Articles | Volume 9, issue 10
https://doi.org/10.5194/amt-9-5203-2016
https://doi.org/10.5194/amt-9-5203-2016
Research article
 | 
24 Oct 2016
Research article |  | 24 Oct 2016

Comparison of OMI NO2 observations and their seasonal and weekly cycles with ground-based measurements in Helsinki

Iolanda Ialongo, Jay Herman, Nick Krotkov, Lok Lamsal, K. Folkert Boersma, Jari Hovila, and Johanna Tamminen

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Short summary
We present the comparison between satellite- and ground-based atmospheric NO2 observations in Helsinki (Finland). The results show that, despite some limitations due to cloud contamination and low solar angles, satellite data are able to describe urban air quality features such as the weekly and seasonal cycles. The results support air quality satellite data exploitation at high latitudes and prepare for similar applications for future missions.