Hawaii Air Quality

Real-time AQI data and air quality trends for 158 cities across Hawaii.

Statewide Air Quality Overview

28
Average AQI
510
Good Air Days
54
Moderate Days
Unhealthy Days
78
Highest AQI

Based on 2025 EPA data

Cleanest Air in Hawaii

1. KulaMedian AQI: 22
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2. KahuluiMedian AQI: 22
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3. MakenaMedian AQI: 22
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4. WaileaMedian AQI: 22
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5. KaunakakaiMedian AQI: 22
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Most Polluted in Hawaii

1. KapaauMedian AQI: 30
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2. KealakekuaMedian AQI: 30
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3. PepeekeoMedian AQI: 30
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4. KurtistownMedian AQI: 30
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5. Captain CookMedian AQI: 30
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Learn About Air Quality

What Is the AQI?
Understand how the Air Quality Index is calculated and what each level means for your health.
Pollutant Guide
Learn about PM2.5, ozone, and other pollutants that affect air quality across Hawaii.
National Rankings
Compare Hawaii cities to the rest of the US by air quality grade and median AQI.

All Cities in Hawaii

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