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During the process of oxidation in the atmosphere this gas forms sulphates or salts that can be transported in the breathable particulate material (PM10) that in presence of humidity forms acids. Later these acids are an important part of the secondary particulate material or finest particulate material (PM2,5).The exposure to sulphates and the exposure to acids derived from SO2 is extremely risky for people's health because these compounds enter the circulatory system directly through the airways.he air pollution by SO2 has the following effects on human beings: 1  Corneal haze. 2  Breathing difficulty. 3  Airways inflammation. 4  Eye irritation. 5  Psychic alterations. 6  Pulmonary oedema.
1 An H3N2 caused about 34,000 deaths in the United States. 2  This virus was first detected in Hong Kong in early 1968, and spread to the United States later that year. 3  This pandemic of 1968 and 1969 killed approximately one million people worldwide. Second cholera pandemic 1829â1851. 2  Reached Russia (see Cholera Riots), Hungary (about 100,000 deaths) and Germany in 1831, London in 1832 (more than 55,000 persons died in the United Kingdom), France, Canada (Ontario), and United States (New York) in the same year, and the Pacific coast of North America by 1834.