Table 1.

The result of virus detection in different locations of ICU ward of COVID-19

Day	Ward	bPM2.5 bound	PM10 bound	PM2.5 (μgm-3)	PM10 (μgm-3)	cTSP (μgm-3)	dT (° C)	fRH (%)
1a	Patient bed	Negative	Positive	25.7 ± 4.6	32.6 ± 5.9	36.0 ± 6.6	28.0 ± 1.0	48.3 ± 5.8
2	Patient bed	Negative	Negative	25.3 ± 5.9	31.9 ± 9.1	35.2 ± 10.2	26.5 ± 1.0	44.5 ± 5.5
3	Nursing section	Negative	Negative	24.1 ± 6.5	34.1 ± 7.9	38.1 ± 9.1	25.9 ± 0.7	42.1 ± 5.7
4	Nursing section	Positive	Negative	21.6 ± 4.6	29.1 ± 6.4	32.0 ± 7.1	25.6 ± 0.3	42.0 ± 3.6
5	Hallway	Negative	Negative	15.82 ± 9.27	27.06 ± 10.71	37.32 ± 20.33	27.43 ± 0.68	36.38 ± 7.01
6	Hallway	Negative	Negative	15.02 ± 4.20	20.83 ± 4.36	24.36 ± 6.56	27.78 ± 0.77	46.93 ± 5.39
7	Rest room	Negative	Negative	15.83 ± 2.34	20.42 ± 6.18	22.91 ± 10.31	27.33 ± 0.63	47.27 ± 3.87
8	Rest room	Negative	Negative	12.81 ± 5.52	20.69 ± 13.12	26.23 ± 23.38	27.52 ± 1.06	37.32 ± 6.16

^aTwo samples per day

^bParticulate matter

^cTotal suspended particulate

^dTemperature

^fRelative humidity