Grass Pollen Count in Port Arthur, TX — Today
Updated Saturday, November 7, 2026
Pollen by type in Port Arthur
What is the grass pollen count in Port Arthur today?
The Port Arthur grass pollen index today is 6 (Low) on Pollen Atlas’s modelled 0–100 scale. Low
Modelled pollen risk index — not a measured count.
Port Arthur’s overall pollen count today is 19 (Low) across all types. See the full Port Arthur pollen count for the overall index and every type together.
Port Arthur is a city spanning Jefferson County and Orange County in Texas. Its population is 55,779 (ACS 2023).
Port Arthur Grass Pollen Count: 5-Day Forecast
| Day | Overall index | Category |
|---|---|---|
| Saturday, November 7 | 19 | Low |
| Sunday, November 8 | 19 | Low |
| Monday, November 9 | 18 | Low |
| Tuesday, November 10 | 12 | Low |
| Wednesday, November 11 | 11 | 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 Port Arthur’s overall trend across the week. Today’s grass pollen reading is the headline above.
Species driving Port Arthur’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 Port Arthur is 6 (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 Gulf & South Texas pattern, the plants that typically shape this city’s year are spring trees, warm-season grasses, late-summer ragweed and winter mountain cedar in the west of the region.
The Texas allergy season guide singles out mountain cedar — Ashe juniper — in winter, oak in spring and ragweed from August.
Plants affecting Port Arthur now — grass pollen
Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Port Arthur. The type summary stands: grass pollen reads 6 (Low) today.
In the Gulf & South Texas pattern, the plants that typically shape this city’s year are spring trees, warm-season grasses, late-summer ragweed and winter mountain cedar in the west of the region — 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 carry the hot months, with mold close behind in the Gulf humidity. This month sits outside the usual grass pollen window for the Gulf & South Texas pattern, so today’s grass pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. The Texas allergy season guide singles out mountain cedar — Ashe juniper — in winter, oak in spring and ragweed from August.
Port Arthur allergies today
Port Arthur allergies today are set by the same reading as the Port Arthur pollen count today: the Total Pollen Index is 19 (Low), and the grass pollen index on this page is 6 (Low) of it. When people ask about Port Arthur allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Port Arthur.
Allergies in Port Arthur follow the Texas calendar set out on the full Port Arthur 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 Port Arthur 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 Port Arthur allergy forecast for the grass pollen season: it shows whether Port Arthur 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 Port Arthur pollen count — all types, the overall index and today’s ranking context
Port Arthur ragweed pollen count
See how Port Arthur ranks in today's pollen count rankings — the worst cities for allergies today
See Port Arthur 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).