How about the whole China? I guess many cities have lower NO2 levels because of #coronavirus 
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Ah, it could be also related to new year celebrations
#goodtoknow - Još 1 odgovor
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Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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That´s an interesting comparison. Thanks.
Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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You should make the comparison to Feb 6-9, 2019. It's normal for cities to quiet down and industries to close during the new year holiday.
Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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Cool observation. People are not allowed to drive, so it explains a lot.
Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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Čini se da učitavanje traje već neko vrijeme.
Twitter je možda preopterećen ili ima kratkotrajnih poteškoća u radu. Pokušajte ponovno ili potražite dodatne informacije u odjeljku Status Twittera.
city with 11 mio inhabitants, has been under quarantine since 23 Jan.
Since that date, there is less traffic which means less NO2 emissions.
The quarantine shows its effect, the nitrogen dioxide level is at its lowest level since a year.