Pollen Comparisons by City

See how pollen seasons line up between major U.S. cities — when each peaks, what drives it, and how the year unfolds.

New York vs. Los Angeles Pollen: What's Worse When, and How They Compare

A month-by-month comparison of pollen seasons in New York City and Los Angeles—when each is worse, the species that drive it, and what to expect if you live in or travel between them.

8 min read

New York vs. Chicago Pollen: Same Climate Family, Different Calendars

A month-by-month comparison of pollen seasons in New York City and Chicago—same humid continental climate, but a measurable timing offset and a heavier Midwest ragweed load mean the calendars don't line up.

10 min read

New York vs. Miami Pollen: When One City's Quiet Is the Other's Peak

A month-by-month comparison of pollen seasons in New York City and Miami — two cities whose calendars run in opposite directions. New York's worst months are Miami's quietest, and Miami's peak is exactly when Northeasterners flee south expecting relief.

10 min read