The choking pollution hanging over Tehran kills an average of 4,600 residents every year, the city-run Hamshahri paper said Monday, citing emergency medical sources.
It said 148 people had been treated for air-quality related illnesses in just the past week in Tehran, one of the most heavily polluted cities in the world.
Officials said last week that the quantity of lead in the air had taken measuring devices to their limit, and that further precision was impossible.
Most of the pollution comes from the nearly two million vehicles in the capital, very few of which are equipped to use lead-free petrol -- TEHRAN (AFP)
