Coronavirus lockdown causes big drop in air pollution ... The worldwide shutdown caused by the coronavirus outbreak has led to big drops in ... in the air normally result in NO2 and small particles reducing ozone levels.
I think yes of course, because many of industrial activities was almost decrease their activities or closed. Maybe this is the one benefits from this dangerous virus.
NO! Many people avoid public transport because of the higher risk to get the contamination of the virus. Therefore, if they can afford it they use their private car with the obvious consequences in large cities. Furthermore the lower price in gasoline encourage them to use private facilities.
The level of pollution has dropped significantly and this has had an impact on the health of patients with respiratory diseases such as asthma. The number of hospital admissions of patients with asthma has dropped substantially since the start of the Covid-19 pandemic.
It depends on where you are. In America the level of pollution has dropped. In Europe and East Asia, however, ozone pollution may occur after lockdown.
Article Global air quality change during the COVID-19 pandemic: Regi...
Definitely yes. Indeed, lockdown situations result in reduced human activity, leading to decreased air pollution levels. You can read my paper to get more information about your question.
Link to the article: https://www.sciencedirect.com/science/article/pii/S0048969720357557
Among all pollutants, the highest average reduction was in SO2 (i.e., ~ 43%) followed by NO2 and CO during the lockdown period. On the contrary, an average increase of ~ 3% was observed for O3, which we believe was due to the significant reduction in NO2 concentration during the lockdown period.
Article Impacts of nationwide lockdown due to COVID-19 outbreak on a...