Grass Pollen Count in Altdorf, Switzerland — Today

Pollen by type in Altdorf

• Altdorf tree pollen count
• Altdorf ragweed pollen count
• Altdorf pollen count

What is the grass pollen count in Altdorf today?

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

Modelled pollen risk index — not a measured count.

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

Altdorf is in Uri, Switzerland. Its population is 9,401 (GeoNames).

Altdorf Grass Pollen Count: 5-Day Forecast

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

Species driving Altdorf’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 Altdorf is 12 (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 Altdorf now — grass pollen

Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Altdorf. The type summary stands: grass pollen reads 12 (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.

Altdorf allergies today

Altdorf allergies today are set by the same reading as the Altdorf pollen count today: the Total Pollen Index is 9 (Low), and the grass pollen index on this page is 12 (Low) of it. When people ask about Altdorf allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Altdorf.

Allergies in Altdorf follow the Switzerland calendar set out on the full Altdorf 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 Altdorf 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 Altdorf allergy forecast for the grass pollen season: it shows whether Altdorf 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.