Exceedances and trends of particulate matter (PM2. 5) in five Indian megacities

V Singh, S Singh, A Biswal - Science of the Total Environment, 2021 - Elsevier
Abstract Fine particulate matter (PM 2.5) is the leading environmental risk factor that requires
regular monitoring and analysis for effective air quality management. This work presents the …

Vehicle emissions as an important urban ammonia source in the United States and China

K Sun, L Tao, DJ Miller, D Pan… - Environmental …, 2017 - ACS Publications
Ammoniated aerosols are important for urban air quality, but emissions of the key precursor
NH3 are not well quantified. Mobile laboratory observations are used to characterize fleet …

Mechanisms and pathways for coordinated control of fine particulate matter and ozone

N Ojha, M Soni, M Kumar, SS Gunthe, Y Chen… - Current pollution …, 2022 - Springer
Abstract Purpose of Review Fine particulate matter (PM2. 5) and ground-level ozone (O3)
pose a significant risk to human health. The World Health Organization (WHO) has recently …

Long-term aerosol climatology over Indo-Gangetic Plain: Trend, prediction and potential source fields

M Kumar, KS Parmar, DB Kumar, A Mhawish… - Atmospheric …, 2018 - Elsevier
Long-term aerosol climatology is derived using Terra MODIS (Collection 6) enhanced Deep
Blue (DB) AOD retrieval algorithm to investigate decadal trend (2006–2015) in columnar …

Chemical characteristics and source apportionment of PM2.5 using PCA/APCS, UNMIX, and PMF at an urban site of Delhi, India

S Jain, SK Sharma, N Choudhary, R Masiwal… - … Science and Pollution …, 2017 - Springer
The present study investigated the comprehensive chemical composition [organic carbon
(OC), elemental carbon (EC), water-soluble inorganic ionic components (WSICs), and major …

Chemical composition of fine mode particulate matter (PM2. 5) in an urban area of Delhi, India and its source apportionment

SK Sharma, TK Mandal - Urban Climate, 2017 - Elsevier
In this paper, the chemical constitutes of PM 2.5 mass [organic carbon (OC), elemental
carbon (EC), water soluble inorganic ionic components (WSIC), and trace elements] was …

Water soluble inorganic species of PM10 and PM2. 5 at an urban site of Delhi, India: seasonal variability and sources

M Saxena, A Sharma, A Sen, P Saxena, TK Mandal… - Atmospheric …, 2017 - Elsevier
Abstract Comprehensive data of 2 years (2013–2014) of water soluble inorganic species
(WSIS) in the particulate matter (PM 10: mean: 233.0±124.6 μg m− 3 and PM 2.5: mean …

Variation of OC, EC, WSIC and trace metals of PM10 in Delhi, India

SK Sharma, TK Mandal, M Saxena, A Sharma… - Journal of Atmospheric …, 2014 - Elsevier
Variation of organic carbon (OC), elemental carbon (EC), water soluble inorganic ionic
components (WSIC) and major and trace elements of particulate matter (PM 10) were …

Atmospheric ammonia in China: Long-term spatiotemporal variation, urban-rural gradient, and influencing factors

J Dong, B Li, Y Li, R Zhou, C Gan, Y Zhao, R Liu… - Science of The Total …, 2023 - Elsevier
In recent years, atmospheric ammonia (NH 3) concentrations have increased in China.
Ammonia control has become one of the next hot topics in air pollution mitigation with the …

Source apportionment of PM10 by using positive matrix factorization at an urban site of Delhi, India

SK Sharma, TK Mandal, M Saxena, A Sharma… - Urban climate, 2014 - Elsevier
In the present study, source apportionment of PM 10 has been done using positive matrix
factorization at an urban site of Delhi, India based on the chemical compositions of PM 10 …