Pollen Level
Loading
Fetching live data
Loading city data
Pollen Level
Loading
Fetching live data
Air Quality
Loading
Fetching live data
Weather
Loading
Fetching live data
Gathering pollen, air quality, and weather data for you.
Gathering pollen, air quality, and weather data for you.
Pollen Level
Loading
Fetching live data
Air Quality
Loading
Fetching live data
Weather
Loading
Fetching live data
Hartford's allergy season typically runs from March through October, with two distinct peaks. Tree pollen surges in spring, then ragweed takes over in late summer. Understanding these patterns helps residents of Hartford, CT plan outdoor activities and manage symptoms.
Right now: May brings the transition from tree to grass pollen in Hartford. Both can be elevated, making this a tough month for allergy sufferers.
Spring
Mar – May
Oak, birch, and maple tree pollen peak. Highest risk in April–May.
Summer
May – Jul
Grass pollen dominates. Humid days can elevate mold spore counts.
Fall
Aug – Oct
Ragweed season. Second major peak for allergy sufferers.
Coastal breezes near Hartford can provide temporary relief, but spring nor'easters often redistribute pollen across wide areas. PollenTracker monitors these daily shifts so you know when it's safe to head outside.
Open another nearby forecast without going back to the map.
CAUTION
Limit exposure
Tree pollen is high at 250 grains/m³, but winds are light and air quality is decent. Take precautions — the safest hours are later in the day.
Lower-risk hours: 11:00-12:00, 15:00
Pollen Level
High
250 grains/m³ · Tree
Air Quality
AQI 25
Good
Weather
60°F
Cloudy · 41% humidity · 7 mph wind
~250 grains/m³
~120 grains/m³
~5 grains/m³