Tree Pollen Count in Rosedale, MD

Last updated Friday, November 6, 2026

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

This reading is the forecast point shared with Essex, MD — 8 nearby places use the same point; Rosedale is 6.4 km from it.

Pollen by type in Rosedale

What is the tree pollen count in Rosedale today?

The Rosedale tree pollen index today is 0.6 (Low) on Pollen Atlas’s modelled 0–100 scale. Low

Modelled pollen risk index — not a measured count.

Rosedale’s overall pollen count today is 9 (Low) across all types. See the full Rosedale pollen count for the overall index and every type together.

Rosedale is a census-designated place in Baltimore County, Maryland. Its population is 20,845 (ACS 2023).

Rosedale Tree Pollen Count: 5-Day Forecast

DayOverall indexCategory
Friday, November 69Low
Saturday, November 723Low
Sunday, November 823Low
Monday, November 923Low
Tuesday, November 1022Low

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

Species driving Rosedale’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 0.6 (Low) today. The plant-by-plant detail that is available, from the Google Pollen API, is in the next section.

Plants affecting Rosedale now — tree pollen

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

In the Northeast pattern, the plants that typically shape this city’s year are spring trees, late-spring grasses and late-summer ragweed — 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.

Trees open in late March and build to an oak-led peak in May. This month sits outside the usual tree pollen window for the Northeast pattern, so today’s tree pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. The Maryland allergy season guide singles out oak, the mid-Atlantic heavyweight, peaking hard in late April and May.

Rosedale allergies today

Rosedale allergies today are set by the same reading as the Rosedale pollen count today: the Total Pollen Index is 9 (Low), and the tree pollen index on this page is 0.6 (Low) of it. When people ask about Rosedale allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Rosedale.

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

Rosedale grass pollen count

Rosedale ragweed pollen count

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

See Rosedale on the pollen map

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

Maryland allergy season guide

Tree pollen season

Find an allergist in Rosedale, MD

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).