Studies show that a significant percentage of the global population inhale air with contaminants that exceed WHO limits, with the population in the low and middle income countries being the worst hit. This study was designed to monitor the ambient air quality at graduated-distances around the gas flare stack (GFC) at Olomoro-Oleh flow station for air contaminants like CO, NO2, O3, PM2.5, PM10, SO2, and VOCs for a 12 months duration study period, comprising six (6) weeks in each of rainy and dry season. The samples were collected in triplicates at locations 0.1km, 0.2km, 0.3km and 1km from the (GFS) at Olomoro -Oleh. The concentrations of gaseous pollutants in air were determined using Aeroqual Monitor S500 for CO, NO2, O3, SO2, and VOCs, while that of particulate matter (PM2.5, and PM10) was measured using AEROCET 531S mass monitor /particle counter