Grass Pollen Count in New Canaan, CT — Today
Updated Saturday, November 7, 2026
Pollen by type in New Canaan
What is the grass pollen count in New Canaan today?
The New Canaan grass pollen index today is 1 (Low) on Pollen Atlas’s modelled 0–100 scale. Low
Modelled pollen risk index — not a measured count.
New Canaan’s overall pollen count today is 11 (Low) across all types. See the full New Canaan pollen count for the overall index and every type together.
New Canaan Grass Pollen Count: 5-Day Forecast
| Day | Overall index | Category |
|---|---|---|
| Saturday, November 7 | 11 | Low |
| Sunday, November 8 | 15 | Low |
| Monday, November 9 | 15 | Low |
| Tuesday, November 10 | 15 | Low |
| Wednesday, November 11 | 15 | 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 New Canaan’s overall trend across the week. Today’s grass pollen reading is the headline above.
Species driving New Canaan’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 New Canaan is 1 (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 Northeast pattern, the plants that typically shape this city’s year are spring trees, late-spring grasses and late-summer ragweed.
The Connecticut allergy season guide singles out oak, the spring heavyweight peaking in May, with birch alongside.
Plants affecting New Canaan now — grass pollen
Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for New Canaan. The type summary stands: grass pollen reads 1 (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 grass pollen level means
Low risk. Keep windows open; consider allergy meds only if sensitive.
Enjoy outdoor activities.
Grasses hold from late May into July. This month sits outside the usual grass pollen window for the Northeast pattern, so today’s grass 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.
New Canaan allergies today
New Canaan allergies today are set by the same reading as the New Canaan pollen count today: the Total Pollen Index is 11 (Low), and the grass pollen index on this page is 1 (Low) of it. When people ask about New Canaan allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for New Canaan.
Allergies in New Canaan follow the Connecticut calendar set out on the full New Canaan 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 New Canaan 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 New Canaan allergy forecast for the grass pollen season: it shows whether New Canaan 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 New Canaan pollen count — all types, the overall index and today’s ranking context
New Canaan ragweed pollen count
See how New Canaan ranks in today's pollen count rankings — the worst cities for allergies today
See New Canaan 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).