Grass Pollen Count in Clyde Hill, WA — Today

Updated Saturday, November 7, 2026

Pollen by type in Clyde Hill

What is the grass pollen count in Clyde Hill today?

The Clyde 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.

Clyde Hill’s overall pollen count today is 19 (Low) across all types. See the full Clyde Hill pollen count for the overall index and every type together.

Clyde Hill Grass Pollen Count: 5-Day Forecast

DayOverall indexCategory
Saturday, November 719Low
Sunday, November 89Low
Monday, November 920Low
Tuesday, November 108Low
Wednesday, November 1111Low

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

Species driving Clyde 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 Clyde 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 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 Washington allergy season guide singles out alder and hazelnut from January on the west side, and timothy and sagebrush on Spokane’s continental clock.

Plants affecting Clyde Hill now — grass pollen

Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Clyde Hill. 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 Washington allergy season guide singles out alder and hazelnut from January on the west side, and timothy and sagebrush on Spokane’s continental clock.

Clyde Hill allergies today

Clyde Hill allergies today are set by the same reading as the Clyde Hill pollen count today: the Total Pollen Index is 19 (Low), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Clyde Hill allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Clyde Hill.

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

Clyde Hill tree pollen count

Clyde Hill ragweed pollen count

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

See Clyde Hill on the pollen map

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

Washington allergy season guide

Grass pollen season

Find an allergist in Clyde Hill, WA

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).