Mississippi, United States

Hattiesburg, MS Pollen Count Today

View the current allergy index, primary allergen, tree, grass, and weed pollen levels, plus the 5-day pollen forecast for Hattiesburg.

Today's pollen count in Hattiesburg

Today in Hattiesburg, Mississippi, the forecasted pollen level is very high with an allergy index of 5. The primary allergen is Birch. Use the forecast below to see whether conditions are likely to rise, ease, or stay steady over the next few days.

AllergyAva shows forecasted pollen levels and allergy risk estimates for Hattiesburg. Actual exposure can vary by neighborhood, weather, and time outdoors.

Current level
Very High
Allergy index
5
Main allergen
Birch

Pollen Level

Very High Risk
5

Pollen Index

Primary Allergen

Birch

Stay indoors when possible. Use HEPA filters and take prescribed medication.

82°

Temp

58%

Humidity

14

Wind mph

Source: Includes pollen data from Google

Updated May 13, 2026 at 11:13 PM ET.

Check pollen in another city or ZIP code

5-Day Pollen Forecast

Best day this week

Sun - None

Worst day this week

Tomorrow - Very High

Today
66°/46°
5
Very High
Tree0
Grass0
Weed0
Tomorrow
89°/45°
5
Very High
Tree1
Grass0
Weed0
Sat
77°/62°
4
High
Tree1
Grass0
Weed0
Sun
82°/47°
0
None
Tree1
Grass0
Weed0
Mon
78°/58°
3
Moderate
Tree1
Grass0
Weed0
None
Very Low
Low
Moderate
High
Very High

Allergen Breakdown

Birch
Very High
Maple
Moderate
Cedar
Low
Oak
None

Pollen & Allergy Guide for Hattiesburg, MS

Hattiesburg, Mississippi residents can experience significant pollen exposure throughout the year. Tree pollen typically peaks during spring months, while grass pollen dominates in summer. Fall brings elevated ragweed levels, which is one of the most common allergens in the region.

When Is Allergy Season in Hattiesburg?

Allergy season in Hattiesburg generally begins in early spring as trees start releasing pollen. The most intense period varies by allergen type. Monitoring daily pollen counts with Allergy Ava helps you plan ahead and manage symptoms proactively.

Tips for Managing Allergies in Hattiesburg

Track your daily pollen exposure, consult with a local allergist for personalized treatment, and consider starting preventive medications 2-4 weeks before your peak allergy season. Indoor air quality management with HEPA filters can also make a significant difference.

Hattiesburg allergy season calendar

Tree pollen

In season now

Spring

Often drives early-season symptoms

Grass pollen

In season now

Late spring to summer

Can rise around lawns, parks, and open areas

Ragweed/weed pollen

Late summer to fall

Major fall allergy trigger

Mold spores

Varies

Often affected by moisture and decaying leaves

Common pollen triggers around Hattiesburg

TriggerTypical seasonWhat to know
Tree pollenSpringOften drives early-season symptoms
Grass pollenLate spring to summerCan rise around lawns, parks, and open areas
Ragweed/weed pollenLate summer to fallMajor fall allergy trigger
Mold sporesVariesOften affected by moisture and decaying leaves

Hattiesburg pollen forecast in southern Mississippi

Hattiesburg allergy conditions are influenced by Pine Belt geography, regional tree bloom cycles, and seasonal grasses and weeds that can create noticeable swings during active allergy stretches. Searchers looking for a Hattiesburg pollen forecast often want local detail beyond coastal or Jackson summaries.

Daily city-level forecasting helps Hattiesburg residents stay ahead of short-term allergen changes and day-to-day exposure swings.

Frequently asked questions about pollen in Hattiesburg

What is the pollen count in Hattiesburg today?

Today in Hattiesburg, Mississippi, the pollen level is very high with an allergy index of 5. The main allergen to watch is Birch.

When is allergy season in Hattiesburg, Mississippi?

Allergy season in Hattiesburg, Mississippi can vary by allergen and weather conditions. Tree pollen often rises in spring, grass pollen becomes more active in late spring and summer, and weed pollen can remain elevated later in the year depending on local climate and vegetation.

How often should I check the pollen forecast in Hattiesburg?

If you have seasonal allergies in Hattiesburg, it is helpful to check the pollen forecast daily during peak allergy periods. Shifts in wind, rainfall, temperature, and humidity can all change local pollen exposure from one day to the next.

What pollen types affect people in Hattiesburg, Mississippi?

Hattiesburg residents may be affected by tree pollen, grass pollen, and weed pollen during different parts of the year. The strongest trigger depends on the season, nearby vegetation, and current weather conditions.