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10.1016/j.envpol.2020.116011 http://scihub22266oqcxt.onion/10.1016/j.envpol.2020.116011 33386205!7677678!33386205     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Environ+Pollut 2021 ; 272 (ä): 116011 Nephropedia Template TP {{tp|p=33386205|t=2021. Changes in air quality during COVID-19 lockdown in the United Kingdom |pdf=|usr=}}{{33386205}} gab.com Text Changes in air quality during COVID-19 lockdown in the United Kingdom JO: Environ Pollut http://www.kidney.de/pget.php?&tw=1&pmid=33386205 #FOAvip The UK implemented a lockdown in Spring (2020) to curtail the person-to-person transmission of the SARS-CoV-2 virus. Measures restricted movements to one outing per day for exercise and shopping, otherwise most people were restricted to their dwelling except for key workers (e.g. medical, supermarkets, and transport). In this study, we quantified changes to air quality across the United Kingdom from 30/03/2020 to 03/05/2020 (weeks 14-18), the period of most stringent travel restrictions. Daily pollutant measurements of NO(2), O(3) and PM(2.5) from the national network of monitoring sites during this period were compared with measurements over the same period during 2017-19. Comparisons were also made with predicted concentrations for the 2020 period from business-as-usual (BAU) modelling, where the contributions of normal anthropogenic activities were estimated under the observed meteorological conditions. During the lockdown study period there was a 69% reduction in traffic overall (74% reduction in light and 35% in heavy vehicles). Measurements from 129 monitoring stations, identified mean reductions in NO(2) of 38.3% (-8.8 mug/m(3)) and PM(2.5) of 16.5% (-2.2 mug/m(3)). Improvements in NO(2) and PM(2.5) were largest at urban traffic sites and more modest at background locations where a large proportion of the population live. In contrast, O(3) concentrations on average increased by 7.6% (+4.8 mug/m(3)) with the largest increases at roadside sites due to reductions in local emissions of NO. A lack of VOC monitoring limited our capacity to interpret changes in O(3) at urban background locations. BAU models predicted comparable NO(2) reductions and O(3) gains, although PM(2.5) episodes would have been more prominent without lockdown. Results demonstrate the relatively modest contribution of traffic to air quality, suggesting that sustained improvements in air quality require actions across various sectors, including working with international and European initiatives on long-range transport air pollutants, especially PM(2.5) and O(3). Twit Text FOAVip Changes in air quality during COVID-19 lockdown in the United Kingdom ????Environ Pollut http://www.kidney.de/pget.php?&tw=1&pmid=33386205 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=33386205 #FOAvip English Wikipedia <ref>{{Cite pmid|33386205}}</ref> Changes in air quality during COVID-19 lockdown in the United Kingdom #MMPMID33386205 Jephcote C; Hansell AL; Adams K; Gulliver J Environ Pollut 2021[Mar]; 272 (ä): 116011 PMID33386205show ga The UK implemented a lockdown in Spring (2020) to curtail the person-to-person transmission of the SARS-CoV-2 virus. Measures restricted movements to one outing per day for exercise and shopping, otherwise most people were restricted to their dwelling except for key workers (e.g. medical, supermarkets, and transport). In this study, we quantified changes to air quality across the United Kingdom from 30/03/2020 to 03/05/2020 (weeks 14-18), the period of most stringent travel restrictions. Daily pollutant measurements of NO(2), O(3) and PM(2.5) from the national network of monitoring sites during this period were compared with measurements over the same period during 2017-19. Comparisons were also made with predicted concentrations for the 2020 period from business-as-usual (BAU) modelling, where the contributions of normal anthropogenic activities were estimated under the observed meteorological conditions. During the lockdown study period there was a 69% reduction in traffic overall (74% reduction in light and 35% in heavy vehicles). Measurements from 129 monitoring stations, identified mean reductions in NO(2) of 38.3% (-8.8 mug/m(3)) and PM(2.5) of 16.5% (-2.2 mug/m(3)). Improvements in NO(2) and PM(2.5) were largest at urban traffic sites and more modest at background locations where a large proportion of the population live. In contrast, O(3) concentrations on average increased by 7.6% (+4.8 mug/m(3)) with the largest increases at roadside sites due to reductions in local emissions of NO. A lack of VOC monitoring limited our capacity to interpret changes in O(3) at urban background locations. BAU models predicted comparable NO(2) reductions and O(3) gains, although PM(2.5) episodes would have been more prominent without lockdown. Results demonstrate the relatively modest contribution of traffic to air quality, suggesting that sustained improvements in air quality require actions across various sectors, including working with international and European initiatives on long-range transport air pollutants, especially PM(2.5) and O(3). |*Air Pollutants/analysis[MESH] |*Air Pollution/analysis[MESH] |*COVID-19[MESH] |Communicable Disease Control[MESH] |Environmental Monitoring[MESH] |Humans[MESH] |Particulate Matter/analysis[MESH] |SARS-CoV-2[MESH]Changes in air quality during COVID-19 lockdown in the United Kingdo(epmc).pdf DeepDyve Pubget Overpricing