Black rain is a type of rainfall contaminated with soot, ash, oily particles and harmful chemicals released into the atmosphere by large fires or explosions.<\/span><\/p>\r\n It occurs when raindrops mix with smoke and airborne pollutants, making the rain appear dark, oily or greasy. Black rain can pose serious risks to the environment and human health.<\/span><\/p>\r\n Black rain in Tehran, Iran, has drawn attention in 2026 following reports linking Israeli strikes to fires and smoke from oil facilities. These fires can release large amounts of soot and harmful pollutants into the atmosphere, which may mix with rainfall.<\/span><\/p>\r\n The incident highlights the environmental and public health consequences of military conflicts, particularly in densely populated urban areas.<\/span><\/p>\r\n Black rain develops when airborne pollutants mix with rainwater.<\/span><\/p>\r\n In Tehran, the burning of oil facilities released pollutants that mixed with rainfall. The event also raised concerns about acid rain, depending on the chemical composition of the precipitation.<\/span><\/p>\r\n Black rain and acid rain are related but different phenomena.<\/span><\/p>\r\nWhy Is Black Rain in Tehran in the News?<\/b><\/h2>\r\n
How Does Black Rain Form?<\/b><\/h2>\r\n
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Environmental and Health Impacts of Black Rain<\/b><\/h2>\r\n
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What Is the Connection Between Black Rain and Acid Rain?<\/b><\/h2>\r\n