Grass Pollen Count in Rio Grande, Brazil — Today

Updated Monday, November 9, 2026

Pollen by type in Rio Grande

What is the grass pollen count in Rio Grande today?

The Rio Grande grass pollen index today is 29 (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 Rio Grande today. See the full Rio Grande pollen count for the overall index and every type together.

Rio Grande is in Rio Grande, Rio Grande do Sul, Brazil. Its population is 198,935 (GeoNames).

Rio Grande Grass Pollen Count: 5-Day Forecast

DayOverall indexCategory
Monday, November 929Low
Tuesday, November 1030Low
Wednesday, November 1131Low
Thursday, November 1229Low
Friday, November 1330Low

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 Rio Grande’s overall trend across the week. Today’s grass pollen reading is the headline above.

Species driving Rio Grande’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 Rio Grande is 29 (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 Global pattern, the plants that shape this city’s year vary with its local climate and vegetation, and no single regional calendar is published for this area.

Plants affecting Rio Grande now — grass pollen

Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Rio Grande. The type summary stands: grass pollen reads 29 (Low) today.

In the Global pattern, the plants that shape this city’s year vary with its local climate and vegetation, and no single regional calendar is published for this area — 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.

Grass pollen seasons vary with local climate and vegetation, and the measured value outranks any general seasonal expectation. No regional calendar is asserted for this area, so today’s grass pollen reading is reported as a modelled index value, without placing this month inside or outside a regional window. No Brazil allergy season guide is published yet, so the seasonal context here follows the Global regional pattern.

Rio Grande allergies today

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

Allergies in Rio Grande follow the Brazil calendar set out on the full Rio Grande 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 Rio Grande 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 Rio Grande allergy forecast for the grass pollen season: it shows whether Rio Grande 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 Rio Grande pollen count — all types, the overall index and today’s ranking context

Rio Grande tree pollen count

Rio Grande ragweed pollen count

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

See Rio Grande on the pollen map

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

Worst cities for allergies

Grass pollen season

Find an allergist in Rio Grande, Brazil

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).