Tree Pollen Count in Mountlake Terrace, WA — Today

Updated Saturday, November 7, 2026

Pollen by type in Mountlake Terrace

What is the tree pollen count in Mountlake Terrace today?

The Mountlake Terrace tree pollen index today is 15 (Low) on Pollen Atlas’s modelled 0–100 scale. Low

Modelled pollen risk index — not a measured count.

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

Mountlake Terrace is a city in Snohomish County, Washington. Its population is 21,419 (ACS 2023).

Mountlake Terrace Tree Pollen Count: 5-Day Forecast

DayOverall indexCategory
Saturday, November 719Low
Sunday, November 89Low
Monday, November 920Low
Tuesday, November 108Low
Wednesday, November 117Low

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 Mountlake Terrace’s overall trend across the week. Today’s tree pollen reading is the headline above.

Species driving Mountlake Terrace’s tree pollen

Species-level counts are not part of the modelled data Pollen Atlas publishes — the modelled index is reported per pollen type, not per species — so this section gives the type summary: tree pollen reads 15 (Low) today. The plant-by-plant detail that is available, from the Google Pollen API, is in the next section.

Plants affecting Mountlake Terrace now — tree pollen

Detailed plant-by-plant readings for the tree pollen category were not returned in today’s source data for Mountlake Terrace. The type summary stands: tree pollen reads 15 (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 tree pollen level means

Low risk. Keep windows open; consider allergy meds only if sensitive.

Enjoy outdoor activities.

Alder and hazelnut can start in January west of the Cascades, with maple and oak following through April and May. This month sits outside the usual tree pollen window for the Pacific Northwest pattern, so today’s tree 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.

Mountlake Terrace allergies today

Mountlake Terrace allergies today are set by the same reading as the Mountlake Terrace pollen count today: the Total Pollen Index is 19 (Low), and the tree pollen index on this page is 15 (Low) of it. When people ask about Mountlake Terrace allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Mountlake Terrace.

Allergies in Mountlake Terrace follow the Washington calendar set out on the full Mountlake Terrace 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 Mountlake Terrace before heading outdoors, the tree 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 Mountlake Terrace allergy forecast for the tree pollen season: it shows whether Mountlake Terrace 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 Mountlake Terrace pollen count — all types, the overall index and today’s ranking context

Mountlake Terrace grass pollen count

Mountlake Terrace ragweed pollen count

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

See Mountlake Terrace on the pollen map

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

Washington allergy season guide

Tree pollen season

Find an allergist in Mountlake Terrace, 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).