Measuring hours

Air quality monitoring parameters at the intersection after the friendship stage: S7

CO2

(ppm)

TVOC (mg/m³)

HCOH (mg/m³)

PM2.5

(mg/m³)

PM10

(mg/m³)

T˚C

AQI

7 h

768

0.313

0.075

62.5

103.6

26.2

156

7:30

813

0.42

0.077

173.8

449.6

29.5

209

8 h

466

0.118

0.01

67.2

98.1

31.3

153

8:30

799

0.421

0.064

70.8

110.1

31.2

130

9 h

516

0.331

0.183

116.3

135.2

32.6

152

9:30

749

0.555

0.088

27.5

43.4

35.3

61

10 am

467

0.42

0.107

32.9

48.8

33.8

83

10:30 a.m.

979

1.28

0.119

54.6

39.8

32.7

243

11 am

1226

1573

0.211

68.8

161.7

33.9

104

11:30 a.m.

959

0.959

0.066

10.5

15.3

35.6

36

12 p.m.

704

0.28

0.025

47.3

32.6

35.3

170

12:30 p.m.

649

0.27

0.038

17.8

32.5

32.9

61

1 p.m.

743

0.389

0.067

10.9

17.9

37.1

52

1:30 p.m.

665

0.359

0.041

27.5

46.5

36.9

52

2 p.m.

1252

1694

0.124

22

33.4

40.5

56

2:30 p.m.

1023

1402

0.118

13

18.2

36.5

44

3 p.m.

833

0.588

0.097

24.4

39.6

34.9

74

3:30 p.m.

498

0.146

0.005

30.4

47.5

35.7

63

4 p.m.

550

0.928

0.174

10

15.8

33.2

41

4:30 p.m.

890

1321

0.082

22.1

24.8

34.8

56

5 p.m.

946

0.744

0.12

9.6

20.6

32.3

56

5:30 p.m.

809

0.501

0.083

14.6

24.8

33.7

56

6 p.m.

657

0.02

0.02

14.6

24.8

32.3

56

6:30 p.m.

1032

0.904

0.02

14.6

24.8

32.3

56

7 p.m.

1115

1383

0.073

12.9

22.1

29

48