Use extreme caution when handling this powder, as inhalation of the slightest amount will be painful. The Bhut Jolokia, or Ghost Chile (Capsicum chinense), is the hottest chile pepper in the world. Also known as the Naga Jolokia and Bih Jolokia, it has been measured at up to 1,041,427 Scoville units. Similar looking to Habanero peppers, they have a rugged skin. When ripe, they range from orange to red and are 60 mm to 85 mm long and up to 30 mm wide.