Attributes {
    NC_GLOBAL {
        String title "3d,3-Hourly,Instantaneous,Pressure-Level,Forecast,Aerosol Concentrations";
        String Conventions "COARDS", "GrADS";
        String dataType "Grid";
        String history "Mon Apr 27 21:30:47 GMT 2026 : 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 "1152";
        String units "degrees_east";
        String long_name "longitude";
        Float64 minimum -180.00000000000;
        Float64 maximum 179.68750000000;
        Float32 resolution 0.3125;
    }
    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 "41";
        String grads_min "12z27apr2026";
        String grads_step "180mn";
        String units "days since 1-1-1 00:00:0.0";
        String long_name "time";
        String minimum "12z27apr2026";
        String maximum "12z02may2026";
        Float32 resolution 0.125;
    }
    lev {
        String grads_dim "z";
        String grads_mapping "levels";
        String units "millibar";
        String long_name "altitude";
        Float64 minimum 1000.00000000000;
        Float64 maximum 10.00000000000;
        Float32 resolution 39.6;
    }
    so4 {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "sulphate aerosol ";
    }
    ss {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "sea salt mass mixing ratio ";
    }
    bc {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "bc aerosol mass mixing ratio ";
    }
    oc {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "oc aerosol mass mixing ratio ";
    }
    ni {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "nitrate mass mixing ratio ";
    }
    ps {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "surface_pressure ";
    }
    du {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "dust mass mixing ratio ";
    }
    so2 {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "sulphur dioxide ";
    }
    br {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "br aerosol mass mixing ratio ";
    }
    lwi {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "land(1)_water(0)_ice(2)_flag ";
    }
}