RESUMO
Objective To know the indoor air quality of newly decorated houses and the health effects in Nanning,Guangxi, China.Methods 130 houses in Nanning city were selected and the indoor air quality was determined according to the national standard test methods.25 high formaldehyde levels houses were selected for following up survey which included indoor environmental pollution and habitants' health.Results Formaldehyde and ammonia were the dominant indoor environmental pollutants,the eligible rate for the two pollutants in the indoor air was only 25.6%and 27.1%,and the concentration of the two pollutants exceeded the limits by 3.88 and 1.35 times,respectively.92%of the habitants suffered from gorge pain.Conclusion Formaldehyde and ammonia are the dominant indoor environmental pollutants in the newly decorated houses in Nanning,the pollution has some adverse effects on habitants' health.