[
  {
    "eccharts_layer": "composition_pm2p5",
    "styles": [
      "sh_all_pm2p5_defra_daqi",
      "sh_all_pmx_ncl_precip_11lev",
      "sh_all_pmx_regional"
    ],
    "match": [
      {
        "paramId": "210073",
        "shortName": "pm2p5"
      },
      {
        "long_name": "Particulate matter d < 2.5 um"
      }
    ]
  }
]