Commercial activities in urban cities the world have contributed to development of society and at same time impact negatively on environment. This study investigated influence some commercial centres namely: Akpanadem Market, Uyo Plaza, Itam Market Abattoir Metropolis ascertain their air quality based carried out each location. The levels NO2, SO2, H2S, CO, Cl2, NH3, HCN, CH2O, TVOCs, PM2.5, PM...