Emissions of dioxins to air from households

wood heating (stoves) is the main source of dioxin emissions from coal heating decreased sharply in the period 2000-2019, the transition to more environmentally friendly ways of heating and the rejuvenation of the stove park is the challenge for the future木材供暖（wood heating (stoves)）是燃煤供暖产生的二噁英排放的主要来源，该类排放在2000至2019年间大幅下降；未来的挑战在于向更环保的供暖方式转型，以及炉灶体系的更新焕新。