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10.1136/oemed-2020-106659 http://scihub22266oqcxt.onion/10.1136/oemed-2020-106659 32895319!ä!32895319 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 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 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 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Occup+Environ+Med 2020 ; 77 (11): 798-800 Nephropedia Template TP {{tp|p=32895319|t=2020. Changes in outdoor air pollution due to COVID-19 lockdowns differ by pollutant: evidence from Scotland |pdf=|usr=}}{{32895319}} gab.com Text Changes in outdoor air pollution due to COVID-19 lockdowns differ by pollutant: evidence from Scotland JO: Occup Environ Med http://www.kidney.de/pget.php?&tw=1&pmid=32895319 #FOAvip OBJECTIVES: To examine the impact of COVID-19 lockdown restrictions in March/April 2020 on concentrations of nitrogen dioxide (NO(2)) and ambient fine particulate matter (PM(2.5)) air pollution measured at roadside monitors across Scotland by comparing data with previous years. METHODS: Publicly available data of PM(2.5) concentrations from reference monitoring systems at sites across Scotland were extracted for the 31-day period immediately following the imposition of lockdown rules on 23 March 2020. Similar data for 2017, 2018 and 2019 were gathered for comparison. Mean period values were calculated from the hourly data and logged values compared using pairwise t-tests. Weather effects were corrected using meteorological normalisation. RESULTS: NO(2) concentrations were significantly lower in the 2020 lockdown period than in the previous 3 years (p<0.001). Mean outdoor PM(2.5) concentrations in 2020 were much lower than during the same period in 2019 (p<0.001). However, despite UK motor vehicle journeys reducing by 65%, concentrations in 2020 were within 1 microg/m(3) of those measured in 2017 (p=0.66) and 2018 (p<0.001), suggesting that traffic-related emissions may not explain variability of PM(2.5) in outdoor air in Scotland. CONCLUSIONS: The impact of reductions in motor vehicle journeys during COVID-19 lockdown restrictions may not have reduced ambient PM(2.5) concentrations in some countries. There is also a need for work to better understand how movement restrictions may have impacted personal exposure to air pollutants generated within indoor environments. Twit Text FOAVip Changes in outdoor air pollution due to COVID-19 lockdowns differ by pollutant: evidence from Scotland ????Occup Environ Med http://www.kidney.de/pget.php?&tw=1&pmid=32895319 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=32895319 #FOAvip English Wikipedia <ref>{{Cite pmid|32895319}}</ref> Changes in outdoor air pollution due to COVID-19 lockdowns differ by pollutant: evidence from Scotland #MMPMID32895319 Dobson R; Semple S Occup Environ Med 2020[Nov]; 77 (11): 798-800 PMID32895319show ga OBJECTIVES: To examine the impact of COVID-19 lockdown restrictions in March/April 2020 on concentrations of nitrogen dioxide (NO(2)) and ambient fine particulate matter (PM(2.5)) air pollution measured at roadside monitors across Scotland by comparing data with previous years. METHODS: Publicly available data of PM(2.5) concentrations from reference monitoring systems at sites across Scotland were extracted for the 31-day period immediately following the imposition of lockdown rules on 23 March 2020. Similar data for 2017, 2018 and 2019 were gathered for comparison. Mean period values were calculated from the hourly data and logged values compared using pairwise t-tests. Weather effects were corrected using meteorological normalisation. RESULTS: NO(2) concentrations were significantly lower in the 2020 lockdown period than in the previous 3 years (p<0.001). Mean outdoor PM(2.5) concentrations in 2020 were much lower than during the same period in 2019 (p<0.001). However, despite UK motor vehicle journeys reducing by 65%, concentrations in 2020 were within 1 microg/m(3) of those measured in 2017 (p=0.66) and 2018 (p<0.001), suggesting that traffic-related emissions may not explain variability of PM(2.5) in outdoor air in Scotland. CONCLUSIONS: The impact of reductions in motor vehicle journeys during COVID-19 lockdown restrictions may not have reduced ambient PM(2.5) concentrations in some countries. There is also a need for work to better understand how movement restrictions may have impacted personal exposure to air pollutants generated within indoor environments. |*Quarantine[MESH] |Air Pollutants/analysis[MESH] |Air Pollution/*analysis[MESH] |COVID-19[MESH] |Coronavirus Infections/epidemiology/*prevention & control[MESH] |Environmental Monitoring/methods[MESH] |Humans[MESH] |Nitrogen Dioxide/*analysis[MESH] |Pandemics/*prevention & control[MESH] |Particulate Matter/*analysis[MESH] |Pneumonia, Viral/epidemiology/*prevention & control[MESH] |Scotland[MESH] |Travel/legislation & jurisprudence[MESH]Changes in outdoor air pollution due to COVID-19 lockdowns differ by p(epmc).pdf DeepDyve Pubget Overpricing