Air Pollution in Hawaii: Real-time Air Quality Index and smog alert. How polluted is the air today in Hawaii? What is the air quality now in Hawaii? Hawaii,PM2.5,AQI,Air Quality Index,Pollution Index,Pollution,historical data,PM10,respirable particulate matter,NO2,nitrogen dioxide,SO2,sulfur dioxide,CO,carbon monoxide,O3,ozone,smog,forecast Pollution in Hawaii Pollution in Hawaii Air Pollution in Hawaii: Real-time Air Quality Index and smog alert.