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每逢春节,燃放烟花爆竹引发的安全隐忧,成为民众热议的焦点。城市里高楼林立,老式旧宅毗邻而建,燃放烟花爆竹极易引发火灾,这些火灾的起火点多数集中在居民阳台、楼顶和空调外机部位,还给行人的交通安全带来严重威胁。更让人担忧的是,伴随着此起彼伏的鞭炮声而一路飙升的PM2.5浓度。专家指出,烟花爆竹炸开后,会释放大量烟尘和二氧化硫。这是污染空气的主要元素。空气中的污染物迅速大幅度增加,直接导致空气质量下降。环保部门呼吁,为了有较好的空气质量相伴,请
During the Spring Festival, safety concerns caused by the release of fireworks and firecrackers have become the focus of public hot discussion. High-rise buildings in the city, adjacent to the old-fashioned houses built fireworks fireworks can easily lead to fire, most of these fires focus on the residents balcony, roof and air-conditioning units outside, but also to pedestrians traffic safety pose a serious threat. Even more worrisome is the PM2.5 concentration that has skyrocketed along with the firecrackers that come and go. Experts point out that after the explosion of firecrackers, they will release a lot of smoke and sulfur dioxide. This is the main element that pollutes the air. The rapid increase of pollutants in the air, a direct result of the decline in air quality. Environmental protection department called, in order to have a good air quality accompanied, please