About: Comparative study on air quality status in Indian and Chinese cities before and during the COVID-19 lockdown period

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

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Comparative study on air quality status in Indian and Chinese cities before and during the COVID-19 lockdown period
Creator	Kaushik, Aman Agarwal, Aviral Kumar, Sankalp Mishra, Rajeev
Source	Medline; PMC
abstract	Amidst COVID-19 pandemic, extreme steps have been taken by countries globally. Lockdown enforcement has emerged as one of the mitigating measures to reduce the community spread of the virus. With a reduction in major anthropogenic activities, a visible improvement in air quality has been recorded in urban centres. Hazardous air quality in countries like India and China leads to high mortality rates from cardiovascular diseases. The present article deals with 6 megacities in India and 6 cities in Hubei province, China, where strict lockdown measures were imposed. The real-time concentration of PM(2.5) and NO(2) were recorded at different monitoring stations in the cities for 3 months, i.e. January, February, and March for China and February, March, and April for India. The concentration data is converted into AQI according to US EPA parameters and the monthly and weekly averages are calculated for all the cities. Cities in China and India after 1 week of lockdown recorded an average drop in AQI(PM2.5) and AQI(NO2) of 11.32% and 48.61% and 20.21% and 59.26%, respectively. The results indicate that the drop in AQI(NO2) was instantaneous as compared with the gradual drop in AQI(PM2.5). The lockdown in China and India led to a final drop in AQI(PM2.5) of 45.25% and 64.65% and in AQI(NO2) of 37.42% and 65.80%, respectively. This study will assist the policymakers in devising a pathway to curb down air pollutant concentration in various urban cities by utilising the benchmark levels of air pollution.
has issue date	2020-07-23(xsd:dateTime)
bibo:doi	10.1007/s11869-020-00881-z
bibo:pmid	32837619
has license	no-cc
sha1sum (hex)	baa6dc18d2c63dd328eaec296c8c9e5a2464d078
schema:url	https://doi.org/10.1007/s11869-020-00881-z
resource representing a document's title	Comparative study on air quality status in Indian and Chinese cities before and during the COVID-19 lockdown period
has PubMed Central identifier	PMC7375877
has PubMed identifier	32837619
schema:publication	Air Qual Atmos Health
resource representing a document's body	covid:baa6dc18d2c63dd328eaec296c8c9e5a2464d078#body_text
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