The results show that the mean mercury vapour concentration in the air samples of Ahvaz city
in winter and summer were 3.749± 2.625 ng/m3 and 2.379± 0.984 ng/m3 , respectively. Further, the range of
this pollutant in the air of studied area during the summer and winter seasons were 1.83-3.962 ng/m3 and 1.394-
5.00 ng/m3, respectively. The highest value of Hg concentration in the rainwater sample was 0.77±0.0019 ppb
and the mean concentration of mercury in the surface soil samples of the city was 0.511μg/g in winter. Finally,
Mercury comparison between results of air and soil samples as well as air and precipitation samples at the
winter season (p