Here is an overview of a year in Hawaii county, Hawaii. The visuals show us that this area has an overwhelming amount of pollution with SO2 being the primary pollutant that year. We looked further into this and saw another Hawaii county with bad results as well
Overwhelming SO2
SO2 emmited from volcanes as well as CO. Makes sense Hawaii has overwhemling SO2
Overwhelming PM
Air quality, although good, has lots of PM. Due to volcanic nature of the island state