Metal sculptures, often celebrated for their durability and aesthetic appeal, face unique challenges in areas with high air pollution. Pollutants like sulfur dioxide, nitrogen oxides, and particulate matter can accelerate corrosion, particularly on metals such as iron, copper, and bronze. Over time, this leads to discoloration, pitting, and structural weakening.

However, certain metals like stainless steel, aluminum, and corten steel exhibit better resistance due to protective oxide layers. Regular maintenance, including cleaning and applying protective coatings, can significantly extend a sculpture’s lifespan. Artists and conservators also use wax or lacquer barriers to shield surfaces from acidic pollutants.

Interestingly, some sculptors embrace pollution-induced patinas, incorporating the weathered look into their designs. For public art installations in urban areas, selecting corrosion-resistant materials and strategic placement away from industrial zones can mitigate damage.

Ultimately, while air pollution poses risks, proactive care and material choice ensure metal sculptures remain enduring landmarks even in harsh environments.