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Pacific WatchPacific Watch
OverviewStorm ReliefWeatherWindSurf & TidesMaritimeAir QualityWater QualityRainfallDroughtMesonet StationsClimate HistoryTsunamiHurricane TrackerSeismicVolcanoesWildfiresBox JellyfishPower OutagesTraffic & Road ClosuresTheBus DisruptionsCamerasInternet, TV & CellularDamsStreamsReservoirsHealthNews & RadioSocialTsunami ZonesFlood Hazard MapWarning SirensChecklistBug Out BagEnergy PlannerKids PrepPet PrepHandbooksGarden PlannerEmergency Supplies
What's NewAboutSettings
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Air Quality

Current AQI readings across Hawaii

What is AQI?

The Air Quality Index is a 0–500 scale measuring air pollution levels. It tracks ozone, particle pollution (PM2.5/PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide.

Air Quality in Hawaii

The most common concern is vog — volcanic smog from Kīlauea containing PM2.5 and sulfur dioxide. Trade wind disruptions can trap pollutants near the surface.
0–50
Good
51–100
Moderate
101–150
USG
151–200
Unhealthy
201–300
Very Unhealthy
301+
Hazardous

Data from EPA AirNow. Updated hourly.