Grass Pollen Count in Jeffrey City, WY — Today
Updated Saturday, November 7, 2026
Pollen by type in Jeffrey City
What is the grass pollen count in Jeffrey City today?
The Jeffrey City 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.
Grass pollen is the dominant allergen in Jeffrey City today. See the full Jeffrey City pollen count for the overall index and every type together.
Jeffrey City Grass Pollen Count: 5-Day Forecast
| Day | Overall index | Category |
|---|---|---|
| Saturday, November 7 | 5 | Low |
| Sunday, November 8 | 5 | Low |
| Monday, November 9 | 5 | Low |
| Tuesday, November 10 | 5 | Low |
| Wednesday, November 11 | 5 | 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 Jeffrey City’s overall trend across the week. Today’s grass pollen reading is the headline above.
Species driving Jeffrey City’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 Jeffrey City 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 High Basins pattern, the plants that typically shape this city’s year are river-corridor cottonwood and juniper, brief-summer meadow grasses, and sagebrush flowering late.
The Wyoming allergy season guide singles out sagebrush, the state’s signature allergen, flowering from August into October and peaking in September.
Plants affecting Jeffrey City now — grass pollen
Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Jeffrey City. The type summary stands: grass pollen reads 0.6 (Low) today.
In the High Basins pattern, the plants that typically shape this city’s year are river-corridor cottonwood and juniper, brief-summer meadow grasses, and sagebrush flowering late — 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.
Meadow and hay grasses carry the brief summer, from June into August. This month sits outside the usual grass pollen window for the High Basins pattern, so today’s grass pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. The Wyoming allergy season guide singles out sagebrush, the state’s signature allergen, flowering from August into October and peaking in September.
Jeffrey City allergies today
Jeffrey City allergies today are set by the same reading as the Jeffrey City pollen count today: the Total Pollen Index is 5 (Low), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Jeffrey City allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Jeffrey City.
Allergies in Jeffrey City follow the Wyoming calendar set out on the full Jeffrey 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 Jeffrey City 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 Jeffrey City allergy forecast for the grass pollen season: it shows whether Jeffrey 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 Jeffrey City pollen count — all types, the overall index and today’s ranking context
Jeffrey City tree pollen count
Jeffrey City ragweed pollen count
See how Jeffrey City ranks in today's pollen count rankings — the worst cities for allergies today
See Jeffrey City 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).