Grass Pollen Count in Houston, DE — Today

Pollen by type in Houston

• Houston tree pollen count
• Houston ragweed pollen count
• Houston pollen count

What is the grass pollen count in Houston today?

The Houston grass pollen index today is 1 (Low) on Pollen Atlas’s modelled 0–100 scale. Low

Modelled pollen risk index — not a measured count.

Houston’s overall pollen count today is 25 (Low) across all types. See the full Houston pollen count for the overall index and every type together.

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

Species driving Houston’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 Houston is 1 (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 Northeast pattern, the plants that typically shape this city’s year are spring trees, late-spring grasses and late-summer ragweed.

The Delaware allergy season guide singles out oak, peaking in April and May, over a maple and ash opening in March.

Plants affecting Houston now — grass pollen

Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Houston. The type summary stands: grass pollen reads 1 (Low) today.

In the Northeast pattern, the plants that typically shape this city’s year are spring trees, late-spring grasses and late-summer ragweed — 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.

Grasses hold from late May into July. This month sits outside the usual grass pollen window for the Northeast pattern, so today’s grass pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. The Delaware allergy season guide singles out oak, peaking in April and May, over a maple and ash opening in March.

Houston allergies today

Houston allergies today are set by the same reading as the Houston pollen count today: the Total Pollen Index is 25 (Low), and the grass pollen index on this page is 1 (Low) of it. When people ask about Houston allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Houston.

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