January 24-2014
In the first nine months of the current Persian year, the air of Tehran was clear of pollutants on only two days, according to Mohammad Rastegari, deputy head of the Tehran Environmental Department.
January 24-2014
In the first nine months of the current Persian year, the air of Tehran was clear of pollutants on only two days, according to Mohammad Rastegari, deputy head of the Tehran Environmental Department.