Parameters

Disagree

Neutral

Agree

Frequency

%

Frequency

%

Frequency

%

Motor engines are the source of PM_2.5 and PM₁₀

11

4.5

1

0.4

225

94.8

Vehicular exhaust are the main source of ground level ozone

7

2.9

1

0.4

237

96.7

Industrial activities are main pollutant from the carbon monoxide and carbon dioxide

4

11.6

0

0

233

98.2

Fuel combustion produce the Sulfur dioxide

14

5.8

9

3.7

213

89.2

Wood fires cause polycyclic aromatic hydrocarbons

7

2.94

2

0.8

228

96.1