See how pollen seasons line up between major U.S. cities — when each peaks, what drives it, and how the year unfolds.
Compare LA and Phoenix pollen by month: LA's marine-moderated plateau vs. Phoenix's spring + monsoon peaks. Species, timing, and what to expect.
11 min read
Compare LA and San Francisco pollen by month: SF spikes in February (cypress), LA stays elevated year-round. Species, peaks, and timing for each.
9 min read
Compare NY and LA pollen by month: NY peaks sharp in spring and fall, LA stays moderate year-round. Species, timing, and which is worse when.
8 min read
Compare NY and Chicago pollen by month: same climate, but Chicago runs ~2 weeks behind with a heavier ragweed load. Species, timing, and peaks.
10 min read
Compare NY and Miami pollen by month: calendars are inverted — Miami peaks Dec–Mar, NY peaks Apr–May. Species, peaks, and what to expect.
9 min read