MA · Allergy Season Guide
Cambridge Allergy Season Guide
PollyMap is actively seeking a qualified local collection partner in Cambridge. 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 Cambridge.
We're recruiting a qualified local allergy clinic — or any clinic that provides allergy care — to become the official pollen collection partner for Cambridge.
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Test the air at your own home in Cambridge
No allergy clinic is reporting from Cambridge 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 Cambridge. 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 Cambridge
Cambridge shares Massachusetts's a humid continental climate with four distinct seasons — cold, snowy winters and warm, humid summers. at 40 ft elevation.
Cambridge at 40 ft elevation sits within Massachusetts's broader regional climate.
In Cambridge, tree pollen — including Birch, Oak, Maple — typically dominates from late winter through spring. Timothy grass is the most common warm-season pollinator, and Ragweed drives the largest fall pollen load.
Cambridge'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.
Cambridge monthly allergy calendar
Typical month-by-month intensity for the four major airborne allergen categories in Cambridge.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tree | Low | Mod | High | V.High | V.High | High | Mod | Low | Low | Low | Low | Low |
| Grass | — | — | Low | Mod | V.High | V.High | High | Mod | Low | Low | — | — |
| Weed | Low | Low | Low | Mod | Mod | Mod | High | V.High | V.High | High | Mod | Low |
| Mold | Low | Low | Mod | Mod | High | High | High | V.High | V.High | V.High | Mod | Low |
Most common local pollens — weeds
Most common airborne molds
Frequently asked questions about allergies in Cambridge
Related guides
State Guide
Massachusetts Allergy Season Guide
Nearby city
Boston Allergy Season Guide
Nearby city
Worcester Allergy Season Guide
Nearby city
Springfield Allergy Season Guide
Nearby city
Lowell Allergy Season Guide
Library
Pollen species library
Library
Mold species library
Reports
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