S/N

Refinery

Air Pollutant

Cumulative Maximum glc (µg/m³)

% Set Limit of FMENV, WB, WHO

1

Rehoboth Natural Resources Limited

&

Towei Oil Refinery

Bayelsa State

PM₁₀

1.5

0.6

SO₂

376

14.5^a

NO_x

1875.4

25.0^a

CO

168.9

1.5

VOC

1.6

0.03

2

Total Support Limited & Amexum Corporation

Cross River State

PM₁₀

0.5

0.2

SO₂

7.0

2.7^a

NO_x

314.4

4.2^a

CO

215

1.9

VOC

2.3

0.1

3

Antonio Oil, South West Refinery & Gasoline International Limited Refinery

Ogun State

PM₁₀

4.6

1.8

SO₂

107.4

4.1^a

NO_x

426.4

5.7^a

CO

149.8

1.7^a

VOC

2.6

0.04

4

Ode Aye Refinery Limited, Ilaje Refinery & Petrochemicals & Owena Oil & Gas Limited

Ondo state

PM₁₀

0.8

0.3

SO₂

84.5

3.3^a

NO_x

444.5

5.9^a

CO

199.5

1.8

VOC

3.0

0.05

5

Warri Refining, Niger Delta Refinery & Sapele Refinery Limited

Delta State

PM₁₀

1.7

0.7

SO₂

443.3

17.1^a

NO_x

2145.8

28.6^a

CO

480.3

4.2

VOC

7.0

0.1