Sulfur oxides

The main representative is 'sulfur dioxide SO2. Its concentration is an indicator of outdoor air pollution. It mostly gets into the building through ventilation. There is an effect on the upper respiratory tract, people with chronic diseases of the cardiovascular and respiratory systems, the elderly and children have the biggest problems.

More dangerous is 'sulfur oxide SO3. It's more irritating. It typically appears in dense fog. It causes contractions of the smooth muscles of the airways, even in small concentrations.

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