• Analysed station:
SB-2 (latitude: 45.80 , longitude: 24.18 , altitude: 402.00)

  • Nitrogen Dioxide (NO2) Analysis:

At the beginning of 2020, NO2 levels were greater than the ones registered in 2019. As the pandemic progressed, Romania entered an emergency state(March 16-May 14) and the NO2 levels dropped most of the time under the previous year’s values. After the lifting of the emergency state, NO2 values rose back up to the 2019 levels and even over them. From November 16 to December 14, the station registered a new period of low NO2 emissions, as important regions of Sibiu County entered a quarantine.

  • Carbon Monoxide (CO) Analysis:

In the beginning of January, the SB-2 station recorded higher levels of CO than in 2019. In the months preceding the quarantine levels between the two years remained relatively the same. As the quarantine started major differences appeared in the values, the 2020 ones remaining substantially lower.

  • Sulfur Dioxide (SO2) Analysis:

From the start of the year, the 2020 SO2 levels remained lower than the 2019 ones, although not by much. The values remained constant through most of the year, an exception being the beginning of November when values dropped even lower in 2020 than the values recorded in 2019.

  • Conclusion:

As the station data reveal, there is a difference in the values of emissions between the two years, the 2020 values being lower. Also, there is no doubt that the pandemic, through lockdowns, quarantines and states of emergency, has had an important impact on the results we see. Therefore, we see a positive impact in the level of emissions in Sibiu, the capital of the county, where air pollution is an important issue.