Grass Pollen Count in Iatan, MO

Last updated Friday, November 6, 2026

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

Pollen by type in Iatan

What is the grass pollen count in Iatan today?

The Iatan grass pollen index today is 2 (Low) on Pollen Atlas’s modelled 0–100 scale. Low

Modelled pollen risk index — not a measured count.

Iatan’s overall pollen count today is 26 (Low) across all types. See the full Iatan pollen count for the overall index and every type together.

Iatan Grass Pollen Count: 5-Day Forecast

DayOverall indexCategory
Friday, November 626Low
Saturday, November 726Low
Sunday, November 825Low
Monday, November 925Low
Tuesday, November 1025Low

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

Species driving Iatan’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 Iatan is 2 (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 South-Central Plains pattern, the plants that typically shape this city’s year are spring trees, prairie grasses and late-summer ragweed.

The Missouri allergy season guide singles out oak and hickory over an elm and maple opening, in a season written by the state’s rivers.

Plants affecting Iatan now — grass pollen

Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Iatan. The type summary stands: grass pollen reads 2 (Low) today.

In the South-Central Plains pattern, the plants that typically shape this city’s year are spring trees, prairie grasses and late-summer 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.

Prairie grasses take over in late May and hold the summer. This month sits outside the usual grass pollen window for the South-Central Plains pattern, so today’s grass pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. The Missouri allergy season guide singles out oak and hickory over an elm and maple opening, in a season written by the state’s rivers.

Iatan allergies today

Iatan allergies today are set by the same reading as the Iatan pollen count today: the Total Pollen Index is 26 (Low), and the grass pollen index on this page is 2 (Low) of it. When people ask about Iatan allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Iatan.

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

Iatan tree pollen count

Iatan ragweed pollen count

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

See Iatan on the pollen map

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

Missouri allergy season guide

Grass pollen season

Find an allergist in Iatan, MO

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).