Then he inserts a long plastic tube that he attaches to a bottle and a bicycle pump. He pumps the air out of the bottle and slowly opens the valve to let the gas in. His grace inside the tempest is incredible. I can't hold the camera steady as the wind punches me in the back. When we get back to the lab, Jeff analyzes the samples.
Sulfur dioxide reacts with oxygen, sunlight and moisture to form sulfuric acid and aerosols.
The vog gets sucked around the south edge of the island and sloshes up and down the flanks of Mauna Loa on the Kona Coast. Bad vog days can cause human health hazards like headaches, nausea, respiratory crud and tightening of the throat. Jeff hopes that by helping people understand how and when vog forms, they can protect themselves from its effects.