Tree Pollen Count in Norfolk County, ON — Today

Updated Saturday, November 7, 2026

Pollen by type in Norfolk County

What is the tree pollen count in Norfolk County today?

The Norfolk County 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.

Norfolk County’s overall pollen count today is 19 (Low) across all types. See the full Norfolk County pollen count for the overall index and every type together.

Norfolk County is in Haldimand County, Ontario, Canada. Its population is 60,847 (GeoNames).

Norfolk County Tree Pollen Count: 5-Day Forecast

DayOverall indexCategory
Saturday, November 719Low
Sunday, November 827Low
Monday, November 927Low
Tuesday, November 1027Low
Wednesday, November 1126Low

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

Species driving Norfolk County’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 Norfolk County now — tree pollen

Detailed plant-by-plant readings for the tree pollen category were not returned in today’s source data for Norfolk County. 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. No Ontario allergy season guide is published yet, so the seasonal context here follows the Midwest & Great Lakes regional pattern.

Norfolk County allergies today

Norfolk County allergies today are set by the same reading as the Norfolk County pollen count today: the Total Pollen Index is 19 (Low), and the tree pollen index on this page is 0.6 (Low) of it. When people ask about Norfolk County allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Norfolk County.

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

Norfolk County grass pollen count

Norfolk County ragweed pollen count

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

See Norfolk County on the pollen map

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

Worst cities for allergies

Tree pollen season

Find an allergist in Norfolk County, ON

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).