Grass Pollen Count in Kofu, Japan

Last updated Friday, November 6, 2026

This page shows the most recent reading available for Kofu — from Friday, November 6, 2026 (1 day ago) — not today's reading.

Pollen by type in Kofu

What is the grass pollen count in Kofu today?

The Kofu 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.

Kofu’s overall pollen count today is 19 (Low) across all types. See the full Kofu pollen count for the overall index and every type together.

Kofu is in Kōfu-shi, Yamanashi, Japan. Its population is 189,591 (GeoNames).

Kofu Grass Pollen Count: 5-Day Forecast

DayOverall indexCategory
Friday, November 619Low
Saturday, November 718Low
Sunday, November 819Low
Monday, November 917Low
Tuesday, November 1017Low

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

Species driving Kofu’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 Kofu 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 Global pattern, the plants that shape this city’s year vary with its local climate and vegetation, and no single regional calendar is published for this area.

Plants affecting Kofu now — grass pollen

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

In the Global pattern, the plants that shape this city’s year vary with its local climate and vegetation, and no single regional calendar is published for this area — 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.

Grass pollen seasons vary with local climate and vegetation, and the measured value outranks any general seasonal expectation. No regional calendar is asserted for this area, so today’s grass pollen reading is reported as a modelled index value, without placing this month inside or outside a regional window. No Japan allergy season guide is published yet, so the seasonal context here follows the Global regional pattern.

Kofu allergies today

Kofu allergies today are set by the same reading as the Kofu pollen count today: the Total Pollen Index is 19 (Low), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Kofu allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Kofu.

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

Kofu tree pollen count

Kofu ragweed pollen count

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

See Kofu 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 Kofu, Japan

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).