Air Quality Monitoring Data NOx, CO and HC –Sox, NO2 SO2 CO HC S/N Sampling Station Nigerian Ambient Air (ppm) (ppm) (ppm) (ppm) Quality Standard by Federal Onikoko Osi Road 0.0 3.5 0.05 – Ministry of Environment 2 Osi - Oluobe 0.0 0.0 2.5 0.2 3 Owode - Alogba 0.0 0.0 1.0 0.1 Shasha Forest Reserve 0.0 0.0 0.5 0.0 4 Iragbiji road off Ilesa 0.0 0.0 0.5 0.1 5 road 0.0 0.5 0.15 6 Odogbo-Ijesa 0.0 1.0 0.0 Pollutants Ilesa Arakeji road 0.0 1.0 – 7 Idiroko-Akinleye 0.0 0.0 1.5 0.1 8 Ikonifin 0.0 0.0 2.0 0.2 9 Ikonifin - Agoro 0.0 2.0 0.15 10 Eleke 0.0 1.5 0.1 Time of Average 0.01ppm (26µg/m3) SOx (SO2) average of hourly values 1 hour 0.1ppm 250µg/m3 Particulate Daily average of daily values 1 hour * 600 µg/m3 Daily average of hourly values 10ppm (11.4mg/m3) CO average 20ppm (22.8mg/m3) 0.04-0.06ppm NOx average of hourly values (range) 75.0/µg/m3-113ug /m3
S/N Sampling Station NO2 (ppm) SO2 (ppm) CO (ppm) HC (ppm) Onikoko – Osi Road 0.0 3.5 0.05 2 Osi - Oluobe 0.0 0.0 2.5 0.2 3 Owode - Alogba 0.0 0.0 1.0 0.1 Shasha Forest Reserve 0.0 0.0 0.5 0.0 4 Iragbiji road off Ilesa 0.0 0.0 0.5 0.1 5 road 0.0 0.5 0.15 6 Odogbo-Ijesa 0.0 1.0 0.0 Ilesa – Arakeji road 0.0 1.0 7 Idiroko-Akinleye 0.0 0.0 1.5 0.1 8 Ikonifin 0.0 0.0 2.0 0.2 9 Ikonifin - Agoro 0.0 2.0 0.15 10 Eleke 0.0 1.5 0.1 Air Quality Monitoring Data –Sox, NOx, CO and HC Nigerian Ambient Air Quality Standard by Federal Ministry of Environment Pollutants Time of Average SOx (SO2) average of hourly values 1 hour 0.01ppm (26µg/m3) 0.1ppm Particulate Daily average of daily values 1 hour 250µg/m3 * 600 µg/m3 CO Daily average of hourly values average 10ppm (11.4mg/m3) 20ppm (22.8mg/m3) NOx average of hourly values (range) 0.04-0.06ppm 75.0/µg/m3-113ug /m3
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