Grass Pollen Count in Gladstone, OR

Last updated Friday, November 6, 2026

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

Pollen by type in Gladstone

What is the grass pollen count in Gladstone today?

The Gladstone 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.

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

Gladstone is a city in Clackamas County, Oregon. Its population is 11,986 (ACS 2023).

Gladstone Grass Pollen Count: 5-Day Forecast

DayOverall indexCategory
Friday, November 618Low
Saturday, November 77Low
Sunday, November 88Low
Monday, November 916Low
Tuesday, November 1016Low

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

Species driving Gladstone’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 Gladstone 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 Pacific Northwest pattern, the plants that typically shape this city’s year are spring trees and late-spring grasses in the Pacific Northwest pattern.

The Oregon allergy season guide singles out alder and hazelnut early, then the Willamette Valley’s seed grasses.

Plants affecting Gladstone now — grass pollen

Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Gladstone. The type summary stands: grass pollen reads 0.6 (Low) today.

In the Pacific Northwest pattern, the plants that typically shape this city’s year are spring trees and late-spring grasses in the Pacific Northwest pattern — 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 May, peaking in late spring and early summer. This month sits outside the usual grass pollen window for the Pacific Northwest pattern, so today’s grass pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. The Oregon allergy season guide singles out alder and hazelnut early, then the Willamette Valley’s seed grasses.

Gladstone allergies today

Gladstone allergies today are set by the same reading as the Gladstone 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 Gladstone allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Gladstone.

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

Gladstone tree pollen count

Gladstone ragweed pollen count

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

See Gladstone on the pollen map

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

Oregon allergy season guide

Grass pollen season

Find an allergist in Gladstone, OR

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).