[
  {
    "eccharts_layer": "composition_o3_surface",
    "styles": [
      "sh_all_o3_sfc",
      "sh_YlGnBu_o3_sfc"
    ],
    "match": [
      {
        "levelist": [
          "60"
        ],
        "levtype": "ml",
        "paramId": "210203",
        "shortName": "go3"
      },
      {
        "level": [
          "60"
        ],
        "long_name": "GEMS Ozone"
      }
    ]
  }
]