Was October 23, 2026 high ragweed pollen in Columbus?
NO
No — weed pollen in Columbus is running low (UPI 0/5) as ragweed season sputters out.
Why
- Weed pollen index 0/5 for Columbus, data as of Oct 22
- Ragweed season has roughly a day left before first frost
- Columbus average first frost lands around Oct 23