vega-lite to visualize real-time data from api.data.gov.sg

vega-lite-realtime.json

{
  "$schema": "https://vega.github.io/schema/vega-lite/v4.json",
   "width": 500,
  "height": 300,
   "data": {
      "url": "https://api.data.gov.sg/v1/environment/2-hour-weather-forecast",
       "format": { "type": "json","property": "area_metadata"}
     },
     "projection": {
        "type": "equalEarth"
     },
   "mark": "circle",
   "encoding": {
    "longitude": {
      "field": "label_location.longitude",
      "type": "quantitative"
    },
    "latitude": {
      "field": "label_location.latitude",
      "type": "quantitative"
    },
    "size": {"value": 10}
  },
  "config": {
    "view": {
      "stroke": "transparent"
    }
  }
}