RIVER

OGUN

LAGOS

ABUJA

KANO

NASARAWA

TARABA

JIGAWA

CH₄

1742 ± 4.98

6.97 ± 0.27

13.21 ± 0.5

0.04 ± 0.00

0.32 ± 0.02

1.68 ± 0.11

2.34 ± 0.12

0.32 ± 0.02

O₃

56.89 ± 0.53

329.6 ± 1.6

329.5 ± 1.3

329.5 ± 1.3

328.5 ± 0.7

329.3 ± 1.34

329.1 ± 1.4

328.5 ± 0.7

NO₂

108.3 ± 2.43

290.3 ± 5.1

296.7 ± 1.6

160.2 ± 2.3

138.3 ± 2.0

143.0 ± 1.09

280.5 ± 2.2

119.8 ± 1.3

CO₂

385.6 ± 2.10

393.0 ± 14

393.0 ± 1.4

392.7 ± 1.3

393.5 ± 1.5

393.7 ± 1.34

393.2 ± 1.4

394.1 ± 1.6