Frequently Asked Questions

Enter your question or keywords below to search our catalog of questions and answers.

How does SO2 affect my health?

Short-term exposures to elevated SO2 levels can cause the air passages in the lungs to constrict or tighten, leading to breathing difficulties and tightening in the chest. Symptoms may include constriction or tightening of the airways in the lungs, coughing, wheezing and shortness of breath. It may also irritate the nasal passage, throat and eyes. Those most sensitive to the effects of SO2 include persons with chronic respiratory disease, especially persons with asthma. Symptoms may worsen during vigorous exercise or hard physical labour. See docs 7 and 8 for more information on SO2 levels.

Scroll to Top