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Gathering pollen, air quality, and weather data for you.
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Gathering pollen, air quality, and weather data for you.
Gathering pollen, air quality, and weather data for you.
Pollen Level
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Air Quality
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Charleston has one of the longest allergy seasons in the US, often starting as early as February and lasting through November. The warm, humid climate around Charleston, SC supports high pollen production across multiple allergen types simultaneously.
Right now: March is a heavy tree pollen month in Charleston. Yellow pine pollen coats everything — but oak is the bigger allergy trigger.
Spring
Feb – May
Tree pollen starts early — pine, oak, and cedar are major triggers.
Summer
May – Aug
Grass pollen peaks. High humidity elevates mold and spore counts.
Fall
Aug – Nov
Ragweed thrives in warm conditions, extending well into fall.
The warm, humid climate near Charleston means pollen seasons overlap more than in other parts of the country. Mold spores are a year-round concern. PollenTracker tracks all these allergens so you can plan accordingly.
Open another nearby forecast without going back to the map.
Weather
58°F
Cloudy · 59% humidity · 13 mph wind
Air Quality
AQI 65
Moderate
Pollen Level
High
250 grains/m³ · Tree
~250 grains/m³
~120 grains/m³
~5 grains/m³
Hourly pollen risk is estimated from weather trends when no live hourly pollen feed is available.
CAUTION
Tree pollen is high, and air quality is moderate (AQI 65). If you need to be outside, aim for the safest window later in the day and keep precautions in place.
Lower-risk hours: 17:00-19:00