023).

Trujillo Alto Tree Pollen Count: 5-Day Forecast

DayOverall indexCategory
Friday, November 613Low
Saturday, November 715Low
Sunday, November 89Low
Monday, November 99Low
Tuesday, November 1021Low

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

Species driving Trujillo Alto’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 12 (Low) today. The plant-by-plant detail that is available, from the Google Pollen API, is in the next section.

Plants affecting Trujillo Alto now — tree pollen

Detailed plant-by-plant readings for the tree pollen category were not returned in today’s source data for Trujillo Alto. The type summary stands: tree pollen reads 12 (Low) today.

In the Southeast pattern, the plants that typically shape this city’s year are spring trees, warm-season 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 can start as early as February and peak in April. This month sits outside the usual tree pollen window for the Southeast pattern, so today’s tree pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. No PR allergy season guide is published yet, so the seasonal context here follows the Southeast regional pattern.

Trujillo Alto allergies today

Trujillo Alto allergies today are set by the same reading as the Trujillo Alto pollen count today: the Total Pollen Index is 13 (Low), and the tree pollen index on this page is 12 (Low) of it. When people ask about Trujillo Alto allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Trujillo Alto.

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

Trujillo Alto grass pollen count

Trujillo Alto ragweed pollen count

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

See Trujillo Alto on the pollen map

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

Worst cities for allergies

Tree pollen season

Find an allergist in Trujillo Alto, PR

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).