Ragweed Pollen Count in Riyadh, Saudi Arabia

Last updated Friday, November 6, 2026

This page shows the most recent reading available for Riyadh — from Friday, November 6, 2026 (1 day ago) — not today's reading.

Pollen by type in Riyadh

What is the ragweed pollen count in Riyadh today?

The Riyadh ragweed pollen index today is 27 (Low) on Pollen Atlas’s modelled 0–100 scale. Low

Modelled pollen risk index — not a measured count.

Ragweed pollen is the dominant allergen in Riyadh today. See the full Riyadh pollen count for the overall index and every type together.

Riyadh is in Riyadh Region, Saudi Arabia. Its population is 4,205,961 (GeoNames).

Riyadh Ragweed Pollen Count: 5-Day Forecast

DayOverall indexCategory
Friday, November 624Low
Saturday, November 724Low
Sunday, November 823Low
Monday, November 923Low
Tuesday, November 1016Low

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 Riyadh’s overall trend across the week. Today’s ragweed pollen reading is the headline above.

Species driving Riyadh’s ragweed pollen

Species-level counts are not part of the modelled data Pollen Atlas publishes — the modelled index is reported per pollen type, not per species — so this section gives the type summary: ragweed pollen reads 27 (Low) today. The plant-by-plant detail that is available, from the Google Pollen API, is in the next section.

How to read this: the “ragweed” figure on this site is the modelled weed pollen index — the weed group (ragweed + mugwort) — printed under the ragweed name the rankings use.

Plants affecting Riyadh now — ragweed pollen

Detailed plant-by-plant readings for the ragweed pollen category were not returned in today’s source data for Riyadh. The type summary stands: ragweed pollen reads 27 (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 ragweed pollen level means

Low risk. Keep windows open; consider allergy meds only if sensitive.

Enjoy outdoor activities.

Weed pollen seasons vary with local climate and vegetation, and no regional calendar is asserted for this area. No regional calendar is asserted for this area, so today’s ragweed pollen reading is reported as a modelled index value, without placing this month inside or outside a regional window. No Saudi Arabia allergy season guide is published yet, so the seasonal context here follows the Global regional pattern.

Riyadh allergies today

Riyadh allergies today are set by the same reading as the Riyadh pollen count today: the Total Pollen Index is 24 (Low), and the ragweed pollen index on this page is 27 (Low) of it. When people ask about Riyadh allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Riyadh.

Allergies in Riyadh follow the Saudi Arabia calendar set out on the full Riyadh 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 Riyadh before heading outdoors, the ragweed 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 Riyadh allergy forecast for the ragweed pollen season: it shows whether Riyadh 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 Riyadh pollen count — all types, the overall index and today’s ranking context

Riyadh tree pollen count

Riyadh grass pollen count

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

See Riyadh on the pollen map

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

Worst cities for allergies

Ragweed season

Find an allergist in Riyadh, Saudi Arabia

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).