Certain gaseous pollutants have been classified as carcinogens by organizations such as the International Agency for Research on Cancer (IARC) and the Environmental Protection Agency (EPA). These substances can cause mutations in DNA, leading to cancer. For example, benzene, a VOC, is known to cause leukemia. Polycyclic aromatic hydrocarbons (PAHs), another group of VOCs, are associated with lung, skin, and bladder cancers.
