Grass Pollen Count in Corona de Tucson, AZ — Today
Updated Saturday, November 7, 2026
Pollen by type in Corona de Tucson
What is the grass pollen count in Corona de Tucson today?
The Corona de Tucson grass pollen index today is 2 (Low) on Pollen Atlas’s modelled 0–100 scale. Low
Modelled pollen risk index — not a measured count.
Corona de Tucson’s overall pollen count today is 19 (Low) across all types. See the full Corona de Tucson pollen count for the overall index and every type together.
Corona de Tucson Grass Pollen Count: 5-Day Forecast
| Day | Overall index | Category |
|---|---|---|
| Saturday, November 7 | 19 | Low |
| Sunday, November 8 | 18 | Low |
| Monday, November 9 | 18 | Low |
| Tuesday, November 10 | 18 | Low |
| Wednesday, November 11 | 18 | 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 Corona de Tucson’s overall trend across the week. Today’s grass pollen reading is the headline above.
Species driving Corona de Tucson’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 Corona de Tucson is 2 (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 Desert Southwest pattern, the plants that typically shape this city’s year are irrigated landscape trees and grasses, with wind-carried weeds in open ground.
The Arizona allergy season guide singles out mulberry, ash and olive — planted trees, not wild desert flora.
Plants affecting Corona de Tucson now — grass pollen
Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Corona de Tucson. The type summary stands: grass pollen reads 2 (Low) today.
In the Desert Southwest pattern, the plants that typically shape this city’s year are irrigated landscape trees and grasses, with wind-carried weeds in open ground — 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.
Irrigated Bermuda grass runs long rather than intense, across much of the warm season. This month sits inside the grass pollen window for the Desert Southwest pattern, so today’s grass pollen reading should be judged against that chapter of the Arizona year. The Arizona allergy season guide singles out mulberry, ash and olive — planted trees, not wild desert flora.
Corona de Tucson allergies today
Corona de Tucson allergies today are set by the same reading as the Corona de Tucson pollen count today: the Total Pollen Index is 19 (Low), and the grass pollen index on this page is 2 (Low) of it. When people ask about Corona de Tucson allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Corona de Tucson.
Allergies in Corona de Tucson follow the Arizona calendar set out on the full Corona de Tucson 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 Corona de Tucson 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 Corona de Tucson allergy forecast for the grass pollen season: it shows whether Corona de Tucson 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.
Corona de Tucson tree pollen count
Corona de Tucson ragweed pollen count
See Corona de Tucson 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).