Table 1.

Aerosol particle concentrations (#/m³, Mean ± SD) before and after 5 min of incense burn and after 30 min of observation with room ventilation off.

	0.3 μm	0.5 μm	1.0 μm	Total
Baseline	9.6 × 105 ± 4.8 × 105	7.9 × 104 ± 3.7 × 104	1.8 × 104 ± 1.7 × 104	1.1 × 106 ± 5.0 × 105
After incense burn	7.0 × 107 ± 8.0 × 106	3.1 × 107 ± 2.0 × 107	1.6 × 106 ± 1.4 × 106	1.0 × 108 ± 1.6 × 107
Aerosol accumulated (Qe)	6.9 × 107 ± 8.4 × 106	3.1 × 107 ± 2.0 × 107	1.6 × 106 ± 1.3 × 106	1.0 × 108 ± 1.6 × 107
After 30 min	6.4 × 107 ± 1.5 × 107	1.4 × 107 ± 1.1 × 107	6.1 × 105 ± 5.2 × 105	7.8 × 107 ± 2.6 × 107
% Aerosol removed	6.5 ± 30	59.5 ± 11.2	61 ± 13	25.7 ± 15.2