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Pollen in Switzerland: current values and pollen calendar

There is hardly any pollen in the air right now: on 8 October 2026 all 15 MeteoSwiss measuring stations were at or near zero. The season usually starts with hazel and alder from January, birch mostly peaks in April, and grasses flower from May to August.

Season start (hazel, alder)
January
Birch peak
April
Grasses
May to August
Measuring stations
15
Latest measured day
8 October 2026

Pollen calendar of Switzerland

Mean of all stations 2016 to 2025 by month; the darker, the more pollen of that type (calculated by the Swiss Living Index from MeteoSwiss daily values).

JanFebMarAprMayJunJulAugSepOctNovDec
Alder
Birch
Hazel
Beech
Ash
Oak
Grasses

Current daily values (8 October 2026, grains per m³)

StationAlderBirchHazelBeechAshOakGrasses
Basel0000000
Bern0000000
Buchs, SG0000000
Davos / Wolfgang0000000
Genève0000000
La Chaux-de-Fonds0000000
Lausanne0000000
Locarno / Monti0000000
Lugano0000000
Luzern0000000
Münsterlingen0000000
Neuchâtel0000000
Payerne0000000
Sion0000000
Zürich0000000

Daily mean from 6 to 6 UTC. Empty field: no value reported yet.

Main season by station

The weeks around the strongest week in which the ten-year mean reaches at least 10 % of it.

StationHazelAlderBirchAshGrasses
Baselwk 1–11wk 5–11wk 12–17wk 11–16wk 18–32
Bernwk 4–13wk 4–12wk 13–17wk 12–17wk 18–32
Buchs, SGwk 3–12wk 1–51wk 13–16wk 12–17wk 18–32
Davos / Wolfgangwk 4–14wk 8–26wk 13–21wk 12–18wk 18–35
Genèvewk 3–12wk 5–11wk 13–17wk 11–16wk 18–32
La Chaux-de-Fondswk 5–14wk 5–13wk 13–19wk 12–18wk 20–29
Lausannewk 1–12wk 5–12wk 13–17wk 12–17wk 18–33
Locarno / Montiwk 1–11wk 5–11wk 13–18wk 9–17wk 14–37
Luganowk 1–11wk 5–11wk 13–18wk 10–17wk 15–36
Luzernwk 3–11wk 4–12wk 13–17wk 12–16wk 18–32
Münsterlingenwk 2–11wk 5–11wk 13–17wk 12–16wk 18–32
Neuchâtelwk 3–12wk 5–11wk 13–17wk 12–16wk 18–33
Payernewk 1–11wk 6–11wk 13–17wk 12–16wk 18–31
Sionwk 5–9wk 5–9wk 19–19wk 9–19wk 19–33
Zürichwk 3–11wk 5–12wk 13–16wk 12–16wk 18–33

Which station applies to my canton?

CantonNearest stationDistance
ZurichZürich0 km
BernBern0 km
LucerneLuzern0 km
UriLuzern37 km
SchwyzLuzern31 km
ObwaldenLuzern21 km
NidwaldenLuzern14 km
GlarusBuchs, SG35 km
ZugLuzern21 km
FribourgPayerne10 km
SolothurnBasel32 km
Basel-StadtBasel0 km
Basel-LandschaftBasel15 km
SchaffhausenZürich38 km
Appenzell Outer RhodesBuchs, SG26 km
Appenzell Inner RhodesBuchs, SG19 km
St. GallenBuchs, SG0 km
GrisonsDavos / Wolfgang0 km
AargauZürich29 km
ThurgauMünsterlingen0 km
TicinoLocarno / Monti0 km
VaudLausanne0 km
ValaisSion0 km
NeuchâtelLa Chaux-de-Fonds0 km
GenevaGenève0 km
JuraLa Chaux-de-Fonds36 km

Frequently asked questions

When does the pollen season start in Switzerland?

With hazel and alder, usually from January; earlier in mild winters.

When is birch pollen season?

Mostly in April, very intense for a few weeks.

Where do the values come from?

From the MeteoSwiss pollen network of 15 stations; the values are published as open data and taken over here daily.

Source: MeteoSwiss (pollen network, open data CC BY 4.0). Pollen calendar and comparison with the ten-year mean: calculated by the Swiss Living Index. meteoschweiz.admin.ch · JSON

Information, not medical advice.