Hilo vs Juneau

Hilo has better overall air quality with an average AQI of 30 ("Good") compared to Juneau's AQI of 30 ("Good"). That is a difference of 0 AQI points.

Hilo has a lower PM2.5 average at 5 μg/m³, while Juneau averages 5 μg/m³. The EPA annual standard is 12 μg/m³. Both cities meet the EPA standard.

Hilo has 86% good air quality days compared to 85% in Juneau. That means residents of Hilo enjoy clean air about 1 percentage points more often.

Hilo has a low wildfire risk while Juneau has a low risk. Both cities face similar wildfire smoke exposure levels.

Hilo's primary pollutant is PM2.5 (ozone avg 22 ppb), while Juneau's is PM2.5 (ozone avg 20 ppb). Both cities share the same primary pollutant, though concentrations differ.