Table 2.
Comparison of the concentration levels of bioaerosols in air samples.
| Site | Location | Bacteria (CFU/m3) | Fungi (CFU/m3) |
Endotoxin (ng/m3) |
1,3)-β-d-glucan (ng/m3) |
Reference |
|---|---|---|---|---|---|---|
| Wastewater treatment plant | Middle East | 1016 to 1973 | Not done (ND) | ND | ND | Niazi et al. (2015) |
| Contemporary airtight dwellings | USA | 19 to 607 | 3 to 59 | ND | ND | McGill et al. (2015) |
| Large office buildings | California, USA | 67 to 206 | ND | ND | ND | Tsai and Macher (2005) |
| Plant canopies | USA | 46 to 663 | ND | ND | ND | Lindemann et al. (1982) |
| six hospital lobbies | South Korea | 270 to 1800 | 11 to 220 | ND | ND | Park et al. (2013) |
| Amphitheater | China | 209 to 838 | ND | ND | ND | Guan et al. (2015) |
| Inside residential houses | Ohio, USA | ND | ND | ND | 0.81–1.2 | Crawford et al. (2009) |
| Outside residential houses | ND | ND | ND | 6.1–8.9 | ||
| Commercial concentrated animal feeding operations | Illinois, USA | ND | ND | 98 to 23,157 | 2.4 to 538 | Yang et al. (2013) |