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  1. I am trying to locate OMI/Aura NO2 column satellite data. I have located the
    following webpage:

    However, when I click on a year, there appears to be no indication of the
    geographic region of the various files. For instance, I am seeking NO2 data for
    a region of China (tile: h27v05) for two specific date ranges in 2016 and 2017.
    Can you please help me find this data?
    Thank you,
  2. From Mary Greene, NASA GES DISC:

    The OMI Level-2 data are provided in swaths and are time-ordered in coverage of the Earth.  
    The data are geo-referenced in latitude and longitude, but not archived explicitly by geo-reference.
    The dataset landing page for this product
    lists sub-setting service options for data access.
    You can use the Subset Wizard or EarthData search!4!!&q=omno2&ok=omno2.



  3. Hey that's really amazing. One of our member from the ios app development companies in india was searching this stuff. We are glad that we found out here. Happy to be in this Forum.