Attributes {
    NC_GLOBAL {
        String title "GEOS CF (Composition Forecast)";
        String Conventions "COARDS", "GrADS";
        String dataType "Grid";
        String history "Fri Apr 19 03:16:06 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 "37669";
        String grads_min "00z01jan2020";
        String grads_step "60mn";
        String units "days since 1-1-1 00:00:0.0";
        String long_name "time";
        String minimum "00z01jan2020";
        String maximum "12z18apr2024";
        Float32 resolution 0.041666668;
    }
    lev {
        String grads_dim "z";
        String grads_mapping "levels";
        String units "millibar";
        String long_name "altitude";
        Float64 minimum 1.00000000000;
        Float64 maximum 72.00000000000;
        Float32 resolution 1.0;
    }
    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 ";
    }
    no {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "nitrogen oxide (no, mw = 30.00 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 ";
    }
    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 ";
    }
    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 ";
    }
    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 ";
    }
    io {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "iodine monoxide (io, mw = 143.00 g mol-1) volume mixing ratio dry air ";
    }
    bro {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "bromine monoxide (bro, mw = 96.00 g mol-1) volume mixing ratio dry air ";
    }
    hcho {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "formaldehyde (ch2o, mw = 30.00 g mol-1) volume mixing ratio dry air ";
    }
    ch4 {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "methane (ch4, mw = 16.00 g mol-1) volume mixing ratio dry air ";
    }
}