Month/year	Industrial Sites
Month/year	Terytex Nig. Ltd., Kano		Jhako Tech. Ltd., Kaduna		Grand Cereals Ltd., Jos
Sept./2018 Oct./2018 Nov./2018 Dec./2018 Jan./2019 Feb./2019 Mar./2019 Apr./2019 May/2019 Jun./2019 Jul./2019 Aug./2019	PM_2.5/TP 19.20/0.77 15.10/0.60 22.30/0.45 25.30/1.01 27.10/1.08 19.10/0.76 15.90/0.64 11.90/0.48 11.92/0.48 15.92/0.64 14.71/0.59 11.71/0.47	PM₁₀/TP 46.78/0.94 36.08/0.72 48.00/0.96 57.00/1.14 54.00/1.08 44.00/0.88 33.70/0.67 46.89/0.94 22.72/0.45 33.70/0.67 32.70/0.65 22.70/0.45	PM_2.5/TP 14.71/0.59 18.94/0.76 20.94/0.84 24.94/1.00 23.10/0.92 26.11/1.04 28.90/1.16 21.90/0.88 19.90/0.80 19.90/0.80 21.90/0.88 13.80/0.55	PM₁₀/TP 36.70/0.73 47.78/0.96 49.78/1.00 59.89/1.20 72.00/1.44 62.00/1.24 58.70/1.17 48.70/0.97 58.69/1.17 48.69/0.97 48.70/0.97 30.69/0.61	PM_2.5/TP 14.30/0.57 12.90/0.52 21.40/0.86 45.11/1.80 40.11/1.60 32.30/1.29 12.90/0.52 33.90/1.36 22.90/0.92 14.90/0.60 16.00/0.64 14.00/0.56	PM₁₀/TP 30.60/0.61 26.80/0.54 45.20/0.90 82.00/1.64 88.00/1.76 52.60/1.05 22.80/0.46 52.80/1.06 40.20/0.80 39.80/0.80 39.60/0.79 29.60/0.59