Pollutant

Averaging time

recommended level

µg/m³ (ppm*)

Level of pollution obtained in this study (ppm)

PM_2.5

Annual

5

-

24-hour

15

-

CO

24-hour

4000 (3.49)

-

8-hour

10,000 (8.73)

-

1-hour

35,000 (30.55)

10.83 - 55.11

15-minute

100,000 (87.3)

119.10 - 362.72