Table 5.

Bioaerosol concentrations in different process sections of WWTP. Units: CFU/m³

Different process sections	Coarse screen CFU/m3	Primary settling tanks	Aeration tanks	Secondary settling tanks	Sludge dewatering room	References
Total bacterial count	1988	2800	4726	-	5565	(Li et al. 2011)
Total fungal count	212	1,590	583	-	830
Total bacterial count	80	-	2005	-	3,807	(Yang et al. 2019b)
Total fungal count	255	-	678	-	1,254
Staphylococcus	70	-	141	-	283
Pseudomonas aeruginosa	5	-	9	-	22
Total bacterial count	469	289	684	49	69	(Malakootian et al. 2013)
Total bacterial count	2144	2093	4878	60	74	(Yang et al. 2019a)
Total bacterial count	749	575	1373	296	944	(Fathi. et al. 2017)
Total fungal count	720	985	1384	388	497