Attributes { NC_GLOBAL { String title "GEOS CF (Composition Forecast)"; String Conventions "COARDS", "GrADS"; String dataType "Grid"; String history "Tue Jul 16 22:03:21 UTC 2024 : imported by GrADS Data Server 2.0"; String extra_das_attribute "This is an example of metadata added using a supplementary DAS file. See testdata/extra.das for the source."; } lon { String grads_dim "x"; String grads_mapping "linear"; String grads_size "1440"; String units "degrees_east"; String long_name "longitude"; Float64 minimum -180.00000000000; Float64 maximum 179.75000000000; Float32 resolution 0.25; } lat { String grads_dim "y"; String grads_mapping "linear"; String grads_size "721"; String units "degrees_north"; String long_name "latitude"; Float64 minimum -90.00000000000; Float64 maximum 90.00000000000; Float32 resolution 0.25; } time { String grads_dim "t"; String grads_mapping "linear"; String grads_size "120"; String grads_min "12:30z25may2022"; String grads_step "60mn"; String units "days since 1-1-1 00:00:0.0"; String long_name "time"; String minimum "12:30z25may2022"; String maximum "11:30z30may2022"; Float32 resolution 0.041666668; } lev { String grads_dim "z"; String grads_mapping "linear"; String units "millibar"; String long_name "altitude"; Float64 minimum 72.00000000000; Float64 maximum 72.00000000000; } no2 { Float32 _FillValue 1.0E15; Float32 missing_value 1.0E15; String long_name "nitrogen dioxide (no2, mw = 46.00 g mol-1) volume mixing ratio dry air "; } pm25_rh35_gcc { Float32 _FillValue 1.0E15; Float32 missing_value 1.0E15; String long_name "particulate_matter_with_diameter_below_2.5_um_rh_35 "; } o3 { Float32 _FillValue 1.0E15; Float32 missing_value 1.0E15; String long_name "ozone (o3, mw = 48.00 g mol-1) volume mixing ratio dry air "; } co { Float32 _FillValue 1.0E15; Float32 missing_value 1.0E15; String long_name "carbon monoxide (co, mw = 28.00 g mol-1) volume mixing ratio dry air "; } so2 { Float32 _FillValue 1.0E15; Float32 missing_value 1.0E15; String long_name "sulfur dioxide (so2, mw = 64.00 g mol-1) volume mixing ratio dry air "; } }