Grass Pollen Count in Middlesex, NJ

Last updated Friday, November 6, 2026

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

This reading is the forecast point for Middlesex — 3 nearby places use the same point; Middlesex is 0.5 km from it.

Pollen by type in Middlesex

What is the grass pollen count in Middlesex today?

The Middlesex 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.

Middlesex’s overall pollen count today is 7 (Low) across all types. See the full Middlesex pollen count for the overall index and every type together.

Middlesex is a borough in Middlesex County, New Jersey. Its population is 14,518 (ACS 2023).

Middlesex Grass Pollen Count: 5-Day Forecast

DayOverall indexCategory
Friday, November 67Low
Saturday, November 717Low
Sunday, November 817Low
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 Middlesex’s overall trend across the week. Today’s grass pollen reading is the headline above.

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

The New Jersey allergy season guide singles out oak, the spring heavyweight statewide, with maple sharing the stage and birch earning a real billing in the northwestern hills.

Plants affecting Middlesex now — grass pollen

Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Middlesex. The type summary stands: grass pollen reads 0.6 (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 New Jersey allergy season guide singles out oak, the spring heavyweight statewide, with maple sharing the stage and birch earning a real billing in the northwestern hills.

Middlesex allergies today

Middlesex allergies today are set by the same reading as the Middlesex pollen count today: the Total Pollen Index is 7 (Low), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Middlesex allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Middlesex.

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

Middlesex tree pollen count

Middlesex ragweed pollen count

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

See Middlesex on the pollen map

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

New Jersey allergy season guide

Grass pollen season

Find an allergist in Middlesex, NJ

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).