Pollen Count & Forecast for Dallas
About Pollen in Dallas
Dallas’s winter allergy season (December–February) is dominated by Mountain Cedar (Juniperus ashei); pollen is heavy from the Texas Hill Country. Spring (March–May) has high Oak (Quercus) and Pecan (Carya illinoinensis) levels; Oak common around White Rock Lake; Pecan widespread in Turtle Creek. Late summer sees Ragweed (Ambrosia) pollen; plants are found along the Trinity River and Great Trinity Forest.
Flat topography and strong winds transport pollen across the region. Autumn and winter have high Mould (Alternaria, Cladosporium) counts; spores are in damp leaf litter near Bachman Lake and river bottomlands.
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What Pollen Levels Mean
LOW
Symptoms are unlikely
MED
Moderate risk of symptoms
HIGH
Widespread symptoms likely
V.HI
Expect significant symptoms
X.HI
Extremely high symptom likelihood & severity