Grass Pollen Count in Thalwil, Switzerland — Today

Updated Saturday, November 7, 2026

This reading is the forecast point shared with Adliswil, Switzerland — 3 nearby places use the same point; Thalwil is 4.5 km from it.

Pollen by type in Thalwil

What is the grass pollen count in Thalwil today?

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

Modelled pollen risk index — not a measured count.

Thalwil’s overall pollen count today is 12 (Low) across all types. See the full Thalwil pollen count for the overall index and every type together.

Thalwil is in Bezirk Horgen, Zurich, Switzerland. Its population is 13,296 (GeoNames).

Thalwil Grass Pollen Count: 5-Day Forecast

DayOverall indexCategory
Saturday, November 712Low
Sunday, November 812Low
Monday, November 95Low
Tuesday, November 105Low
Wednesday, November 115Low

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 Thalwil’s overall trend across the week. Today’s grass pollen reading is the headline above.

Species driving Thalwil’s grass pollen

The modelled data reports grass as one combined index — there is no species-by-species split for grass anywhere in the data, so this page does not invent one. Today’s modelled grass index for Thalwil is 0.6 (Low), and the 5-day overall trend above shows the shape of the week.

As regional context only — not as today’s readings — in the Continental West pattern, the plants that typically shape this city’s year are early hazel and alder, a birch-led spring, late-spring grasses, and late-summer mugwort and ragweed.

Plants affecting Thalwil now — grass pollen

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

In the Continental West pattern, the plants that typically shape this city’s year are early hazel and alder, a birch-led spring, late-spring grasses, and late-summer mugwort and 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 grass pollen level means

Low risk. Keep windows open; consider allergy meds only if sensitive.

Enjoy outdoor activities.

Grasses hold from May through July, cresting in late May and June. This month sits outside the usual grass pollen window for the Continental West pattern, so today’s grass pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. No Switzerland allergy season guide is published yet, so the seasonal context here follows the Continental West regional pattern.

Thalwil allergies today

Thalwil allergies today are set by the same reading as the Thalwil pollen count today: the Total Pollen Index is 12 (Low), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Thalwil allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Thalwil.

Allergies in Thalwil follow the Switzerland calendar set out on the full Thalwil 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 Thalwil before heading outdoors, the grass 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 Thalwil allergy forecast for the grass pollen season: it shows whether Thalwil 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 Thalwil pollen count — all types, the overall index and today’s ranking context

Thalwil tree pollen count

Thalwil ragweed pollen count

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

See Thalwil on the pollen map

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

Worst cities for allergies

Grass pollen season

Find an allergist in Thalwil, Switzerland

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).