HI · Allergy Season Guide

Hilo Allergy Season Guide

PollyMap is actively seeking a qualified local collection partner in Hilo. This guide uses regional climate and historical allergen data while we recruit a local host.

Seeking Official PollyMap Partner

PollyMap is actively looking for a qualified local partner in Hilo.

We're recruiting a qualified local allergy clinic, naturopathic clinic, university, environmental health professional, or other qualified organization to become the official pollen collection partner for Hilo.

Become the Official PollyMap Partner for Hilo

Summary

PollyMap does not yet have weekly collected pollen data for Hilo. 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 Hilo

Hilo shares Hawaii's a tropical climate with consistent warm temperatures, trade winds, and a wet-dry seasonal pattern that varies by elevation and island side. at 38 ft elevation.

Hilo at 38 ft elevation sits within Hawaii's broader regional climate.

In Hilo, tree pollen — including Eucalyptus, Ironwood, Mango — typically dominates from late winter through spring. Bermuda grass is the most common warm-season pollinator, and Plantain drives the largest fall pollen load.

Hilo's local mold profile includes Cladosporium, Alternaria, 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.

Hilo monthly allergy calendar

Typical month-by-month intensity for the four major airborne allergen categories in Hilo.

JanFebMarAprMayJunJulAugSepOctNovDec
TreeModModModModModModModModModModModMod
GrassHighHighHighV.HighV.HighV.HighV.HighV.HighV.HighHighHighHigh
WeedModModModModModModModModModModModMod
MoldHighHighHighHighHighHighHighHighHighHighHighHigh

Most common local pollens — trees

Most common local pollens — grasses

Most common local pollens — weeds

Current PollyMap data for Hilo

PollyMap does not yet have weekly collected pollen data for Hilo. We are actively recruiting a local collection partner — apply below to bring real, locally-collected pollen data to Hilo.

Official PollyMap Partner in Hilo

Frequently asked questions about allergies in Hilo

The PollyKit — $39.99

Test the air at your exact address.

Test the air at your exact address — not a regional forecast, your actual air. Tests for pollen, mold spores, dust mites, and other airborne particles. Ships nationwide. Results in 3–5 days.

  1. 1

    Hang

    Hang the PollyKit indoors or outdoors at your home, office, or classroom for 24–48 hours.

  2. 2

    Return

    Mail it back in the included prepaid envelope.

  3. 3

    Results

    Receive your personal lab report showing what's actually in your air.

Related guides

Get local pollen alerts for Hilo.

Subscribe and we'll email you when new local reports are published.

Subscribe to alerts