Surface NO2

Annual mean ground-level NO2 mixing ratio for 1996-2012 inferred from the GOME, SCIAMACHY, and GOME-2 satellite instruments.

References:

Geddes, J. A., R.V. Martin, B. L. Boys, and A. van Donkelaar, Long-term trends worldwide in ambient NO2 concentrations inferred from satellite observations for exposure assessment, Environ. Health Perspec., DOI:10.1289/ehp.1409567, 2015 [Link]

Available Datasets (Mean NO2 Product v.1.00):

3-Yr Running Mean NO2 Product v.1.00: Annual ground-level NO2 mixing ratio ~9:30-11:30 overpass time, in [ascii] and [hdf] format.

Annual ground-level NO2 mixing ratio ~9:30-11:30 overpass time, in [hdf] format.


Surface NO2 (OMI, 2005-2007)

Annual mean ground-level NO2 mixing ratio at OMI overpass time (~1:30 PM) for 2005-2007 inferred from the OMI satellite instrument.

References:
Lamsal, L.N., R.V. Martin, A. van Donkelaar, E.A. Celarier, R.K. Boersma, R. Dirksen, C. Luo, and Y. Wang, 2010. Indirect validation of tropospheric nitrogen dioxide retrieved from the OMI satellite instrument: Insight into the seasonal variation of nitrogen oxides at northern midlatitudes, J. Geophys. Res., 115, D05302, doi:10.1029/2009JD013351 [Full Text (PDF)]

Lamsal, L.N., R.V. Martin, A. van Donkelaar, M. Steinbacher, E.A. Celarier, E. Bucsela, E.J. Dunlea, and J.P. Pinto, Ground-level nitrogen dioxide concentrations inferred from the satellite-borne Ozone Monitoring Instrument (OMI), J. Geophys. Res., 113, D16308, doi:10.1029/2007JD009235, 2008. [Full Text (pdf)]

Available Datasets (SP_GC product_v1.00):

Annual (and long-term) mean (2005-2011) ground-level NO2 mixing ratio at OMI overpass time (~1:30 PM) for North America, in [ascii] and [hdf] format

Available Datasets (SP_GC product_v1.01):

Annual (and long-term) mean (2005-2011) ground-level NO2 mixing ratio at OMI overpass time (~1:30 PM) for North America, in [ascii] and [hdf] format
Instructions are in the README file [download README]

Available Datasets (DP_GC product):

Annual mean ground-level NO2 mixing ratio at OMI overpass time (~1:30 PM) for North America, 2005-2007 [.dat]

Annual Global Mean mean ground-level NO2 mixing ratio at OMI overpass time (~1:30 PM), 2005-2007 [.hdf]

Format:

North America Annual mean data are provided in an ASCII file. The first row/column indicate longitude/latitude centres, respectively. Missing values or water are denoted by -999. Global annual mean data is provided in HDF format.