What is the air quality in Kahului HI?

Kahului HI, United States of America has an annual US AQI of 27 (Excellent) and average PM2.5 of 4.2 µg/m³, ranking #31 of 5856 cities. Main pollutant: O3.

What is the cleanest month in Kahului HI?

August is typically the cleanest month (AQI 21) and February the most polluted (AQI 31).

Where does Kahului HI's air quality data come from?

PM2.5: 1998–2026 (monitors 2015–2026, satellite 1998–2014, 2016–2019; 2026 provisional (AirNow)). Measured by government monitoring stations. Full sources are on the methodology page.

Kahului HI, United States of America — Air Quality & Clean City Guide 2026

Kahului HI Air Quality Data

Global rank	City	Continent	AQI	PM2.5
31	Kahului HI, United States of America	North America	AQI 27	PM2.5 4.2 µg/m³