Hawaii pollen and allergy seasons
July outlookModerate
Hawaii has a mild steady season, with grass pollen present most of the year and a spring rise from kiawe and grass.
Twelve month pollen calendar
J
F
M
A
M
J
J
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A
S
O
N
D
LowModerateHighVery high
Dominant species in July
Grass
Typical peak in July
No clear peak this month
Worst month of the year
May
Best month of the year
January
What is active in July
Grass
Cities in Hawaii
| City | Today | Worst today | Typical in July |
|---|---|---|---|
| Kailua | Noneas of Jul 15 | None | Moderate |
| Hilo | Noneas of Jul 15 | None | Moderate |
| Waipahu | Noneas of Jul 15 | None | Moderate |
| Mililani Town | Noneas of Jul 15 | None | Moderate |
| Kahului | Noneas of Jul 15 | None | Moderate |
| Ewa Gentry | Noneas of Jul 15 | None | Moderate |
| Kihei | Noneas of Jul 15 | None | Moderate |
| Mililani Mauka | Noneas of Jul 15 | None | Moderate |
| Wahiawa | Noneas of Jul 15 | None | Moderate |
| Schofield Barracks | Noneas of Jul 15 | None | Moderate |
| Ocean Pointe | Noneas of Jul 15 | None | Moderate |
| Wailuku | Noneas of Jul 15 | None | Moderate |
| Ewa Beach | Noneas of Jul 15 | None | Moderate |
| Halawa | Noneas of Jul 15 | None | Moderate |
| Royal Kunia | Noneas of Jul 15 | None | Moderate |
| Hawaiian Paradise Park | Noneas of Jul 15 | None | Moderate |
| Waianae | Noneas of Jul 15 | None | Moderate |
| Nanakuli | Noneas of Jul 15 | None | Moderate |
| Maili | Noneas of Jul 15 | None | Moderate |
| Lahaina | Noneas of Jul 15 | None | Moderate |
| Waihee-Waiehu | Noneas of Jul 15 | None | Moderate |
| Waipio | Noneas of Jul 15 | None | Moderate |
| Princeville | Noneas of Jul 15 | None | Moderate |
| Haiku | Noneas of Jul 15 | None | Moderate |
| Kula | Noneas of Jul 15 | None | Moderate |
| Waikiki | Noneas of Jul 15 | None | Moderate |
| Kailua Kona | Noneas of Jul 15 | None | Moderate |
| Eden Roc | Noneas of Jul 15 | None | Moderate |
| Makawao | Noneas of Jul 15 | None | Moderate |
| Poipu | Noneas of Jul 15 | None | Moderate |
| Honolulu | No live reading | Not available | Moderate |
| East Honolulu | No live reading | Not available | Moderate |
| Pearl City | No live reading | Not available | Moderate |
| Kaneohe | No live reading | Not available | Moderate |
| Kapolei | No live reading | Not available | Moderate |
| Makakilo | No live reading | Not available | Moderate |
| Waimalu | No live reading | Not available | Moderate |
| Pahoa | No live reading | Not available | Moderate |
Today and worst today come from live readings where available. Typical shows the usual level for this month from the seasonal profile.
The Hawaii allergy season
Allergy levels in Hawaii peak in May, when grass pollen runs highest. The season moves through tree pollen around April, grass in May. Levels start to climb around March. The lowest pollen levels of the year arrive in January.
Common questions
When does allergy season start in Hawaii?
Pollen levels in Hawaii usually begin climbing in March and reach their highest point in May.
What is the worst month for allergies in Hawaii?
May is typically the worst month in Hawaii, driven by grass pollen.
When is the best time for allergies in Hawaii?
January usually brings the lowest pollen levels of the year in Hawaii.