Grass Pollen Count in Nantucket, MA

Last updated Friday, November 6, 2026

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

Pollen by type in Nantucket

What is the grass pollen count in Nantucket today?

The Nantucket grass pollen index today is 1 (Low) on Pollen Atlas’s modelled 0–100 scale. Low

Modelled pollen risk index — not a measured count.

Nantucket’s overall pollen count today is 15 (Low) across all types. See the full Nantucket pollen count for the overall index and every type together.

Nantucket is a census-designated place in Nantucket County, Massachusetts. Its population is 10,837 (ACS 2023).

Nantucket Grass Pollen Count: 5-Day Forecast

DayOverall indexCategory
Friday, November 615Low
Saturday, November 76Low
Sunday, November 812Low
Monday, November 912Low
Tuesday, November 1012Low

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

Species driving Nantucket’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 Nantucket is 1 (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 Northeast pattern, the plants that typically shape this city’s year are spring trees, late-spring grasses and late-summer ragweed.

The Massachusetts allergy season guide singles out birch, opening the spring in April, and oak carrying the peak through May.

Plants affecting Nantucket now — grass pollen

Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Nantucket. The type summary stands: grass pollen reads 1 (Low) today.

In the Northeast pattern, the plants that typically shape this city’s year are spring trees, late-spring 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.

Grasses hold from late May into July. This month sits outside the usual grass pollen window for the Northeast pattern, so today’s grass pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. The Massachusetts allergy season guide singles out birch, opening the spring in April, and oak carrying the peak through May.

Nantucket allergies today

Nantucket allergies today are set by the same reading as the Nantucket pollen count today: the Total Pollen Index is 15 (Low), and the grass pollen index on this page is 1 (Low) of it. When people ask about Nantucket allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Nantucket.

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

Nantucket tree pollen count

Nantucket ragweed pollen count

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

See Nantucket on the pollen map

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

Massachusetts allergy season guide

Grass pollen season

Find an allergist in Nantucket, MA

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).