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I am not completely sure if this is the correct place to ask this, but I cannot find any sources confirming the differences between the LAEI 2008 Grid and the British National Grid. How would I convert the LAEI 2008 Grid to longitudes and latitudes?
I am referring to the 2019 emissions summary here:
https://data.london.gov.uk/dataset/london-atmospheric-emissions-inventory--laei--2016
If you mean London Atmospheric Emissions Inventory (LAEI) 2008 Concentration Maps as available from https://data.london.gov.uk/dataset/laei-2008-concentration-maps then yes the data I looked at, for example LAEI08_NO2a, is using British National Grid (EPSG:27700) as the CRS
