Texas pollen and allergy seasons
Texas has a year round calendar, with mountain cedar in winter, oak and grass in spring, and ragweed in the fall.
Twelve month pollen calendar
What is active in August
Cities in Texas
No tracked cities yet for Texas.
Today and worst today come from live readings where available. Typical shows the usual level for this month from the seasonal profile.
Pollen is only half of what's in the air. See today's air quality in Texas for ozone, dust, and smoke readings by city.
The Texas allergy season
Allergy levels in Texas peak in January, when mountain cedar pollen runs highest. The season moves through tree pollen around January, grass in May, weed pollen such as ragweed in September. The lowest pollen levels of the year arrive in July.
Common questions
When does allergy season start in Texas?
Pollen levels in Texas usually begin climbing in January and reach their highest point in January.
What is the worst month for allergies in Texas?
January is typically the worst month in Texas, driven by mountain cedar pollen.
When does ragweed season end in Texas?
Ragweed pollen in Texas usually fades by the end of November, after the first hard frost in colder areas.
When is the best time for allergies in Texas?
July usually brings the lowest pollen levels of the year in Texas.