Grass Pollen Count in Svatý Jan, Czechia — Today
Updated Monday, November 9, 2026
This reading is the forecast point shared with Kamýk nad Vltavou, Czechia — 2 nearby places use the same point; Svatý Jan is 6.4 km from it.
Pollen by type in Svatý Jan
What is the grass pollen count in Svatý Jan today?
The Svatý Jan 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.
Grass pollen is the dominant allergen in Svatý Jan today. See the full Svatý Jan pollen count for the overall index and every type together.
Svatý Jan is in Okres Příbram, Central Bohemia, Czechia. Its population is 636 (GeoNames).
Svatý Jan Grass Pollen Count: 5-Day Forecast
| Day | Overall index | Category |
|---|---|---|
| Monday, November 9 | 5 | Low |
| Tuesday, November 10 | 5 | Low |
| Wednesday, November 11 | 5 | Low |
| Thursday, November 12 | 5 | Low |
| Friday, November 13 | 5 | Low |
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 Svatý Jan’s overall trend across the week. Today’s grass pollen reading is the headline above.
Species driving Svatý Jan’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 Svatý Jan 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 East pattern, the plants that typically shape this city’s year are a birch-led spring, late-spring and summer grasses, and a strong late-summer ragweed chapter.
Plants affecting Svatý Jan now — grass pollen
Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Svatý Jan. The type summary stands: grass pollen reads 0.6 (Low) today.
In the Continental East pattern, the plants that typically shape this city’s year are a birch-led spring, late-spring and summer grasses, and a strong late-summer ragweed chapter — 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. This month sits outside the usual grass pollen window for the Continental East pattern, so today’s grass pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. No Czechia allergy season guide is published yet, so the seasonal context here follows the Continental East regional pattern.
Svatý Jan allergies today
Svatý Jan allergies today are set by the same reading as the Svatý Jan pollen count today: the Total Pollen Index is 5 (Low), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Svatý Jan allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Svatý Jan.
Allergies in Svatý Jan follow the Czechia calendar set out on the full Svatý Jan 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 Svatý Jan 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 Svatý Jan allergy forecast for the grass pollen season: it shows whether Svatý Jan 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 Svatý Jan pollen count — all types, the overall index and today’s ranking context
Svatý Jan ragweed pollen count
See how Svatý Jan ranks in today's pollen count rankings — the worst cities for allergies today
See Svatý Jan on the pollen map
Every pollen type, with photos and seasons: the pollen directory
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).