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
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
Moderate

Cities in Hawaii

CityTodayWorst todayTypical in July
Pearl CityNoneas of Jul 12NoneModerate
Mililani MaukaNoneas of Jul 12NoneModerate
Schofield BarracksNoneas of Jul 12NoneModerate
NanakuliNoneas of Jul 12NoneModerate
Kailua KonaNoneas of Jul 12NoneModerate
HonoluluNo live readingNot availableModerate
KailuaNo live readingNot availableModerate
East HonoluluNo live readingNot availableModerate
HiloNo live readingNot availableModerate
WaipahuNo live readingNot availableModerate
KaneoheNo live readingNot availableModerate
Mililani TownNo live readingNot availableModerate
KahuluiNo live readingNot availableModerate
Ewa GentryNo live readingNot availableModerate
KapoleiNo live readingNot availableModerate
KiheiNo live readingNot availableModerate
MakakiloNo live readingNot availableModerate
WahiawaNo live readingNot availableModerate
Ocean PointeNo live readingNot availableModerate
WailukuNo live readingNot availableModerate
Ewa BeachNo live readingNot availableModerate
WaimaluNo live readingNot availableModerate
HalawaNo live readingNot availableModerate
Royal KuniaNo live readingNot availableModerate
Hawaiian Paradise ParkNo live readingNot availableModerate
WaianaeNo live readingNot availableModerate
MailiNo live readingNot availableModerate
LahainaNo live readingNot availableModerate
Waihee-WaiehuNo live readingNot availableModerate
WaipioNo live readingNot availableModerate
PrincevilleNo live readingNot availableModerate
HaikuNo live readingNot availableModerate
KulaNo live readingNot availableModerate
WaikikiNo live readingNot availableModerate
PahoaNo live readingNot availableModerate
Eden RocNo live readingNot availableModerate
MakawaoNo live readingNot availableModerate
PoipuNo live readingNot availableModerate

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.