An air cleaner A is configured to include a portable housing 1 inside which an air duct R having an air inlet 11 and an air outlet 42 is formed blowing means 44 provided inside the housing 1 which blows indoor air introduced into the air duct R from the air inlet 11 out of the air outlet 42 a deodorizing element 62 provided to block off the air duct R and to allow air introduced into the air duct R to pass through and control means 47 which controls operation of the blowing means 44 in which the deodorizing element 62 adsorbs an ammonia component in the air introduced into the air duct R, and contains a catalyst that captures the ammonia component in the air, the control means 47 controls the blowing means 44 so that an airflow speed of air passing through the deodorizing element 62 is a predetermined value or lower, and the deodorizing element captures at least about 70% or more of the ammonia component in the indoor air introduced into the air duct R.空氣清淨機A,構成為包括:可搬式殼體1,在其內部形成具有吸入口11和吹出口42的通風路R;送風裝置44,將從設於該殼體1內部的該吸入口11導入該通風路R的室內空氣從該吹出口42吹出;除臭元件62,設置為遮斷該通風路R,使得被導入該通風路R的空氣通過該除臭元件62;及控制裝置47,其控制該送風裝置44的運轉;其中,該除臭元件62含有觸媒,吸附被導入該通風路R的空氣中的氨成分,以從空氣中捕集氨成分;該控制裝置47,控制該送風裝置44,以使得通過該除臭元件62的空氣的流速在特定值以下,藉此,該除臭元件捕集導入通風路R的室內空氣中的至少70%以上的氨成分。10‧‧‧前面板11‧‧‧空氣吸入口20‧‧‧前殼體21‧‧‧框25‧‧‧下突出部26‧‧‧操作部40‧‧‧後殼體42‧‧‧空氣吹出口42a‧‧‧吹出口42的右端42b‧‧‧吹出口42的左端A‧‧‧空氣清淨機C‧‧‧本體殼體
