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Ragweed pollen levels show slight decline in Indiana as September unfolds

Ragweed pollen levels show slight decline in Indiana as September 2023 unfolds

INDIANAPOLIS (WISH) — In a welcome relief for allergy sufferers, the persistent grip of ragweed pollen in Indiana appears to be loosening its hold as September progresses. Recent reports indicate a gradual decline in ragweed pollen levels across the state.

Ragweed pollen will still be around in decent quantity for another week or two, and the ragweed season ends in mid-October. Thus, ragweed sufferers still have a ways to go, but at least the peak in pollen has passed. Currently, ragweed has lessened in the northern part of the state, but even off the north, levels are still high.

Health experts attribute the recent decrease in ragweed pollen levels to a combination of factors. Firstly, the arrival of cooler temperatures and the transition into autumn play a crucial role. They are responsible for naturally diminishing ragweed’s ability to release pollen into the air.

Additionally, recent rainfall and wind patterns have contributed to the dispersion of pollen particles. This will further alleviate the burden on allergy sufferers. Thankfully, we’re at the point of the year where ragweed is our only impactful pollinator. Some other pollens — like nettle are active as well. Thankfully, their pollen isn’t as prevalent nor is the allergy to nettle as prevalent in the population.

While the decrease in pollen levels brings relief, health officials advise residents to remain vigilant and continue their allergy management routines. Even with the decline, ragweed pollen can still linger in the air, causing discomfort for those with sensitivities. Individuals with allergies are encouraged to monitor local pollen forecasts, maintain prescribed medication regimens, and take necessary precautions to minimize exposure.


As September unfolds, Indiana residents can look forward to gradually decreasing ragweed pollen levels, allowing them to enjoy the pleasant transition into autumn with fewer bouts of sneezing, nasal congestion, and itchy eyes.