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Mobility restrictions can have unexpected impacts on air quality


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An international collaborative study led by University of Helsinki has conducted a holistic study to investigate the effects of COVID-19 restrictions on several air quality pollutants for the Po Valley region in northern Italy. The area is well known to have one of the worst air quality standards in Europe and is highly influenced by anthropogenic (human-led) activities. The study was done between research groups in Finland, Italy and Switzerland and the results were published in the journal
Environmental Science: Atmospheres.
Scientists have combined air quality measurements and computer simulation data over several locations in the region. The resulting studies show that reduced emissions from traffic lead to a strong reduction of nitrogen oxides, while have had limited impact on aerosol concentrations, contributing to a better understanding of how the air pollution is formed in the Po Valley. ....

Eteläuomen Läi , Po Valley , Federico Bianchi , University Of Helsinki , Institute For Atmospheric , Earth System Research , Environmental Science , போ பள்ளத்தாக்கு , ஃபெடரீகொ பியாஞ்சி , பல்கலைக்கழகம் ஆஃப் ஹெல்சின்கி , நிறுவனம் க்கு வளிமண்டலம் , பூமி அமைப்பு ஆராய்ச்சி , சுற்றுச்சூழல் அறிவியல் ,