Grass Pollen Count in St. Leo, FL

Last updated Friday, November 6, 2026

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

Pollen by type in St. Leo

What is the grass pollen count in St. Leo today?

The St. Leo grass pollen index today is 7 (Low) on Pollen Atlas’s modelled 0–100 scale. Low

Modelled pollen risk index — not a measured count.

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

St. Leo Grass Pollen Count: 5-Day Forecast

DayOverall indexCategory
Friday, November 615Low
Saturday, November 720Low
Sunday, November 820Low
Monday, November 918Low
Tuesday, November 1020Low

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

Species driving St. Leo’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 St. Leo is 7 (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 Florida pattern, the plants that typically shape this city’s year are trees, grasses and weeds spread across a long, mild season.

The Florida allergy season guide singles out oak, the signature spring event that often begins in February.

Plants affecting St. Leo now — grass pollen

Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for St. Leo. The type summary stands: grass pollen reads 7 (Low) today.

In the Florida pattern, the plants that typically shape this city’s year are trees, grasses and weeds spread across a long, mild season — 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 run from spring into October or later. This month sits outside the usual grass pollen window for the Florida pattern, so today’s grass pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. The Florida allergy season guide singles out oak, the signature spring event that often begins in February.

St. Leo allergies today

St. Leo allergies today are set by the same reading as the St. Leo pollen count today: the Total Pollen Index is 15 (Low), and the grass pollen index on this page is 7 (Low) of it. When people ask about St. Leo allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for St. Leo.

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

St. Leo tree pollen count

St. Leo ragweed pollen count

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

See St. Leo on the pollen map

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

Florida allergy season guide

Grass pollen season

Find an allergist in St. Leo, FL

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).