Charleston, SC · South Carolina

Charleston, SC Pollen Count Today

View today's allergy index, primary allergen, weather context, tree, grass, and weed pollen levels, plus the 5-day pollen forecast for Charleston.

Today's pollen count in Charleston

Today in Charleston, South Carolina, the forecasted pollen level is moderate with an allergy index of 3. The primary allergen is Grasses. 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 Charleston. Actual exposure can vary by neighborhood, weather, and time outdoors.

Pollen Level

Moderate Risk
3

Google UPI (0–5)

Primary Allergen

Grasses

Consider taking antihistamines before heading outside. Keep windows closed.

63°

Temp

68%

Humidity

12

Wind mph

Pollen: Includes data from Google Maps · Weather: AllergyAva estimated fallback

5-Day Pollen Forecast

Best day this week

Today - Very Low

Worst day this week

Wed - Moderate

Mon
84°/61°
3
Moderate
Tree1
Grass3
Weed3
Tue
84°/61°
3
Moderate
Tree1
Grass2
Weed3
Wed
84°/61°
3
Moderate
Tree1
Grass2
Weed3
Thu
81°/59°
2
Low
Tree1
Grass2
Weed2
Today
78°/57°
1
Very Low
Tree1
Grass1
Weed1
None
Very Low
Low
Moderate
High
Very High

Allergen Breakdown

Grasses
Moderate
Ragweed
Moderate
Elm
Very Low

Ava Personal Risk

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Weather-allergy synergy

Why conditions feel this way today

Charleston's current moderate reading is mainly tied to grasses. Conditions look most manageable when wind is lighter and outdoor exposure is shorter.

Temp
63°F
Humidity
68%
Wind
12 mph
Rain chance
36%

24-hour allergy risk curve

Best outdoor window today in Charleston

Planning estimate
1 PM: High2 PM: High3 PM: High4 PM: High5 PM: High6 PM: Moderate7 PM: Moderate8 PM: Moderate9 PM: Moderate10 PM: Moderate11 PM: Moderate12 AM: Moderate1 AM: Moderate2 AM: Moderate3 AM: Moderate4 AM: Moderate5 AM: High6 AM: High7 AM: High8 AM: High9 AM: High10 AM: High11 AM: High12 PM: High

Better

No clearly better outdoor window while alerts, storm risk, or strong wind are present.

Avoid

Storm periods, gust fronts, and exposed outdoor areas.

Extra caution

Stay indoors during storms, especially if pollen or asthma affects your breathing.

Data Confidence & Sources

Pollen Forecast

Source
Includes data from Google Maps · Pollen API (1×1 km grid resolution)
Last Daily Update

Pollen models recalculate once daily

Weather Conditions

Source
AllergyAva estimated weather fallback
Last Refresh

Weather data updates every 15–30 minutes

Local pollen exposure can vary by micro-vegetation, wind gusts, structural barriers, and time spent outdoors.

Check pollen in another city or ZIP code

Local allergy care

Allergists near Charleston, SC

Use today's pollen forecast alongside nearby allergy and immunology profiles when symptoms need clinical follow-up, testing, or long-term treatment planning.

View all 2

City allergy guide

Charleston allergy profile

Today's risk+

Charleston allergy conditions are shaped by local weather, seasonal vegetation, and short-term changes in wind, rain, humidity, and temperature. Tree pollen is usually more important in spring, grass pollen often builds from late spring into summer, and weed pollen can become more noticeable later in the year.

Use today's pollen index alongside the 5-day forecast to plan commutes, outdoor exercise, yard work, and window-open time in Charleston. Conditions can still vary by neighborhood, nearby plants, and time spent outdoors.

Charleston's guide sections below focus on recurring local exposure patterns. Today's moderate Grasses reading is the live risk signal, while the seasonal and neighborhood notes explain where exposure can still differ during normal routines.

Seasonal guide+

Spring

Tree pollen

Often drives early-season symptoms

Late spring to summer

Grass pollen

Can rise around lawns, parks, and open areas

Late summer to fall

Ragweed/weed pollen

Major fall allergy trigger

Varies

Mold spores

Often affected by moisture and decaying leaves

Treatment and planning tips+

Track the forecast

Check Charleston pollen levels daily during active allergy periods.

Reduce indoor exposure

Keep windows closed on high-pollen days and use HVAC or HEPA filtration when appropriate.

Plan medication timing

Follow your clinician's or product-label instructions, especially before your usual peak season.

Charleston seasonal pollen 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

In season now

Late summer to fall

Major fall allergy trigger

Mold spores

Varies

Often affected by moisture and decaying leaves

Common pollen triggers around Charleston

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

Charleston pollen forecast in the South Carolina Lowcountry

Charleston allergy conditions are influenced by coastal humidity, local trees, and long warm seasons that can extend allergen activity. Searchers looking for a Charleston pollen forecast often want more local visibility before outdoor plans in the Lowcountry.

Tree pollen, grasses, and weeds can all matter in Charleston depending on the time of year. Daily pollen tracking helps residents follow shifts caused by rain, sea breeze, and seasonal change.

Frequently asked questions about pollen in Charleston

What is the pollen count in Charleston today?

Today in Charleston, South Carolina, the pollen level is moderate with an allergy index of 3. The main allergen to watch is Grasses.

When is allergy season in Charleston, South Carolina?

Allergy season in Charleston, South Carolina 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 Charleston?

If you have seasonal allergies in Charleston, 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 Charleston, South Carolina?

Charleston 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.