Application of fuzzy comprehensive evaluation method in air quality evaluation of some public places in Dalian
Objective The fuzzy comprehensive evaluation method was applied to evaluate the air quality in some public places in Dalian City for providing scientific basis for the development of environmental health prevention and control coun-termeasures.Methods The monitoring data of air chemical pollutants in 54 beauty or hair salons in Dalian were collected from 2018 to 2020,and the fuzzy comprehensive evaluation method was used to evaluate and analyze the data.Results From 2018 to 2020,there were 58 air monitoring points in 54 beauty salon places in Dalian,55 of them were qualified,and 3 monitoring points had formaldehyde,ammonia,PM]0 and PM2.5 exceeding the standard.According to the fuzzy compre-hensive evaluation method,the air quality of the three monitoring points was mild pollution or moderate pollution.Conclu-sion From 2018 to 2020,the air quality in 54 beauty or hair salons in Dalian was generally good,but it of individual con-ditions was not good.Therefore,air purification should be further strengthened to ensure the health of the population.