Tree Pollen Count in Colle della Castagna, Italy — Today

Updated Monday, November 9, 2026

This reading is the forecast point shared with Valvarino, Italy — 8 nearby places use the same point; Colle della Castagna is 1.5 km from it.

Pollen by type in Colle della Castagna

What is the tree pollen count in Colle della Castagna today?

The Colle della Castagna tree pollen index today is 22 (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 Colle della Castagna today. See the full Colle della Castagna pollen count for the overall index and every type together.

Colle della Castagna is in Città metropolitana di Roma Capitale, Lazio, Italy. Its population is 77 (GeoNames).

Colle della Castagna Tree Pollen Count: 5-Day Forecast

DayOverall indexCategory
Monday, November 922Low
Tuesday, November 1014Low
Wednesday, November 1121Low
Thursday, November 129Low
Friday, November 138Low

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 Colle della Castagna’s overall trend across the week. Today’s tree pollen reading is the headline above.

Species driving Colle della Castagna’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 Colle della Castagna now — tree pollen

Detailed plant-by-plant readings for the tree pollen category were not returned in today’s source data for Colle della Castagna. The type summary stands: tree pollen reads 22 (Low) today.

In the Mediterranean pattern, the plants that typically shape this city’s year are winter cypress and early hazel, spring grasses and olive, and late-summer weeds spread across a long, mild season — 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.

Cypress opens the year in winter, hazel and alder follow early, and olive carries the spring peak from April into May. This month sits outside the usual tree pollen window for the Mediterranean pattern, so today’s tree pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. No Italy allergy season guide is published yet, so the seasonal context here follows the Mediterranean regional pattern.

Colle della Castagna allergies today

Colle della Castagna allergies today are set by the same reading as the Colle della Castagna pollen count today: the Total Pollen Index is 22 (Low), and the tree pollen index on this page is 22 (Low) of it. When people ask about Colle della Castagna allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Colle della Castagna.

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

Colle della Castagna grass pollen count

Colle della Castagna ragweed pollen count

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

See Colle della Castagna 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 Colle della Castagna, Italy

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).