Grass Pollen Count in Ribeirão Preto, Brazil — Today
Updated Saturday, November 7, 2026
Pollen by type in Ribeirão Preto
What is the grass pollen count in Ribeirão Preto today?
The Ribeirão Preto grass pollen index today is 25 (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 Ribeirão Preto today. See the full Ribeirão Preto pollen count for the overall index and every type together.
Ribeirão Preto is in Ribeirão Preto, São Paulo, Brazil. Its population is 698,642 (GeoNames).
Ribeirão Preto Grass Pollen Count: 5-Day Forecast
| Day | Overall index | Category |
|---|---|---|
| Saturday, November 7 | 23 | Low |
| Sunday, November 8 | 14 | Low |
| Monday, November 9 | 32 | Low |
| Tuesday, November 10 | 23 | Low |
| Wednesday, November 11 | 32 | 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 Ribeirão Preto’s overall trend across the week. Today’s grass pollen reading is the headline above.
Species driving Ribeirão Preto’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 Ribeirão Preto is 25 (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 Ribeirão Preto now — grass pollen
Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Ribeirão Preto. The type summary stands: grass pollen reads 25 (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.
Ribeirão Preto allergies today
Ribeirão Preto allergies today are set by the same reading as the Ribeirão Preto pollen count today: the Total Pollen Index is 23 (Low), and the grass pollen index on this page is 25 (Low) of it. When people ask about Ribeirão Preto allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Ribeirão Preto.
Allergies in Ribeirão Preto follow the Brazil calendar set out on the full Ribeirão Preto 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 Ribeirão Preto 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 Ribeirão Preto allergy forecast for the grass pollen season: it shows whether Ribeirão Preto 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 Ribeirão Preto pollen count — all types, the overall index and today’s ranking context
Ribeirão Preto tree pollen count
Ribeirão Preto ragweed pollen count
See how Ribeirão Preto ranks in today's pollen count rankings — the worst cities for allergies today
See Ribeirão Preto 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).