Analysis of indoor air pollution and related influencing factors in Xi'an
10.3969/j.issn.1006-2483.2021.04.010
- VernacularTitle:'
- Author:
Ling CHANG
1
;
Feng ZHANG
1
;
Dong LIU
1
;
Xiaoyan WU
1
;
Jinlong MA
1
Author Information
1. Department of Health Monitor, Xi'an Center for Disease Control and Prevention, Xi'an 710054, China
- Publication Type:Journal Article
- Keywords:
Indoor air pollution;
Living habits;
Health
- From:
Journal of Public Health and Preventive Medicine
2021;32(4):45-49
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the indoor air quality in urban and rural areas in Xi'an, to analyze the relationship between indoor pollutants and living habits, and to study the impact of pollutants on health, so as to provide reference for improving indoor environment. Methods Through random cluster sampling, 29 families from rural areas and 53 families from urban areas were selected from Xi'an. Data was collected by questionnaire survey and on-site environmental sampling. Non-parametric test and Chi-square test were used for statistical analysis. Results Overall, the values of CO, NO2, toluene and xylene in Xi'an were far lower than the national standards. The medians of CO2, PM2.5, PM10, and formaldehyde were 0.1%, 44.5 μg/m3, 51.5 μg/m3, and 34.5 μg/m3, respectively. The differences in the values of CO, NO2, formaldehyde, toluene and xylene in urban and rural areas were statistically significant (P<0.05), with all the values in urban areas being higher than those in rural areas. The detected values of formaldehyde, CO, and NO2 were higher in families with humidifiers and potted plants (P<0.05). The results of CO and NO2 were higher in families with pets (P<0.05). Analysis of the relationship between indoor pollution and health showed that the concentrations of PM10, CO, and NO2 were significantly correlated with children's sleep duration and colds (P<0.05). Conclusion The indoor air pollution in urban areas is higher than that in rural areas in Xi'an. It is suggested that residents should be cautious about the use of humidifiers, planting potted plants, and keeping pets, to reduce indoor air pollution and improve their health.
