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. 2016 Dec 24;10(3):389–400. doi: 10.1007/s11869-016-0457-5

Table 3.

Indoor and outdoor 24-h concentrations of PM2.5, 15 PAHs, and their sum in two investigated sites in Silesia, Poland

Concentration (ng/m³)	Outdoor air					Indoor air
	Dąbrowa Górniczas		Złoty Potok			Dąbrowa Górnicza		Złoty Potok
	Median	Min-max	Median	Min-max	p*	Median	Min-max	Median	Min-max	p*
PM2.5^a	32.5	22.8–45.0	30.6	16.0–69.5	0.438	25.1	18.5–42.4	36.1	20.0–41.9	0.535
NP	5.5	2.9–11.7	8.3^b	5.3–9.8	0.211	4.7	2.9–7.0	4.9^b	2.6–5.9	0.902
ACE	0.2	0.1–0.6	0.3	0.0–1.0	0.311	0.4	0.2–0.4	0.3	0.2–0.4	0.620
FL	1.1	0.6–2.3	1.2	0.2–1.7	0.485	0.8	0.6–1.1	1.0	0.4–2.0	0.165
PHE	4.6	1.6–13.7	2.9	0.1–11.6	0.485	3.5	1.1–9.2	4.2	2.3–8.0	0.805
ANT	1.1	0.3–2.7	0.5	0.2–2.2	0.311	0.7	0.2–1.6	0.6	0.3–2.0	0.902
FLA	5.1	1.4–10.1	3.0	1.1–11.7	0.817	3.9	1.2–7.8	3.2	1.6–10.0	0.805
PYR	5.3^b	1.5–12.8	4.0^b	1.6–11.7	0.536	2.6^b	1.2–3.9	1.2^b	1.0–2.6	0.053
BaA	4.7	1.0–15.6	2.9^b	1.0–11.1	0.536	2.1	0.4–5.5	1.1^b	0.5–4.2	1.000
CHR	4.7^b	0.9–13.0	2.8	1.3–10.0	0.536	1.9^b	0.6–4.9	1.5	0.7–4.6	1.000
BbF	4.9	1.8–8.1	3.1	1.7–8.9	0.211	3.7	1.4–6.6	3.1	2.1–9.9	0.805
BkF	2.5	0.8–4.4	1.6	0.7–6.0	0.351	1.8	0.6–3.4	1.6	1.1–5.4	0.805
BaP	4.0	1.1–8.0	3.1	1.0–8.1	0.351	3.6	1.2–7.5	3.1	2.7–12.8	0.710
BghiP	4.5	1.6–7.6	3.3	0.8–8.6	0.135	3.8	1.5–6.2	3.5	2.8–11.9	0.710
DahA	0.5	0.2–1.2	0.3	0.0–3.0	0.183	0.4	0.2–0.9	0.4	0.2–1.5	0.805
IcdP	4.4	1.8–7.4	2.6	1.1–8.5	0.351	3.7	1.4–7.4	3.9	2.7–11.2	0.535
Σ15 PAHs	52.9	18.0–117.7	39.3	22.8–107.8	0.588	36.1	14.6–72.9	31.4	25.0–89.5	1.000

^aConcentration in μg/m³

^bStatistically significant differences between outdoor vs. indoor concentrations

*Mann-Whitney test; differences between Dąbrowa Górnicza and Złoty Potok