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Was October 24, 2026 allergy season over in Columbus?

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NO

No — ragweed lingers until Columbus's first frost, typically around October 27, and there's been none yet.

Why
  • Low today just 42°F; no frost yet
  • Columbus first frost averages October 27 (NOAA 1991–2020)
  • Ragweed recently moderate at 14 grains/m³

For Columbus, OH, US · checked 10:50 PM · Open-Meteo air quality, Open-Meteo weather forecast, Selma, AL Weather | Forecast, Radar & Alerts | AskWeather.ai, WeatherBug, WeatherBug, Are there ticks and mosquitoes in Gulfport, MS today?, PollenDates, PollenDates