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Table 1 Annual mean concentration of each pollutant in specific regions during June 2018–2019

From: Association between exposure to ambient air pollution and occurrence of inflammatory acne in the adult population

 

NO2 (μg/m3)

CO

(mg/m3)

SO2

(μg/m3)

O3 (μg/m3)

PM10

(μg/m3)

PM2.5

(μg/m3)

HADATH

42.36

0.55

12.92

X

41.16

31.54

BEIRUT

48.7*

0.602*

6.23*

25

34.5

25.36

ZAHLE

49.2

0.845

4.33

X

40.7

32.7

SIDON

37.8

0.491

3

X

44

34.18

BAALBECK

18.6

X

X

56.5

31.45

24

NABATIEH

11

0.53

4.25

63.4

27.35

16.1

TRIPOLI

24

0.73

8.6

63.9

24.43

15.28

USEK/ZOUK

46.7

0.557

10.09

43

18.31

11.81

CHEKKA

28.9

0.445

13.03

70.97

18.8

11.75

SABTIEH

51.2

0.23

10.7

39.63

22.89

13

  1. X = not available; * = non-validated Beirut concentrations.