Tree Pollen Count in Rock City, IL — Today

Updated Saturday, November 7, 2026

Pollen by type in Rock City

What is the tree pollen count in Rock City today?

The Rock City 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.

Rock City’s overall pollen count today is 29 (Low) across all types. See the full Rock City pollen count for the overall index and every type together.

Rock City Tree Pollen Count: 5-Day Forecast

DayOverall indexCategory
Saturday, November 729Low
Sunday, November 829Low
Monday, November 929Low
Tuesday, November 1029Low
Wednesday, November 1128Low

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

Species driving Rock City’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 Rock City now — tree pollen

Detailed plant-by-plant readings for the tree pollen category were not returned in today’s source data for Rock City. 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 Illinois allergy season guide singles out the classic tree, grass and ragweed sequence at full strength, with mold as a Chicago co-headliner.

Rock City allergies today

Rock City allergies today are set by the same reading as the Rock City pollen count today: the Total Pollen Index is 29 (Low), and the tree pollen index on this page is 0.6 (Low) of it. When people ask about Rock City allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Rock City.

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

Rock City grass pollen count

Rock City ragweed pollen count

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

See Rock City on the pollen map

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

Illinois allergy season guide

Tree pollen season

Find an allergist in Rock City, IL

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).