Tree Pollen Count in Cos Cob, CT

Pollen by type in Cos Cob

• Cos Cob grass pollen count
• Cos Cob ragweed pollen count
• Cos Cob pollen count

What is the tree pollen count in Cos Cob today?

The Cos Cob 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.

Cos Cob’s overall pollen count today is 7 (Low) across all types. See the full Cos Cob pollen count for the overall index and every type together.

Cos Cob Tree Pollen Count: 5-Day Forecast

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

Species driving Cos Cob’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 Cos Cob now — tree pollen

Detailed plant-by-plant readings for the tree pollen category were not returned in today’s source data for Cos Cob. 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 Connecticut allergy season guide singles out oak, the spring heavyweight peaking in May, with birch alongside.

Cos Cob allergies today

Cos Cob allergies today are set by the same reading as the Cos Cob pollen count today: the Total Pollen Index is 7 (Low), and the tree pollen index on this page is 0.6 (Low) of it. When people ask about Cos Cob allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Cos Cob.

Allergies in Cos Cob follow the Connecticut calendar set out on the full Cos Cob 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 Cos Cob 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 Cos Cob allergy forecast for the tree pollen season: it shows whether Cos Cob 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.