Grass Pollen Count in Trout Valley, IL — Today
Updated Saturday, November 7, 2026
Pollen by type in Trout Valley
What is the grass pollen count in Trout Valley today?
The Trout Valley grass pollen index today is 0.6 (Low) on Pollen Atlas’s modelled 0–100 scale. Low
Modelled pollen risk index — not a measured count.
Trout Valley’s overall pollen count today is 29 (Low) across all types. See the full Trout Valley pollen count for the overall index and every type together.
Trout Valley Grass Pollen Count: 5-Day Forecast
| Day | Overall index | Category |
|---|---|---|
| Saturday, November 7 | 29 | Low |
| Sunday, November 8 | 28 | Low |
| Monday, November 9 | 28 | Low |
| Tuesday, November 10 | 28 | Low |
| Wednesday, November 11 | 28 | 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 Trout Valley’s overall trend across the week. Today’s grass pollen reading is the headline above.
Species driving Trout Valley’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 Trout Valley is 0.6 (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 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.
The Illinois allergy season guide singles out the classic tree, grass and ragweed sequence at full strength, with mold as a Chicago co-headliner.
Plants affecting Trout Valley now — grass pollen
Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Trout Valley. The type summary stands: grass 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 grass pollen level means
Low risk. Keep windows open; consider allergy meds only if sensitive.
Enjoy outdoor activities.
Grasses hold from May through July. This month sits outside the usual grass pollen window for the Midwest & Great Lakes pattern, so today’s grass 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.
Trout Valley allergies today
Trout Valley allergies today are set by the same reading as the Trout Valley pollen count today: the Total Pollen Index is 29 (Low), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Trout Valley allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Trout Valley.
Allergies in Trout Valley follow the Illinois calendar set out on the full Trout Valley 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 Trout Valley 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 Trout Valley allergy forecast for the grass pollen season: it shows whether Trout Valley 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 Trout Valley pollen count — all types, the overall index and today’s ranking context
Trout Valley tree pollen count
Trout Valley ragweed pollen count
See how Trout Valley ranks in today's pollen count rankings — the worst cities for allergies today
See Trout Valley 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).