Regional Tropospheric NO2 columns from OMI

NO2 observation for:

Region:

Year:

Month:

Day:

Access the archive of regional Tropospheric NO2 columns based on OMI
measurements by selecting a region and a date in the menu on the left.
The location of the available regions is shown in the figure below.
If you click on either of these regions, you get the image for that region
of the last available date.
Data is available for the dates 01 January 2006 to 29 February 2012.