Diagnostic Comparison of Changes in Air Quality over China before and during the COVID-19 Pandemic

Suresh, Anupama; Chauhan, Diksha; Othmani, Amina; Bhadauria, Neha; Aswin, S; Jose, Jais; Mejjad, Nezha

doi:10.21203/rs.3.rs-30482/v1

Cited by 10 publications

(6 citation statements)

References 1 publication

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“…This is primarily because carbon dioxide gas emissions into the atmosphere are reduced based on less industrial activities. This issue is noticeable but not enough for environmental sustainability [2][3][4][5][6]. The Covid-19 pandemic not only affects the air quality index but also affects social mobility during the lockdown because the lockdown demotivates social gatherings.…”

Section: Introductionmentioning

confidence: 99%

Firm’s Sustainability and Societal Development from the Lens of Fishbone Eco-Innovation: A Moderating Role of ISO 14001-2015 Environmental Management System

2020

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Eco-innovation has gained considerable attention in academia as well as in industry due to its potential in mitigating environmental challenges and its positive correlation with firm performance. However, there are limited studies which have investigated the moderating relation of International Organization for Standardization (ISO) 14001:2015 between eco-innovation and firm sustainability in their contribution to societal development. This research is supported by a resource-based theory which explores the core-competencies of firms and challenges the resources creating the competitive advantage of the firm without compromising on the social responsibility aspect of the firm. This study proposes a fishbone eco-innovation business model, which includes production (product, process, and technology) and non-production (organization and marketing) business activities mapped with the 17 Sustainable Development Goals (SDGs) for societal development. This fishbone eco-innovation business model signals to the stakeholders about the organization’s innovation in their green implementation, which goes beyond mere compliance. The contribution of the fishbone eco-innovation business model to societal development will create a unique competitive edge and green goodwill amongst the external stakeholders, which will attract sustainably responsible investors for investment. This article draws propositions and develops a conceptual model for future empirical research on eco-innovation and societal development.

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Section: Introductionmentioning

confidence: 99%

Firm’s Sustainability and Societal Development from the Lens of Fishbone Eco-Innovation: A Moderating Role of ISO 14001-2015 Environmental Management System

2020

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“…This is similar to the results of a study in Spain, which demonstrated that air pollutants reduced due to lockdown of the COVID-19 outbreak 36 . Another study in China, observed a decrease in emission of NO 2 and an increase in emission of O 3 during the lockdown, especially when the restrictions were removed, more emission of O 3 was experienced 37 . However, the results did not show a significant different between concentration of O 3 during the COVID-19 outbreak (the whole study period) and previous year.…”

Section: Discussionmentioning

confidence: 96%

Impact of the COVID-19 Outbreak on Air Pollutants, in 2020 Compared to the Same Period in 2019 in Qom, Iran

Safari¹,

Fard²,

Hosseini³

et al. 2022

JEHSD

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Introduction: The present study aimed to investigate the change of air pollutants in 2020 in Qom compared to the same period in 2019 in five scenarios. Materials and Methods: The hourly air quality data was obtained from air quality monitoring stations of Qom Environmental Protection Organization (EPO). The meteorological parameters were obtained from Iranian Meteorological Organization website. The data were analyzed using Excel, SPSS, and WRPLOT view. Results: In the first month of the COVID-19 crisis, NO2, SO2, and CO decreased by 26.4, 39, and 0.2 µg/m3 compared to same period in 2019, respectively; however, PM2.5 and O3 increased by 7.1 and 2.3 µg/m3, respectively. In Iranian Nowruz holidays, an increase of 2.9 µg/m3 in O3 mean concentration and a decrease of 8.1, 23.8, 22.8, and 0.2 µg/m3 in mean concentration of PM10, NO2, SO2, and CO were experienced. The prevailing wind direction during the 2020 in each scenario was from the west of Qom city. Conclusion: Gaseous pollutants decreased during the crisis, but particulate pollutants increased slightly compared to the same period in 2019. The lockdown may have had the most impact in decreasing pollutants. A slight increase in wind speed from the west could be a factor in increasing particles. This crisis provided an opportunity to assess the role of policies, such as traffic reduction plans or discarding worn-out cars or urban management to improve air quality.

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“…In summer and winter, the lowest concentrations of NO2 (4.3 ppb) and ozone (4.26 µgm/3) were recorded at Teri gram station. This may be due to that in winters, the air pollutants emitted from numerous sources are confined in the boundary layer due to persistent temperature inversions and other conditions such as fewer wind speeds, lower temperatures (Suresh et al, 2020) and lack of rainfall decreased surface vertical mixing which results in less dispersion of air pollutants (Bodor et al, 2020). In general, air molecules are less lively and enforce consolidation and stability in the weather throughout the winter because of the low temperatures, which leads to less dispersion of air contaminants.…”

Section: Seasonal and Monthly Variation Of Air Pollutantsmentioning

confidence: 99%

An assessment of seasonal, monthly and diurnal variations of ambient air quality in the Gurugram city (Haryana)

Bhadauria

Chauhan

Ranjan

et al. 2023

JANS

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Gurugram is emerging as one of India's most advanced cities. The combined impact of industrial and vehicular emissions makes the environment toxic. Recently, Gurugram has experienced severe air quality. In the present work, an assessment of seasonal, monthly, and diurnal variations of ambient air quality was carried out in Gurugram during the period of March 2021 to 2022 February. Seasonal and monthly concentrations of key air pollutants like particulate matter (PM2.5), nitrogen dioxide (NO2), carbon monoxide (CO) and ozone (O3) were examined at Vikas sadan, Gwal Pahari and Teri Gram in Gurugram city to study the most polluted seasons and months. Significantly higher mean concentrations of Particulate matter PM2.5 (406.94 μgm−3) and NO2 (353.96ppb) were seen during the colder months and seasons. O3 showed a consistent trend with variations during the year, with the highest concentration in winter (106.35µg/m3). PM2.5 and NO2 concentrations during the night were greater for all seasons when compared to diurnal values. O3 concentrations displayed diurnal tendencies that were the opposite of those of NO2 concentrations. The highest concentrations of ambient PM2.5, NO2, and CO were observed at the Vikas Sadan Monitoring Station. While the NISE Gwal Pahari station showed greater O3 values. The findings highlight the necessity of efficient air pollution control in Gurugram. To prevent public exposure to air pollutants, preventive measures like green spaces, using public transport, etc. must be adopted. The study contributes to a better understanding of air pollution by seasonal, monthly and diurnal assessment in the city of Gurugram.

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Diagnostic Comparison of Changes in Air Quality over China before and during the COVID-19 Pandemic

Cited by 10 publications

References 1 publication

Firm’s Sustainability and Societal Development from the Lens of Fishbone Eco-Innovation: A Moderating Role of ISO 14001-2015 Environmental Management System

Firm’s Sustainability and Societal Development from the Lens of Fishbone Eco-Innovation: A Moderating Role of ISO 14001-2015 Environmental Management System

Impact of the COVID-19 Outbreak on Air Pollutants, in 2020 Compared to the Same Period in 2019 in Qom, Iran

An assessment of seasonal, monthly and diurnal variations of ambient air quality in the Gurugram city (Haryana)

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