Grass Pollen Count in Rouzerville, PA — Today

Updated Saturday, November 7, 2026

Pollen by type in Rouzerville

What is the grass pollen count in Rouzerville today?

The Rouzerville 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.

Rouzerville’s overall pollen count today is 16 (Low) across all types. See the full Rouzerville pollen count for the overall index and every type together.

Rouzerville Grass Pollen Count: 5-Day Forecast

DayOverall indexCategory
Saturday, November 716Low
Sunday, November 816Low
Monday, November 916Low
Tuesday, November 1016Low
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 Rouzerville’s overall trend across the week. Today’s grass pollen reading is the headline above.

Species driving Rouzerville’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 Rouzerville 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 Rouzerville now — grass pollen

Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Rouzerville. 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.

Rouzerville allergies today

Rouzerville allergies today are set by the same reading as the Rouzerville pollen count today: the Total Pollen Index is 16 (Low), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Rouzerville allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Rouzerville.

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

Rouzerville tree pollen count

Rouzerville ragweed pollen count

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

See Rouzerville 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 Rouzerville, 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).