The continuous haze weather has aroused people's great concern about air quality issues, and has also driven the sales of air purifier products. The reporter learned from the market that recently, the sales of air purifier products, especially in the northern market, doubled year on year, and the attention of consumers in the Guangzhou market has also increased significantly. The reporter saw on some e-commerce platforms such as Baotian Cat and Mall Online that many air purifier products are hot, and some popular products are out of stock. According to the data from the mall, the national sales of air purifiers increased by. 29% at the peak, and the sales in Beijing increased by. 77% compared with the national sales. The data of Yixun also shows that the daily average month on month sales of Yixun air purifier products are more than%, with about 1000 units sold every day. Sharp and Philips are striving to further expand the market. On a certain treasure platform, the total sales volume of air purifiers of the top five sellers recently exceeded pieces. The sales of air purifier products also increased significantly in offline physical store channels. Yesterday, the reporter visited a number of Tianhe home appliance chain stores and the home appliance counters of department stores, including Philips, Panasonic, Midea, Yadu and other brands of air purifiers, which were placed in a prominent position. The salesperson of Tianhe Store Philips purifier products told the reporter that the sales volume has increased significantly during this period. The reporter saw in the store that the price of foreign brands' purifier products on the market is mostly - yuan, the price of middle and high-end products of Philips, Samsung, Sharp and other brands is more than yuan, the price of domestic brands' medium and large brands is more than yuan, and the price of some products is up to yuan, even more than 10000 yuan. The prices of other domestic brands are relatively cheap. Most of Midea's air purifier products are around yuan. Yadu, which specializes in humidifiers, has launched some air purifier products worth about yuan since it entered the purifier field last year, but most mainstream products are also above yuan. Some consumers think that the current price of air purifier products is on the high side, but some consumers are worried about whether the air purifier products with hundreds of yuan can really play the purification function. The reporter saw on a treasure that many so-called air purifier products of unknown brands only sell for tens or hundreds of yuan. Mr. Zhong, who works in a real estate company, said, "I would rather spend more money than buy well-known brand products. This money can't be saved.". According to the statistics of the industry research institute Zhongyikang in, and the first three quarters of, the year-on-year growth of the retail sales of air purifiers is more than 11%, and the growth rate is increasing year by year, from 11.4% to 14.7%. The growth of air purifier market has attracted more and more home appliance giants to enter this market. In terms of the share in the first three quarters of the year, foreign brands Philips and Panasonic ranked first and second in terms of the growing share of retail volume. Philips's share of retail volume increased from 20.5% to 33.4%, and Panasonic's share of retail volume increased from 14.2% to 28.5%. Local brands in the air purifier market have been surpassed by foreign brands and far behind.