Grass Pollen Count in Morgan Hill, PA — Today

Updated Saturday, November 7, 2026

This reading is the forecast point for Morgan Hill — 2 nearby places use the same point; Morgan Hill is 2.7 km from it.

Pollen by type in Morgan Hill

What is the grass pollen count in Morgan Hill today?

The Morgan Hill 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.

Morgan Hill’s overall pollen count today is 18 (Low) across all types. See the full Morgan Hill pollen count for the overall index and every type together.

Morgan Hill Grass Pollen Count: 5-Day Forecast

DayOverall indexCategory
Saturday, November 718Low
Sunday, November 818Low
Monday, November 918Low
Tuesday, November 1018Low
Wednesday, November 1116Low

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

Species driving Morgan Hill’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 Morgan Hill 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 Pennsylvania allergy season guide singles out oak, peaking in late April and May, with maple sharing the spring stage.

Plants affecting Morgan Hill now — grass pollen

Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Morgan Hill. 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 Pennsylvania allergy season guide singles out oak, peaking in late April and May, with maple sharing the spring stage.

Morgan Hill allergies today

Morgan Hill allergies today are set by the same reading as the Morgan Hill pollen count today: the Total Pollen Index is 18 (Low), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Morgan Hill allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Morgan Hill.

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

Morgan Hill tree pollen count

Morgan Hill ragweed pollen count

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

See Morgan Hill on the pollen map

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

Pennsylvania allergy season guide

Grass pollen season

Find an allergist in Morgan Hill, PA

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).