The following is a link to the tool he is using in the video. I've adjusted things so that it is displaying CO right before the emission event. Advance the time by 3 hrs to see the difference.

http://earth.nullschool.net/#2016/02/26/0000Z/chem/surface/l...

Does anyone have a good explanation for this?

This article about the same event has a correction that says NASA says the data was anomalous: http://www.dailykos.com/story/2016/2/29/1493107/--There-is-a...