Grass Pollen Count in Jacareí, Brazil — Today

Pollen by type in Jacareí

• Jacareí tree pollen count
• Jacareí ragweed pollen count
• Jacareí pollen count

What is the grass pollen count in Jacareí today?

The Jacareí grass pollen index today is 18 (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 Jacareí today. See the full Jacareí pollen count for the overall index and every type together.

Jacareí is in Jacareí, São Paulo, Brazil. Its population is 250,952 (GeoNames).

Jacareí Grass Pollen Count: 5-Day Forecast

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

Species driving Jacareí’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 Jacareí is 18 (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 Jacareí now — grass pollen

Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Jacareí. The type summary stands: grass pollen reads 18 (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.

Jacareí allergies today

Jacareí allergies today are set by the same reading as the Jacareí pollen count today: the Total Pollen Index is 16 (Low), and the grass pollen index on this page is 18 (Low) of it. When people ask about Jacareí allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Jacareí.

Allergies in Jacareí follow the Brazil calendar set out on the full Jacareí 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 Jacareí 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 Jacareí allergy forecast for the grass pollen season: it shows whether Jacareí 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.