Oklahoma Pollen by City
Oklahoma's cities read the warm, humid subtropical Southeast pollen calendar: tree pollen peaks Feb–Apr, grass Apr–Sep, and ragweed Aug–Nov — an unusually long, overlapping season — the warm climate stretches grass across much of the year and pushes ragweed deep into autumn. Every city below has its own page with today’s verdict and the full 12-month season calendar.
Cities in Oklahoma
| City | Tree pollen season | Population |
|---|---|---|
| Oklahoma City | Feb–Apr | 1,017,828 |
| Tulsa | Feb–Apr | 747,529 |
| Blanchard | Feb–Apr | 9,215 |
| Oologah | Feb–Apr | 1,774 |
Our dataset lists 839 places in Oklahoma; the 4 above have a page. For a smaller town, the nearest city above is the closest match.