schema.json Este schema me genero este sitio, @ruycer

gistfile1.json

{
  "type":"object",
	"$schema": "http://json-schema.org/draft-03/schema",
	"id": "http://jsonschema.net",
	"required":false,
	"properties":{
		"pollutionMeasurements": {
			"type":"object",
			"id": "http://jsonschema.net/pollutionMeasurements",
			"required":true,
			"properties":{
				"URL": {
					"type":"string",
					"id": "http://jsonschema.net/pollutionMeasurements/URL",
					"required":false
				},
				"cityCode": {
					"type":"string",
					"id": "http://jsonschema.net/pollutionMeasurements/cityCode",
					"required":false
				},
				"city": {
					"type":"string",
					"id": "http://jsonschema.net/pollutionMeasurements/city",
					"required":false
				},
				"country": {
					"type":"string",
					"id": "http://jsonschema.net/pollutionMeasurements/country",
					"required":false
				},
				"mesurementAgency": {
					"type":"string",
					"id": "http://jsonschema.net/pollutionMeasurements/mesurementAgency",
					"required":false
				},
				"stations": {
					"type":"array",
					"id": "http://jsonschema.net/pollutionMeasurements/stations",
					"required":false,
					"items":
						{
							"type":"object",
							"id": "http://jsonschema.net/pollutionMeasurements/stations/0",
							"required":false,
							"properties":{
								"humidity": {
									"type":"number",
									"id": "http://jsonschema.net/pollutionMeasurements/stations/0/humidity",
									"required":false
								},
								"imecaPoints": {
									"type":"number",
									"id": "http://jsonschema.net/pollutionMeasurements/stations/0/imecaPoints",
									"required":false
								},
								"location": {
									"type":"string",
									"id": "http://jsonschema.net/pollutionMeasurements/stations/0/location",
									"required":false
								},
								"name": {
									"type":"string",
									"id": "http://jsonschema.net/pollutionMeasurements/stations/0/name",
									"required":false
								},
								"pollutant": {
									"type":"string",
									"id": "http://jsonschema.net/pollutionMeasurements/stations/0/pollutant",
									"required":false
								},
								"shortName": {
									"type":"string",
									"id": "http://jsonschema.net/pollutionMeasurements/stations/0/shortName",
									"required":false
								},
								"temperature": {
									"type":"number",
									"id": "http://jsonschema.net/pollutionMeasurements/stations/0/temperature",
									"required":false
								},
								"windDirection": {
									"type":"number",
									"id": "http://jsonschema.net/pollutionMeasurements/stations/0/windDirection",
									"required":false
								},
								"windSpeed": {
									"type":"number",
									"id": "http://jsonschema.net/pollutionMeasurements/stations/0/windSpeed",
									"required":false
								}
							}
						}
					

				},
				"timeStamp": {
					"type":"string",
					"id": "http://jsonschema.net/pollutionMeasurements/timeStamp",
					"required":false
				}
			}
		}
	}
}