Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
SOx refers to sulfur oxides, which are air pollutants produced by burning fossil fuels that contain sulfur. These pollutants contribute to the formation of acid rain and can cause respiratory problems in humans.
Acid rain is formed when sulfur dioxide (SO2) and nitrogen oxides (NOx) combine with atmospheric moisture. It can harm aquatic life, damage forests, and corrode buildings.
Sulfur dioxide is a gas produced by burning fossil fuels that contain sulfur. It contributes to air pollution and can have harmful effects on human health.