MD · Allergy Season Guide
Rockville Allergy Season Guide
PollyMap is actively seeking a qualified local collection partner in Rockville. This guide uses regional climate and historical allergen data while we recruit a local host.
PollyMap is actively looking for a qualified local partner in Rockville.
We're recruiting a qualified local allergy clinic — or any clinic that provides allergy care — to become the official pollen collection partner for Rockville.
Become the Official PollyMap Partner for RockvilleOfficial PollyMap Partner in Rockville
Become the Official PollyMap Partner for Rockville
Own the weekly real-sample reports, PollyMap Lab analysis, and trusted local profile for Rockville. One clinic per territory.
Apply for RockvilleWhile we find a local clinic
Test the air at your own home in Rockville
No allergy clinic is reporting from Rockville yet. Until one does, you can order your own PollyKit — a simple air sampler you hang outdoors or indoors. Send it back and the PollyKit Lab shows you exactly what's floating in your air.
- Pollen from local trees, grasses and weeds
- Airborne mold spores
- Dust mites and other indoor allergens
Hang it outdoors
See which pollen and mold are in your yard this season.
Or hang it indoors
Check bedrooms and living spaces for mold, dust mites and more.
Summary
PollyMap does not yet have weekly collected pollen data for Rockville. This guide is based on regional climate patterns and historical allergen data while we recruit a local collection partner. Tree pollen peaks in spring, grass pollen in late spring and early summer, and weed pollen in late summer and fall.
Local allergy guide for Rockville
Rockville shares Maryland's a humid subtropical to humid continental climate with warm, humid summers and mild to cold winters. at 451 ft elevation.
Rockville at 451 ft elevation sits within Maryland's broader regional climate.
In Rockville, tree pollen — including Oak, Birch, Cedar — typically dominates from late winter through spring. Bluegrass grass is the most common warm-season pollinator, and Ragweed drives the largest fall pollen load.
Rockville's local mold profile includes Alternaria, Cladosporium, Aspergillus. Spore counts tend to peak after rainfall and during the warm, humid portion of the year.
Local weather — temperature, rainfall, wind, and humidity — drives day-to-day pollen levels. Dry, windy days following warm weather typically produce the highest counts, while heavy rain temporarily clears the air.
Rockville monthly allergy calendar
Typical month-by-month intensity for the four major airborne allergen categories in Rockville.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tree | Low | Mod | V.High | V.High | High | Mod | Low | Low | Low | Low | Low | Low |
| Grass | — | Low | Mod | High | V.High | High | Mod | Low | Low | Low | — | — |
| Weed | Low | Low | Low | Mod | Mod | Mod | High | V.High | V.High | High | Mod | Low |
| Mold | Low | Mod | Mod | Mod | High | High | V.High | V.High | V.High | High | Mod | Low |
Most common airborne molds
Frequently asked questions about allergies in Rockville
Related guides
State Guide
Maryland Allergy Season Guide
Nearby city
Baltimore Allergy Season Guide
Nearby city
Frederick Allergy Season Guide
Nearby city
Gaithersburg Allergy Season Guide
Nearby city
Bowie Allergy Season Guide
Library
Pollen species library
Library
Mold species library
Reports
Latest PollyMap reports
Partners
Become a partner
Get local pollen alerts for Rockville.
Subscribe and we'll email you when new local reports are published.
Subscribe to alerts