Palm Bay, Florida Pollen Count & Allergy Forecast
Palm Bay pollen count and allergy forecast — tree, grass, and ragweed seasons and what’s pollinating now
Palm Bay, FL · Pollen season
In September, ragweed pollen is in season in Palm Bay, peaking Aug–Nov.
Based on the seasonal pollen calendar for this region.
Palm Bay on the WeatherStory Allergy Index
Palm Bay ranks #23 of 100 U.S. metros on the WeatherStory Allergy Index, with a modeled load index of 42 and a 335-day combined pollen season — its heaviest load is grass pollen, running 183 days.
- Load index
- 42
- Combined season
- 335 days
- Heaviest load
- Grass · 183 days
See the full 100 worst U.S. cities for pollen — a modeled seasonal load ranking (see methodology).
Ragweed pollen typically leads in Palm Bay in September, at an estimated High level.
Pollen by type this season
- TreeOut of season
- GrassOut of season
- Weed / RagweedIn season
What pollinates near Palm Bay
The tree, grass, and weed species that drive Palm Bay’s pollen seasons, with each plant’s typical peak.
Trees
- Oak Quercuspeaks March–April
- Loblolly pine Pinus taedapeaks March–April
- Pecan Carya illinoinensispeaks April–May
- Sweetgum Liquidambar styracifluapeaks March–April
- Mulberry Moruspeaks March–April
- Elm Ulmuspeaks February–March
Grasses
- Bermuda grass Cynodon dactylonpeaks May–September
- Bahia grass Paspalum notatumpeaks May–September
- Johnson grass Sorghum halepensepeaks June–August
- Timothy Phleum pratensepeaks May–June
Weeds
- Common ragweed Ambrosia artemisiifoliapeaks August–October
- Giant ragweed Ambrosia trifidapeaks August–October
- Pigweed Amaranthuspeaks August–September
- English plantain Plantago lanceolatapeaks May–September
Species are the region’s common wind-pollinated plants; peak months are a seasonal estimate, not a measured count — see methodology.
Palm Bay’s allergy year
Typical month-by-month pollen intensity for Palm Bay, tuned to its latitude and climate region — darker means higher typical counts. The highlighted column is the current month.
How Palm Bay compares to the U.S. average
Each colored bar is Palm Bay’s typical season against the national-average window (grey). The offset is the per-city timing shift.
“U.S. average” is the textbook tree Mar–May, grass May–Jul, ragweed Aug–Oct calendar. The shift is a phenology estimate (Hopkins’ bioclimatic law), not a measured count — see methodology.
How Palm Bay’s pollen count works
The calendar above is tuned to Palm Bay’s warm, humid subtropical Southeast climate, not a national average: tree pollen runs from week 1 (early January) to week 13 (late March), grass from week 10 (early March) to week 35 (late August), and ragweed from week 31 (early August) to week 48 (late November) here — a 335-day combined pollen season. Those windows are why ragweed pollen is the one in season in Palm Bay right now.
No live count is wired up for Palm Bay today, so the seasonal calendar above is your guide to which allergen is in season.
For the science behind Palm Bay’s pollen seasons — how counts are measured, when each type peaks, and what the numbers mean — see the pollen count scale and the other pollen & allergy guides.
Frequently asked
- When is pollen worst in Palm Bay?
- The late-summer ragweed run is the headline in Palm Bay: weed pollen peaks Aug–Nov, the longest and most punishing window of the year here. Tree pollen comes first (Jan–Mar) and grass bridges the gap (Mar–Aug), but it's the ragweed stretch that floors most sufferers. Currently, ragweed pollen is in season.
- What's in the air in Palm Bay right now?
- In September, ragweed pollen is in season in Palm Bay, peaking Aug–Nov. On Palm Bay's warm, humid subtropical Southeast calendar the typical September level is High, led by ragweed pollen — a seasonal estimate, not a live count.
- Is tree or grass pollen higher in Palm Bay in spring?
- In spring, tree pollen leads in Palm Bay — trees pollinate Jan–Mar, ahead of grass (Mar–Aug). The handoff is the tail of the tree window: tree counts taper as grass climbs, so an early-spring flare is more likely tree pollen and a late-spring one more likely grass.
- What makes Palm Bay's pollen season distinctive?
- Palm Bay sits in the warm, humid subtropical Southeast zone, which means an unusually long, overlapping season — the warm climate stretches grass across much of the year and pushes ragweed deep into autumn. That shapes when symptoms hit and which allergen to watch.
- How do I reduce pollen exposure in Palm Bay?
- Through Palm Bay's peak windows (tree Jan–Mar, grass Mar–Aug, ragweed Aug–Nov), keep windows shut and run AC on recirculate; counts run highest on dry, warm, windy mornings, so push outdoor activity to late afternoon or just after rain, which clears pollen from the air. A HEPA purifier indoors, a saline rinse after being outside, showering before bed, and starting antihistamines a week or two before your worst local window all measurably cut symptoms.
- When does the next pollen season start in Palm Bay?
- Tree pollen is next in Palm Bay: it opens around week 1 (early January), peaks around week 7, and runs about 91 days.
- What is the allergy forecast in Palm Bay today?
- With no live reading for Palm Bay today, its allergy forecast is the seasonal estimate above: a typical September level of High, led by ragweed pollen.