
Dr. Andrew Davidson
Allergy Partners of Charleston
Check today's pollen count by city in South Carolina. Explore local allergy forecasts, monitor common seasonal allergens, and use city-level trends to plan around high pollen days.
Allergy Ava organizes statewide and local pollen information so you can compare conditions, anticipate seasonal flare-ups, and find relevant allergy forecast pages faster.
Pollen levels in South Carolina can vary by city, weather, vegetation, and season. Choose a local forecast below to see the current allergy index, main allergen, and 5-day outlook for cities including Charleston, Columbia, North Charleston, Mount Pleasant, Rock Hill, Greenville.
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Local allergy care
Use today's pollen forecast alongside nearby allergy and immunology profiles when symptoms need clinical follow-up, testing, or long-term treatment planning.

Allergy Partners of Charleston

Allergy Partners of Charleston

Lexington ENT & Allergy

Allergy Asthma & Sinus Center

Prisma Health Allergy

Allergy Asthma & Sinus Center
Showing 6 of 20 published allergist profiles in this area.
South Carolina allergy sufferers can use this page to monitor pollen trends and find relevant city forecasts when available. Pollen levels vary by season, with tree pollen often peaking in spring, grass pollen becoming more active in late spring and summer, and weed pollen, especially ragweed, remaining a concern in late summer and fall.
Use Allergy Ava's city-level forecasts to plan outdoor activities, manage medication timing, and stay informed about the allergens most prevalent in your area. Our data is updated regularly to give you the most accurate picture of current conditions.
Comparing nearby states can help you understand regional allergy shifts, seasonal pollen timing, and conditions that may affect travel or outdoor plans.
South Carolina pollen conditions can differ between Greenville, Columbia, Charleston, and coastal communities because humidity, sea breeze, tree cover, and local vegetation all shape daily allergen exposure. People searching for a South Carolina pollen count often need more detail than a broad regional summary.
Tree pollen can be active early in the year, while grasses and weeds can extend symptoms through warmer months. Comparing city-level pages helps residents and travelers plan around changing pollen pressure across the state.
Not always. Pine pollen is easy to see because it coats cars, porches, and sidewalks, but less visible tree pollens such as oak, hickory, walnut, ash, mulberry, cedar, and willow can be stronger respiratory triggers for many people.
Charleston has coastal humidity, sea-breeze shifts, live oaks, pine pollen, and mold-friendly moisture. Columbia is hotter and more inland, while Greenville has Upstate foothill terrain and more elevation-driven weather changes.
Goldenrod is usually blamed unfairly because it blooms at the same time as ragweed. Ragweed produces lightweight, wind-blown pollen, while goldenrod pollen is heavier and better suited for insect pollination.
Ragweed usually becomes important in late summer and early fall, especially around open, sunny, disturbed areas. Warm weather can keep weed pollen relevant into October or November before stronger cold fronts reduce exposure.
Today's statewide signal
South Carolina allergy conditions can start early and stay active because warm springs, pine-hardwood forests, Bermuda grass, ragweed, coastal humidity, and mold vary sharply from the Upstate to the Lowcountry. Compare Charleston, Columbia, North Charleston, Mount Pleasant, Rock Hill, Greenville, Summerville, and Goose Creek for local pollen levels, dominant allergens, weather context, and short-term trend signals.
Data updates regularly to reflect current conditions across South Carolina cities.
Highest city index now
North Charleston
Mugwort · High
4
Live city comparison
Sort South Carolina cities by pollen index, temperature, or trend. Select a city for its full local forecast.
| Main allergen | Weather context | ||||
|---|---|---|---|---|---|
| North Charleston | 4High | Mugwort | Rising Forecast moves toward very high conditions tomorrow. | 79°F | Partly sunny Watch mugwort levels and limit long outdoor exposure during peak hours. |
| Charleston | 0None | None | Stable Tomorrow looks similar, near none conditions. | 79°F | Partly sunny Outdoor pollen exposure looks limited for most people today. |
| Columbia | 0None | None | Stable Tomorrow looks similar, near none conditions. | 79°F | Humid Outdoor pollen exposure looks limited for most people today. |
| Mount Pleasant | 0None | None | Stable Tomorrow looks similar, near none conditions. | 79°F | Humid Outdoor pollen exposure looks limited for most people today. |
| Rock Hill | 0None | None | Stable Tomorrow looks similar, near none conditions. | 78°F | Humid Outdoor pollen exposure looks limited for most people today. |
| Greenville | 0None | None | Stable Tomorrow looks similar, near none conditions. | 79°F | Partly sunny Outdoor pollen exposure looks limited for most people today. |
| Summerville | 0None | None | Stable Tomorrow looks similar, near none conditions. | 79°F | Humid Outdoor pollen exposure looks limited for most people today. |
| Goose Creek | 0None | None | Stable Tomorrow looks similar, near none conditions. | 79°F | Partly sunny Outdoor pollen exposure looks limited for most people today. |
Mugwort is the main allergen
Pollen index
4
Trend
Rising
Watch mugwort levels and limit long outdoor exposure during peak hours.
None is the main allergen
Pollen index
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Stable
Outdoor pollen exposure looks limited for most people today.
None is the main allergen
Pollen index
0
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Stable
Outdoor pollen exposure looks limited for most people today.
None is the main allergen
Pollen index
0
Trend
Stable
Outdoor pollen exposure looks limited for most people today.
None is the main allergen
Pollen index
0
Trend
Stable
Outdoor pollen exposure looks limited for most people today.
None is the main allergen
Pollen index
0
Trend
Stable
Outdoor pollen exposure looks limited for most people today.
None is the main allergen
Pollen index
0
Trend
Stable
Outdoor pollen exposure looks limited for most people today.
None is the main allergen
Pollen index
0
Trend
Stable
Outdoor pollen exposure looks limited for most people today.
Regional allergy forecast
The Lowcountry allergy pattern is shaped by live oaks, pine pollen, marsh-edge vegetation, sea-breeze shifts, warm-season grasses, and humidity that can keep mold relevant after rain or tropical moisture.
Columbia’s warmer inland setting can push spring trees, grass, and weeds early. Urban heat, pine-hardwood mix, lawns, river corridors, and disturbed ground can make pollen feel persistent through much of the year.
Greenville sits near Piedmont foothills where hardwood canopy, pine stands, elevation changes, afternoon storms, and mountain-adjacent wind shifts can change daily pollen and mold exposure.
Rock Hill has a northern Piedmont pattern influenced by suburban growth, hardwood neighborhoods, lawns, road corridors, and Charlotte-area regional wind that can spread grass and ragweed quickly.
State-specific pollen calendar
February to April
Pine creates the famous yellow coating, but oak, hickory, walnut, ash, mulberry, cedar, willow, and other spring trees can be more important for allergy symptoms depending on sensitivity and location.
April to July
Bermuda grass, Bahia grass, lawns, athletic fields, roadsides, and pastures can raise grass exposure as South Carolina turns warm and humid.
August to November
Ragweed is the major fall trigger, with pigweed, lamb’s quarter, dogfennel, and other disturbed-ground weeds adding pressure until cooler weather becomes consistent.
Humid months; lower pollen in December and January
Outdoor pollen is often lower after stronger cold fronts, but coastal humidity, damp leaves, shaded soil, and indoor allergens can still bother sensitive residents, especially after wet stretches.
Weather-pollen correlation
Wind can disperse pollen, rain can temporarily wash particles down, and humidity can increase mold irritation. The city table combines pollen and weather signals so users can compare outdoor risk without opening every city page.