Effects of air pollution control measures on air quality improvement in Guangzhou, China

Yu, Miao; Zhu, Yun; Lin, Che‐Jen; Wang, Yafei; Xing, Jia; Jang, Carey; Huang, Jizhang; Jin-ying, Huang; Jin, Jiangbo; Yu, Lian

doi:10.1016/j.jenvman.2019.05.046

Cited by 70 publications

(31 citation statements)

References 47 publications

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“…China has initiated a series of pollution control policies in recent years (Zheng et al, 2018;Ma et al, 2019) and achieved success in controlling some air pollutants, especially PM2.5 Yu et al, 2019;Xu et al, 2019). However, the ozone pollution is still severe in China especially the mega-city areas (Li et al, 2019;Xu et al, 2019).…”

Section: Comparison Of Bvoc Emission With Anthropogenic Emission In Cmentioning

confidence: 99%

“…We used the long-term record of satellite HCHO VC from the OMI sensor to asses our estimation of The increase of BVOC reported by this study is expected to lead to a more complex situation for making the policies for controlling ozone pollution in China. The recent pollution control policies in China have effectively initiated the control of PM2.5 pollution, but the ozone pollution is still severe especially in 5 urban areas Yu et al, 2019;Xu et al, 2019;Li et al, 2019). Although anthropogenic emission is still the dominant source of NMVOC in China and is ~70 % higher than the average biogenic emission in China, the BVOC still makes an important contribution to ozone pollution in mega cities including Beijing (Pang et al, 2009;Shao et al, 2009), Shang Hai (Geng et al, 2011), Guang Zhou (Situ et al, 2013) and Xi'an and may further increase in importance considering the continuing 10 greening trend over China in the future.…”

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confidence: 99%

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Land cover change dominates decadal trends of biogenic volatile organic compound (BVOC) emission in China

Wang

Yang

et al. 2020

Preprint

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Abstract. Satellite observations reveal that China has been leading the global greening trend in the past two decades. We assessed the impact of land cover change on total BVOC emission in China during 2001–2016 and found a significant increasing trend of 1.09 % yr−1 with increases of 1.35, 1.25 and 1.43 % yr−1 for isoprene, monoterpenes and sesquiterpenes, respectively. Comparison of different scenarios showed that vegetation change is the main driver of BVOC emission change in China. Considerable heterogeneity was observed on regional scales, with the highest increasing trends of BVOC emission found in the Qinling Mountains and in the south of China. The BVOC emission for the year 2016 in these two regions was enhanced by 61.89 and 67.64 % compared to that of 2001, respectively. We compared the long-term HCHO vertical columns (VC) from the satellite-based Ozone Monitoring Instrument (OMI) with the estimation of isoprene emission in summer. The results showed statistically significant positive correlation coefficients over the regions with high vegetation cover fractions. In addition, the isoprene emission and HCHO VC both showed statistically significant increasing trends in the south of China where these two variables have high positive correlation coefficients. This result supports our estimation of the variability and trends of BVOC emission in China. Although anthropogenic sources comprise ∼63 % NMVOC emissions in China, the continued increase of BVOC will enhance the importance of considering BVOC when making policies for controlling ozone pollution in China along with ongoing efforts to reduce anthropogenic emissions.

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Section: Comparison Of Bvoc Emission With Anthropogenic Emission In Cmentioning

confidence: 99%

mentioning

confidence: 99%

Land cover change dominates decadal trends of biogenic volatile organic compound (BVOC) emission in China

Wang

Yang

et al. 2020

Preprint

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“…Because frequent haze pollution has led to a rise in Chinese public concern and has caused the potential risk of social unrest [11]. The Chinese government has thus far established a series of environmental regulations to control industrial and vehicular emissions, encourage clean energy and set up air pollution warning systems and action plans for haze episodes [12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Associations between individual perceptions of PM2.5 pollution and pulmonary function in Chinese middle-aged and elderly residents

Chen

Zhang

et al. 2020

BMC Public Health

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Background: PM 2.5 pollution has become a major public health concern in urban China. Understanding the residents' individual perceptions toward haze pollution is critical for policymaking and risk communication. However, the perceptions of middle-aged and elderly residents, who particularly vulnerable to haze pollution, are poorly understood. In this study, we aimed to explore their risk perceptions of haze pollution and investigate its relationship with health status and pulmonary function parameters. Methods: A cross-sectional study of 400 randomly sampled individuals (aged 40 to 90 years) was conducted in Wuxi, a typical PM 2.5-polluted city in Jiangsu Province, China (during 2015-2017, daily average concentration of PM 2.5 was 52.7 μg/m 3). Each participant's demographic and health information, individual perception and pulmonary function outcomes were collected to explore the relationships between perception factors and personal characteristics and pulmonary function parameters, using linear models. Results: We found that the mean values for controllability (5 ± 2.8) and dread of risk to oneself (levels of fear for haze-related harm to oneself) (6.9 ± 2.5) were the lowest and the highest values, respectively, in our study. Education and average family income were positively related with all individual perception factors, while age was negatively associated. A history of respiratory disease was positively associated with all individual perception factors except controllability. Significant positive associations were observed between PEF (coefficients ranged from 0.18 to 0.22) and FEF75% (coefficients ranged from 0.18 to 0.29) with a variety of individual perception factors. Conclusions: There were a lack of concern and knowledge, weak self-protection consciousness and a strong dread of PM 2.5 pollution among the middle-aged and elderly residents in Wuxi. Their individual perceptions were associated with age, education levels, average family income, history of respiratory disease, PEF and FEF75%. Our findings may help policymakers develop effective policies and communication strategies to mitigate the hazards of haze among older residents.

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“…Because frequent haze pollution has led to a rise in Chinese public concern and has caused the potential risk of social unrest [11]. The Chinese government has thus far established a series of environmental regulations to control industrial and vehicular emissions, encourage clean energy and set up air pollution early warning systems and response plans for haze episodes [12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Associations between individual perceptions of PM2.5 pollution and pulmonary function in Chinese middle-aged and elderly residents

Chen

Zhang

et al. 2020

Preprint

View full text Add to dashboard Cite

Background: PM2.5 pollution has become a major public health concern in urban China. Understanding the residents’ individual perceptions toward haze pollution is critical for policymaking and risk communication. However, the perceptions of middle-aged and elderly residents, who particularly vulnerable to haze pollution, are poorly understood. In this study, we aimed to explore their risk perceptions of haze pollution and investigate its relationship with health status and pulmonary function parameters. Methods: A cross-sectional study of 400 randomly sampled individuals (aged 40 to 90 years) was conducted in Wuxi, a typical PM2.5-polluted city in Jiangsu Province, China (during 2015-2017, daily average concentration of PM2.5 was 52.73 μg/m3). Each participant’s demographic and health information, individual perception and pulmonary function outcomes were collected to explore the relationships between perception factors and personal characteristics and pulmonary function parameters, using linear models. Results: We found that the mean values for controllability (4.99 ± 2.78) and dread of risk to oneself (levels of fear for haze-related harm to oneself) (6.9 ± 2.45) were the lowest and the highest values, respectively, in our study. Education and average family income were positively related with all individual perception factors, while age was negatively associated. A history of respiratory disease was positively associated with all individual perception factors except controllability. Significant positive associations were observed between PEF (coefficients ranged from 0.18 to 0.22) and FEF75% (coefficients ranged from 0.18 to 0.29) with a variety of individual perception factors. Conclusions: There were a lack of concern and knowledge, weak self-protection consciousness and a strong dread of PM2.5 pollution among the middle-aged and elderly residents in Wuxi. Their individual perceptions were associated with age, education levels, average family income, history of respiratory disease, PEF and FEF75%. Our findings may help policymakers develop effective policies and communication strategies to mitigate the hazards of haze among older residents.

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Effects of air pollution control measures on air quality improvement in Guangzhou, China

Cited by 70 publications

References 47 publications

Land cover change dominates decadal trends of biogenic volatile organic compound (BVOC) emission in China

Land cover change dominates decadal trends of biogenic volatile organic compound (BVOC) emission in China

Associations between individual perceptions of PM2.5 pollution and pulmonary function in Chinese middle-aged and elderly residents

Associations between individual perceptions of PM2.5 pollution and pulmonary function in Chinese middle-aged and elderly residents

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