Tree Pollen Count in Blue Ash, OH

Last updated Friday, November 6, 2026

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

Pollen by type in Blue Ash

What is the tree pollen count in Blue Ash today?

The Blue Ash 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.

Blue Ash’s overall pollen count today is 22 (Low) across all types. See the full Blue Ash pollen count for the overall index and every type together.

Blue Ash is a city in Hamilton County, Ohio. Its population is 13,374 (ACS 2023).

Blue Ash Tree Pollen Count: 5-Day Forecast

DayOverall indexCategory
Friday, November 622Low
Saturday, November 722Low
Sunday, November 822Low
Monday, November 921Low
Tuesday, November 1021Low

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

Species driving Blue Ash’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 Blue Ash now — tree pollen

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

In the Midwest & Great Lakes pattern, the plants that typically shape this city’s year are spring trees, late-spring and summer grasses, and late-summer and autumn 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 run from March into May, later near the big lakes. This month sits outside the usual tree pollen window for the Midwest & Great Lakes pattern, so today’s tree pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. The Ohio allergy season guide singles out ragweed, the state’s fall heavyweight, over a three-act year.

Blue Ash allergies today

Blue Ash allergies today are set by the same reading as the Blue Ash pollen count today: the Total Pollen Index is 22 (Low), and the tree pollen index on this page is 0.6 (Low) of it. When people ask about Blue Ash allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Blue Ash.

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

Blue Ash grass pollen count

Blue Ash ragweed pollen count

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

See Blue Ash on the pollen map

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

Ohio allergy season guide

Tree pollen season

Find an allergist in Blue Ash, OH

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).