About: Effect of restricted emissions during COVID-19 on air quality in India

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An Entity of Type : schema:ScholarlyArticle, within Data Space : wasabi.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Effect of restricted emissions during COVID-19 on air quality in India
Creator	Zhang, Hongliang Anshika, Gao, Jingsi Kota, Harsha Sharma, Shubham Zhang, Mengyuan
Source	Elsevier; Medline; PMC
abstract	Abstract The effectiveness and cost are always top factors for policy-makers to decide control measures and most measures had no pre-test before implementation. Due to the COVID-19 pandemic, human activities are largely restricted in many regions in India since mid-March of 2020, and it is a progressing experiment to testify effectiveness of restricted emissions. In this study, concentrations of six criteria pollutants, PM10, PM2.5, CO, NO2, ozone and SO2 during March 16th to April 14th from 2017 to 2020 in 22 cities covering different regions of India were analysed. Overall, around 43, 31, 10, and 18% decreases in PM2.5, PM10, CO, and NO2 in India were observed during lockdown period compared to previous years. While, there were 17% increase in O3 and negligible changes in SO2. The air quality index (AQI) reduced by 44, 33, 29, 15 and 32% in north, south, east, central and western India, respectively. Correlation between cities especially in northern and eastern regions improved in 2020 compared to previous years, indicating more significant regional transport than previous years. The mean excessive risks of PM reduced by ~52% nationwide due to restricted activities in lockdown period. To eliminate the effects of possible favourable meteorology, the WRF-AERMOD model system was also applied in Delhi-NCR with actual meteorology during the lockdown period and an un-favourable event in early November of 2019 and results show that predicted PM2.5 could increase by only 33% in unfavourable meteorology. This study gives confidence to the regulatory bodies that even during unfavourable meteorology, a significant improvement in air quality could be expected if strict execution of air quality control plans is implemented.
has issue date	2020-08-01(xsd:dateTime)
bibo:doi	10.1016/j.scitotenv.2020.138878
bibo:pmid	32335409
has license	els-covid
sha1sum (hex)	cfa36fcaf8ffbcff133249759be27f85cdfd10c2
schema:url	https://doi.org/10.1016/j.scitotenv.2020.138878
resource representing a document's title	Effect of restricted emissions during COVID-19 on air quality in India
has PubMed Central identifier	PMC7175882
has PubMed identifier	32335409
schema:publication	Science of The Total Environment
resource representing a document's body	covid:cfa36fcaf8ffbcff133249759be27f85cdfd10c2#body_text
is schema:about of	named entity 'restricted' named entity 'quality control' named entity 'concentrations' named entity 'early' named entity 'regulatory bodies' named entity 'restricted' named entity 'DIFFERENT' named entity 'RISKS' named entity 'ACTIVITIES' named entity 'TRANSPORT' named entity 'POSSIBLE' named entity 'NORTH' named entity 'IMPLEMENTATION' named entity 'NORTHERN' named entity 'PREVIOUS' named entity 'MEAN' named entity 'PROGRESSING' named entity 'IMPROVED' named entity 'NCR' named entity 'AIR QUALITY' named entity 'activities' named entity 'air quality' named entity 'measures' named entity 'lockdown' named entity 'cities' named entity 'restricted' named entity 'regions' named entity 'improvement' named entity 'cost' named entity 'testify' named entity '2017' named entity 'AQI' named entity 'strict' named entity 'eastern regions' named entity 'effectiveness' named entity 'emissions' named entity 'criteria pollutants' named entity 'Correlation' named entity 'India' named entity 'PM 2.5' named entity 'AQI' named entity 'regulatory bodies' named entity 'meteorology' named entity 'COVID-19' named entity 'PM 2.5' named entity 'anthropogenic sources' named entity 'PM 2.5' named entity 'particulate matter' named entity 'pollutant' named entity 'India' named entity 'WRF' named entity 'meteorology' named entity 'Delhi' named entity 'World Health Organization' named entity 'PM 2.5' named entity 'AQI' named entity 'Faridabad' named entity 'air quality' named entity 'pollution' named entity 'WHO' named entity 'Delhi' named entity 'air quality' named entity 'AQI' named entity 'Japan' named entity 'meteorology' named entity 'reduce emissions' named entity 'AQI' named entity 'carbon monoxide' named entity 'NH 3' named entity 'north India' named entity 'Gaya' named entity 'north India' named entity 'China' named entity 'pollutant' named entity 'India' named entity 'AQI'

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