Tennessee's diverse landscapes — from the Great Smoky Mountains to the Mississippi River lowlands — create a prolonged allergy season. Oak and cedar are the main spring triggers, while ragweed hits hard across the state from August through October.
Peak pollen season in Tennessee: March–September. Primary allergens: OakGrassRagweed
Tree pollen is the first major allergen each year in Tennessee, typically starting in early spring with cedar and alder, followed by oak and birch through May.
Grass pollen takes over in late spring through early summer, peaking from May to July depending on location within the state.
Ragweed dominates fall allergies in Tennessee, typically from August through October. It's the most widespread fall allergen in the US.
The pollen count in Tennessee varies by city and season. Peak pollen season runs March–September. Select a city above for live data.
Pollen levels vary across Tennessee. Cities in warmer, more humid areas typically see higher counts. Check individual city pages for current levels.
Pollen season in Tennessee peaks in March–September. Tree pollen starts in late winter, followed by grass in summer and ragweed in fall.