Earlier this month, the Ministry of Health declared that last year more than 4,400 people lost their lives because of air pollution in Tehran, Iran's capital. 
Mapema mwezi huu, Wizara ya Afya, ilitangaza kuwa katika mwaka uliopita zaidi ya watu 4, 400 walipoteza maisha kutokana na uchafuzi wa hewa huko Tehran, mji mkuu wa Iran.