| ICS | PM2.5 (ug/m3) | CO (ppm) |
| Mean (σ) | Mean (σ) | |
| This study | 2690.89 ± 2523.90 | 82.32 ± 52.70 |
| Grabow et al., 2013 | 973 ± 116 | 31 ± 10 |
| De la Sota et al., 2018 | 4621.9 | 23.8 |
| Muralidharan et al., 2015 | 714 | 12.7 |
| McCracken et al., 1998 | 450 ± 550 | 11.92 ± 18.16 |