👉 Leaf fumes, also known as volatile organic compounds (VOCs) released by decaying leaves, are a common natural phenomenon, especially during autumn when leaves fall from trees. These fumes consist of a mix of chemicals like terpenes, aldehydes, and ketones, which can have distinct, often pungent odors ranging from earthy and woody to sweet and floral. While generally harmless in small amounts, prolonged exposure to high concentrations of leaf fumes can cause respiratory irritation, headaches, and eye, nose, and throat discomfort. The intensity of these fumes can vary based on factors like leaf type, weather conditions, and the rate of decomposition.
