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10.1126/sciadv.abg7670 http://scihub22266oqcxt.onion/10.1126/sciadv.abg7670 34162552!8221629!34162552     free     free     free Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Sci+Adv 2021 ; 7 (26): ä Nephropedia Template TP {{tp|p=34162552|t=2021. Effects of COVID-19 lockdowns on fine particulate matter concentrations |pdf=|usr=}}{{34162552}} gab.com Text Effects of COVID-19 lockdowns on fine particulate matter concentrations JO: Sci Adv http://www.kidney.de/pget.php?&tw=1&pmid=34162552 #FOAvip Lockdowns during the COVID-19 pandemic provide an unprecedented opportunity to examine the effects of human activity on air quality. The effects on fine particulate matter (PM(2.5)) are of particular interest, as PM(2.5) is the leading environmental risk factor for mortality globally. We map global PM(2.5) concentrations for January to April 2020 with a focus on China, Europe, and North America using a combination of satellite data, simulation, and ground-based observations. We examine PM(2.5) concentrations during lockdown periods in 2020 compared to the same periods in 2018 to 2019. We find changes in population-weighted mean PM(2.5) concentrations during the lockdowns of -11 to -15 mug/m(3) across China, +1 to -2 mug/m(3) across Europe, and 0 to -2 mug/m(3) across North America. We explain these changes through a combination of meteorology and emission reductions, mostly due to transportation. This work demonstrates regional differences in the sensitivity of PM(2.5) to emission sources. Twit Text FOAVip Effects of COVID-19 lockdowns on fine particulate matter concentrations ????Sci Adv http://www.kidney.de/pget.php?&tw=1&pmid=34162552 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=34162552 #FOAvip English Wikipedia <ref>{{Cite pmid|34162552}}</ref> Effects of COVID-19 lockdowns on fine particulate matter concentrations #MMPMID34162552 Hammer MS; van Donkelaar A; Martin RV; McDuffie EE; Lyapustin A; Sayer AM; Hsu NC; Levy RC; Garay MJ; Kalashnikova OV; Kahn RA Sci Adv 2021[Jun]; 7 (26): ä PMID34162552show ga Lockdowns during the COVID-19 pandemic provide an unprecedented opportunity to examine the effects of human activity on air quality. The effects on fine particulate matter (PM(2.5)) are of particular interest, as PM(2.5) is the leading environmental risk factor for mortality globally. We map global PM(2.5) concentrations for January to April 2020 with a focus on China, Europe, and North America using a combination of satellite data, simulation, and ground-based observations. We examine PM(2.5) concentrations during lockdown periods in 2020 compared to the same periods in 2018 to 2019. We find changes in population-weighted mean PM(2.5) concentrations during the lockdowns of -11 to -15 mug/m(3) across China, +1 to -2 mug/m(3) across Europe, and 0 to -2 mug/m(3) across North America. We explain these changes through a combination of meteorology and emission reductions, mostly due to transportation. This work demonstrates regional differences in the sensitivity of PM(2.5) to emission sources. äEffects of COVID-19 lockdowns on fine particulate matter concentration(epmc).pdf DeepDyve Pubget Overpricing