Grass Pollen Count in St. Mary's, AK — Today

Updated Saturday, November 7, 2026

This reading is the forecast point for St. Mary's — 2 nearby places use the same point; St. Mary's is 4 km from it.

Pollen by type in St. Mary's

What is the grass pollen count in St. Mary's today?

The St. Mary's grass pollen index today is 48 (Moderate) on Pollen Atlas’s modelled 0–100 scale. Moderate

Modelled pollen risk index — not a measured count.

Grass pollen is the dominant allergen in St. Mary's today. See the full St. Mary's pollen count for the overall index and every type together.

St. Mary's Grass Pollen Count: 5-Day Forecast

DayOverall indexCategory
Saturday, November 737Low
Sunday, November 837Low
Monday, November 937Low
Tuesday, November 1037Low
Wednesday, November 1134Low

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

Species driving St. Mary's’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. Mary's is 48 (Moderate), and the 5-day overall trend above shows the shape of the week.

As regional context only — not as today’s readings — in the Alaska pattern, the plants that typically shape this city’s year are paper birch above all, with alder and cottonwood opening for it, spruce following, and a brief July grass peak.

The Alaska allergy season guide singles out paper birch, dominating a compressed May peak, with alder and cottonwood opening for it.

Plants affecting St. Mary's now — grass pollen

Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for St. Mary's. The type summary stands: grass pollen reads 48 (Moderate) today.

In the Alaska pattern, the plants that typically shape this city’s year are paper birch above all, with alder and cottonwood opening for it, spruce following, and a brief July grass peak — 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

Moderate risk. If you have allergies, consider meds and limit exposure during peak hours.

Keep windows closed at midday; shower after being outside.

Grass owns July alone, a brief peak after the tree burst. This month sits outside the usual grass pollen window for the Alaska pattern, so today’s grass pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. The Alaska allergy season guide singles out paper birch, dominating a compressed May peak, with alder and cottonwood opening for it.

St. Mary's allergies today

St. Mary's allergies today are set by the same reading as the St. Mary's pollen count today: the Total Pollen Index is 37 (Low), and the grass pollen index on this page is 48 (Moderate) of it. When people ask about St. Mary's allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for St. Mary's.

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

St. Mary's tree pollen count

St. Mary's ragweed pollen count

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

See St. Mary's on the pollen map

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

Alaska allergy season guide

Grass pollen season

Find an allergist in St. Mary's, AK

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).