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Table 3 Actual measurements of the indoor air quality

From: Revitalizing subterranean spaces: a comprehensive study on enhancing air quality in underground shopping malls for sustainable urban living

Zone

CO2 (ppm)

CO (ppm)

NO2 (ppm)

PM10

(µg m−3)

PM2.5

(µg m−3)

PM1.0

(µg m−3)

TVOC

(µg m−3)

Rn

(Bq m−3)

A

851

0.038

0.02

21

17

16

833

27

B

977

0.053

0.03

25

14

13

730

33

C

927

0.047

0.03

31

13

11

482

36

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Sustainable Environment Research

ISSN: 2468-2039

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