Articles with "pm2 concentrations" as a keyword



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Comparison of Ozone and PM2.5 Concentrations over Urban, Suburban, and Background Sites in China

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Published in 2020 at "Advances in Atmospheric Sciences"

DOI: 10.1007/s00376-020-0054-2

Abstract: Surface ozone (O3) and fine particulate matter (PM2.5) are dominant air pollutants in China. Concentrations of these pollutants can show significant differences between urban and nonurban areas. However, such contrast has never been explored on… read more here.

Keywords: urban suburban; pm2; ppbv; suburban background ... See more keywords
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Long-term trends in ambient fine particulate matter from 1980 to 2016 in United Arab Emirates

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Published in 2019 at "Environmental Monitoring and Assessment"

DOI: 10.1007/s10661-019-7259-9

Abstract: This paper presents the most comprehensive datasets of ambient fine particulate matter (PM2.5) for the UAE from 1980 to 2016. The long-term distributions of PM2.5 showed the annual average PM2.5 concentrations constantly exceeded the EPA… read more here.

Keywords: pm2; 1980 2016; pm2 concentrations; fine particulate ... See more keywords
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Spatio-temporal trends and influencing factors of PM2.5 concentrations in urban agglomerations in China between 2000 and 2016

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Published in 2020 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-020-11357-z

Abstract: An urban agglomeration (UA), similar to a megalopolis or a metropolitan area, is a region where cities and people are concentrated, and where air pollution has adversely impacted on sustainable and high quality development. Studies… read more here.

Keywords: temporal trends; spatio temporal; pm2 concentrations; air pollution ... See more keywords
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Spatiotemporal Variations and Influencing Factors Analysis of PM2.5 Concentrations in Jilin Province, Northeast China

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Published in 2018 at "Chinese Geographical Science"

DOI: 10.1007/s11769-018-0992-0

Abstract: High PM2.5 concentrations and frequent air pollution episodes during late autumn and winter in Jilin Province have attracted attention in recent years. To describe the spatial and temporal variations of PM2.5 concentrations and identify the… read more here.

Keywords: pm2; jilin province; pm2 concentrations; influencing factors ... See more keywords
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Modelling the effect of local and regional emissions on PM2.5 concentrations in Wuhan, China during the COVID-19 lockdown

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Published in 2021 at "Advances in Climate Change Research"

DOI: 10.1016/j.accre.2021.09.013

Abstract: PM2.5 concentrations in Wuhan, China decreased by 36.0% between the period prior to the COVID-19 pandemic (1‒23 January, 2020) and the COVID-lockdown period (24 January to 29 February, 2020). However, decreases in PM2.5 concentration due… read more here.

Keywords: pm2; reduction; meteorology; covid lockdown ... See more keywords
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Discovering relationships and forecasting PM10 and PM2.5 concentrations in Bogotá, Colombia, using Artificial Neural Networks, Principal Component Analysis, and k-means clustering

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Published in 2018 at "Atmospheric Pollution Research"

DOI: 10.1016/j.apr.2018.02.006

Abstract: Abstract Air pollution is an important matter for local authorities in Bogota (Colombia), with PM10 and PM2.5 being the most serious air pollutants in the city. In the present study, data mining algorithms were used… read more here.

Keywords: pm2; pm10 pm2; pollution; means clustering ... See more keywords
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Spatiotemporal variation of PM2.5 concentrations and its relationship to urbanization in the Yangtze river delta region, China

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Published in 2020 at "Atmospheric Pollution Research"

DOI: 10.1016/j.apr.2019.11.021

Abstract: Abstract Having experienced a rapid urbanization and socioeconomic development, China is now facing a serious PM2.5 pollution issue. Based on the PM2.5 concentration data during 2000–2016 in the Yangtze River Delta region, the study analyzed… read more here.

Keywords: pm2; variation; urbanization; pm2 concentrations ... See more keywords
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Estimating PM2.5 concentrations based on non-linear exposure-lag-response associations with aerosol optical depth and meteorological measures

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Published in 2018 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2017.10.055

Abstract: Abstract Background The accurate measurement of particulate matter (PM) provides a crucial basis for health impact assessment and pollution management and control. However, monitoring stations of air pollution are limited worldwide. Recently, some researchers have… read more here.

Keywords: pm2; linear exposure; pm2 concentrations; exposure lag ... See more keywords
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Estimating hourly and continuous ground-level PM2.5 concentrations using an ensemble learning algorithm: The ST-stacking model

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Published in 2020 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2019.117242

Abstract: Abstract Estimation of hourly and continuous ground-level fine particulate matter (PM2.5) concentrations is essential for PM2.5 pollution sources identifications, targeted policy development and population exposure research. However, current PM2.5 estimation studies rely heavily on satellite-based… read more here.

Keywords: pm2; ground level; pm2 concentrations; model ... See more keywords
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The impacts of transported wildfire smoke aerosols on surface air quality in New York State: A multi-year study using machine learning

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Published in 2021 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2021.118513

Abstract: Abstract Smoke aerosols emitted from wildfires can transport across long distances and affect the local air quality in downwind regions. In New York State (NYS), the local air quality has significantly improved due to reductions… read more here.

Keywords: smoke aerosols; smoke cases; smoke; pm2 concentrations ... See more keywords
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High spatiotemporal characterization of on-road PM2.5 concentrations in high-density urban areas using mobile monitoring

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Published in 2018 at "Building and Environment"

DOI: 10.1016/j.buildenv.2018.07.014

Abstract: Abstract Mobile air quality monitoring reports air pollutant concentrations at a high spatiotemporal resolution, enabling the characterization of heterogeneous human exposure and localized pollution hotspots. In this study, on-road concentrations of fine particulate matter (PM2.5)… read more here.

Keywords: pm2 concentrations; road; road pm2; monitoring ... See more keywords