Grass Pollen Count in Oregon City, OR — Today
Updated Saturday, November 7, 2026
Pollen by type in Oregon City
What is the grass pollen count in Oregon City today?
The Oregon City 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.
Oregon City’s overall pollen count today is 12 (Low) across all types. See the full Oregon City pollen count for the overall index and every type together.
Oregon City is a city in Clackamas County, Oregon. Its population is 37,482 (ACS 2023).
Oregon City Grass Pollen Count: 5-Day Forecast
| Day | Overall index | Category |
|---|---|---|
| Saturday, November 7 | 12 | Low |
| Sunday, November 8 | 8 | Low |
| Monday, November 9 | 18 | Low |
| Tuesday, November 10 | 11 | Low |
| Wednesday, November 11 | 17 | Low |
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 Oregon City’s overall trend across the week. Today’s grass pollen reading is the headline above.
Species driving Oregon City’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 Oregon City 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 Oregon City now — grass pollen
Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Oregon City. 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.
Oregon City allergies today
Oregon City allergies today are set by the same reading as the Oregon City pollen count today: the Total Pollen Index is 12 (Low), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Oregon City allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Oregon City.
Allergies in Oregon City follow the Oregon calendar set out on the full Oregon City 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 Oregon City 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 Oregon City allergy forecast for the grass pollen season: it shows whether Oregon City 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 Oregon City pollen count — all types, the overall index and today’s ranking context
Oregon City ragweed pollen count
See how Oregon City ranks in today's pollen count rankings — the worst cities for allergies today
See Oregon City on the pollen map
Every pollen type, with photos and seasons: the pollen directory
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).