Airly2MQTT

README.md

Simple flow to get air quality measurements into MQTT broker. Includes current PM2.5 and PM10 values with limits percentage and extened CAQI air quality index. Based on data provided by Airly.eu public API. Please see map for available air quality stations.

Attention: before importing this flow please add node-red-contrib-credentials module to your Node-RED pallete first!

Update: Airly has lately limited it's free public API to 100 calls per day. That's 1 call every ~15 minutes but we also do nearest station API call every hour. So I changed the interval to 20 minutes now and the flow fits the current limit perfectly (96 calls per day in total).

flow.json

[ 
   { 
      "id":"270210d8.03352",
      "type":"http request",
      "z":"1c429eb9.f7ea21",
      "name":"Get measurements",
      "method":"GET",
      "ret":"obj",
      "paytoqs":false,
      "url":"https://airapi.airly.eu/v2/measurements/installation?installationId={{installationId}}",
      "tls":"",
      "proxy":"",
      "authType":"",
      "x":610,
      "y":460,
      "wires":[ 
         [ 
            "7fe14370.ea286c",
            "569b13fc.2d5bcc",
            "d56f9845.8f0038",
            "57962394.99249c",
            "4b01a992.9fc618",
            "cd5469a3.ba8788"
         ]
      ]
   },
   { 
      "id":"7fe14370.ea286c",
      "type":"function",
      "z":"1c429eb9.f7ea21",
      "name":"AIRLY CAQI value",
      "func":"return { payload: msg.payload.current.indexes[0].value };",
      "outputs":1,
      "noerr":0,
      "x":890,
      "y":580,
      "wires":[ 
         [ 
            "eab61933.a596b8"
         ]
      ]
   },
   { 
      "id":"a1c7aa6.f3ee558",
      "type":"http request",
      "z":"1c429eb9.f7ea21",
      "name":"Get nearest station",
      "method":"GET",
      "ret":"obj",
      "paytoqs":false,
      "url":"https://airapi.airly.eu/v2/installations/nearest?lat={{lat}}&lng={{lng}}&maxDistanceKM={{maxDistanceKM}}",
      "tls":"",
      "proxy":"",
      "authType":"",
      "x":330,
      "y":600,
      "wires":[ 
         [ 
            "9da00eaa.4cfe",
            "871ebf1b.9b3f"
         ]
      ]
   },
   { 
      "id":"a146c7a9.d64238",
      "type":"function",
      "z":"1c429eb9.f7ea21",
      "name":"Set params",
      "func":"msg.lat = flow.get(\"latitude\");\nmsg.lng = flow.get(\"longitude\");\nmsg.maxDistanceKM = flow.get(\"maxDistanceKM\");\nmsg.headers = {};\nmsg.headers['Accept'] = 'application/json';\nmsg.headers['apikey'] = flow.get(\"apikey\");\nreturn msg;",
      "outputs":1,
      "noerr":0,
      "x":190,
      "y":540,
      "wires":[ 
         [ 
            "a1c7aa6.f3ee558"
         ]
      ]
   },
   { 
      "id":"569b13fc.2d5bcc",
      "type":"function",
      "z":"1c429eb9.f7ea21",
      "name":"AIRLY CAQI level",
      "func":"return { payload: msg.payload.current.indexes[0].level };",
      "outputs":1,
      "noerr":0,
      "x":890,
      "y":640,
      "wires":[ 
         [ 
            "e0398db0.f1d2a"
         ]
      ]
   },
   { 
      "id":"d56f9845.8f0038",
      "type":"function",
      "z":"1c429eb9.f7ea21",
      "name":"PM2.5 value",
      "func":"return { payload: msg.payload.current.values[1].value };",
      "outputs":1,
      "noerr":0,
      "x":870,
      "y":300,
      "wires":[ 
         [ 
            "bb4e6243.5d7be"
         ]
      ]
   },
   { 
      "id":"4b01a992.9fc618",
      "type":"function",
      "z":"1c429eb9.f7ea21",
      "name":"PM10 value",
      "func":"return { payload: msg.payload.current.values[2].value };",
      "outputs":1,
      "noerr":0,
      "x":870,
      "y":420,
      "wires":[ 
         [ 
            "a1988859.7637a8"
         ]
      ]
   },
   { 
      "id":"57962394.99249c",
      "type":"function",
      "z":"1c429eb9.f7ea21",
      "name":"PM2.5 limit-percent",
      "func":"return { payload: msg.payload.current.standards[0].percent };",
      "outputs":1,
      "noerr":0,
      "x":890,
      "y":360,
      "wires":[ 
         [ 
            "365d4481.588b3c"
         ]
      ]
   },
   { 
      "id":"cd5469a3.ba8788",
      "type":"function",
      "z":"1c429eb9.f7ea21",
      "name":"PM10 limit-percent",
      "func":"return { payload: msg.payload.current.standards[1].percent };",
      "outputs":1,
      "noerr":0,
      "x":890,
      "y":480,
      "wires":[ 
         [ 
            "d2e68e8a.732ca"
         ]
      ]
   },
   { 
      "id":"bb4e6243.5d7be",
      "type":"mqtt out",
      "z":"1c429eb9.f7ea21",
      "name":"node-red/Airly/PM25/value",
      "topic":"node-red/Airly/PM25/value",
      "qos":"0",
      "retain":"true",
      "broker":"a1b0e25b.130ed",
      "x":1180,
      "y":300,
      "wires":[ 

      ]
   },
   { 
      "id":"365d4481.588b3c",
      "type":"mqtt out",
      "z":"1c429eb9.f7ea21",
      "name":"node-red/Airly/PM25/limit-percent",
      "topic":"node-red/Airly/PM25/limit-percent",
      "qos":"0",
      "retain":"true",
      "broker":"a1b0e25b.130ed",
      "x":1160,
      "y":360,
      "wires":[ 

      ]
   },
   { 
      "id":"a1988859.7637a8",
      "type":"mqtt out",
      "z":"1c429eb9.f7ea21",
      "name":"node-red/Airly/PM10/value",
      "topic":"node-red/Airly/PM10/value",
      "qos":"0",
      "retain":"true",
      "broker":"a1b0e25b.130ed",
      "x":1180,
      "y":420,
      "wires":[ 

      ]
   },
   { 
      "id":"d2e68e8a.732ca",
      "type":"mqtt out",
      "z":"1c429eb9.f7ea21",
      "name":"node-red/Airly/PM10/limit-percent",
      "topic":"node-red/Airly/PM10/limit-percent",
      "qos":"0",
      "retain":"true",
      "broker":"a1b0e25b.130ed",
      "x":1160,
      "y":480,
      "wires":[ 

      ]
   },
   { 
      "id":"eab61933.a596b8",
      "type":"mqtt out",
      "z":"1c429eb9.f7ea21",
      "name":"node-red/Airly/CAQI/value",
      "topic":"node-red/Airly/CAQI/value",
      "qos":"0",
      "retain":"true",
      "broker":"a1b0e25b.130ed",
      "x":1190,
      "y":580,
      "wires":[ 

      ]
   },
   { 
      "id":"e0398db0.f1d2a",
      "type":"mqtt out",
      "z":"1c429eb9.f7ea21",
      "name":"node-red/Airly/CAQI/level",
      "topic":"node-red/Airly/CAQI/level",
      "qos":"0",
      "retain":"true",
      "broker":"a1b0e25b.130ed",
      "x":1190,
      "y":640,
      "wires":[ 

      ]
   },
   { 
      "id":"871ebf1b.9b3f",
      "type":"change",
      "z":"1c429eb9.f7ea21",
      "name":"Remember station",
      "rules":[ 
         { 
            "t":"set",
            "p":"installationId",
            "pt":"flow",
            "to":"msg.payload[0].id",
            "tot":"msg"
         }
      ],
      "action":"",
      "property":"",
      "from":"",
      "to":"",
      "reg":false,
      "x":570,
      "y":600,
      "wires":[ 
         [ 
            "73460a46.373094"
         ]
      ]
   },
   { 
      "id":"5285b86b.f2ed28",
      "type":"switch",
      "z":"1c429eb9.f7ea21",
      "name":"Station selected?",
      "property":"installationId",
      "propertyType":"flow",
      "rules":[ 
         { 
            "t":"regex",
            "v":"\\d",
            "vt":"str",
            "case":false
         },
         { 
            "t":"else"
         }
      ],
      "checkall":"false",
      "repair":false,
      "outputs":2,
      "x":210,
      "y":440,
      "wires":[ 
         [ 
            "73460a46.373094"
         ],
         [ 
            "a146c7a9.d64238"
         ]
      ],
      "outputLabels":[ 
         "Yes",
         "No"
      ]
   },
   { 
      "id":"632fa76e.0665d8",
      "type":"inject",
      "z":"1c429eb9.f7ea21",
      "name":"Pool every 20m",
      "topic":"",
      "payload":"",
      "payloadType":"date",
      "repeat":"1200",
      "crontab":"",
      "once":true,
      "onceDelay":0.1,
      "x":210,
      "y":320,
      "wires":[ 
         [ 
            "566326a.93050d8",
            "5285b86b.f2ed28",
            "83c3ace3.ba29d"
         ]
      ]
   },
   { 
      "id":"566326a.93050d8",
      "type":"credentials",
      "z":"1c429eb9.f7ea21",
      "name":"Airly API key",
      "props":[ 
         { 
            "value":"apikey",
            "type":"flow"
         }
      ],
      "x":550,
      "y":200,
      "wires":[ 
         [ 

         ]
      ]
   },
   { 
      "id":"cc331755.292fc8",
      "type":"change",
      "z":"1c429eb9.f7ea21",
      "name":"Forget station",
      "rules":[ 
         { 
            "t":"delete",
            "p":"installationId",
            "pt":"flow"
         }
      ],
      "action":"",
      "property":"",
      "from":"",
      "to":"",
      "reg":false,
      "x":560,
      "y":680,
      "wires":[ 
         [ 

         ]
      ]
   },
   { 
      "id":"9da00eaa.4cfe",
      "type":"delay",
      "z":"1c429eb9.f7ea21",
      "name":"After 1h",
      "pauseType":"delay",
      "timeout":"1",
      "timeoutUnits":"hours",
      "rate":"1",
      "nbRateUnits":"1",
      "rateUnits":"second",
      "randomFirst":"1",
      "randomLast":"5",
      "randomUnits":"seconds",
      "drop":false,
      "x":360,
      "y":680,
      "wires":[ 
         [ 
            "cc331755.292fc8"
         ]
      ]
   },
   { 
      "id":"73460a46.373094",
      "type":"function",
      "z":"1c429eb9.f7ea21",
      "name":"Set params",
      "func":"msg.installationId = flow.get(\"installationId\");\nmsg.headers = {};\nmsg.headers['Accept'] = 'application/json';\nmsg.headers['apikey'] = flow.get(\"apikey\");\nreturn msg;",
      "outputs":1,
      "noerr":0,
      "x":470,
      "y":400,
      "wires":[ 
         [ 
            "270210d8.03352"
         ]
      ]
   },
   { 
      "id":"d3caa67a.85e148",
      "type":"comment",
      "z":"1c429eb9.f7ea21",
      "name":"<-- Put your GPS location here",
      "info":"",
      "x":770,
      "y":160,
      "wires":[ 

      ]
   },
   { 
      "id":"ebfbb643.43c538",
      "type":"comment",
      "z":"1c429eb9.f7ea21",
      "name":"<-- Put your Airly API key here (package -contrib-credentials required)",
      "info":"",
      "x":890,
      "y":200,
      "wires":[ 

      ]
   },
   { 
      "id":"83c3ace3.ba29d",
      "type":"change",
      "z":"1c429eb9.f7ea21",
      "name":"Configuration",
      "rules":[ 
         { 
            "t":"set",
            "p":"latitude",
            "pt":"flow",
            "to":"52.180000",
            "tot":"str"
         },
         { 
            "t":"set",
            "p":"longitude",
            "pt":"flow",
            "to":"21.02000",
            "tot":"str"
         },
         { 
            "t":"set",
            "p":"maxDistanceKM",
            "pt":"flow",
            "to":"25",
            "tot":"str"
         }
      ],
      "action":"",
      "property":"",
      "from":"",
      "to":"",
      "reg":false,
      "x":550,
      "y":160,
      "wires":[ 
         [ 

         ]
      ],
      "icon":"node-red/cog.png"
   },
   { 
      "id":"a1b0e25b.130ed",
      "type":"mqtt-broker",
      "z":"",
      "name":"MQTT broker",
      "broker":"192.168.1.2",
      "port":"1883",
      "clientid":"",
      "usetls":false,
      "compatmode":true,
      "keepalive":"60",
      "cleansession":true,
      "birthTopic":"",
      "birthQos":"0",
      "birthPayload":"",
      "closeTopic":"",
      "closeQos":"0",
      "closePayload":"",
      "willTopic":"",
      "willQos":"0",
      "willPayload":""
   }
]

Great work, @tnowak!

I have added a couple of more info that are available from Airly + added a header to fetch strings in polish locale.

[{"id":"831a23e4.73668","type":"tab","label":"Airly","disabled":false,"info":""},{"id":"a3405745.2b3668","type":"http request","z":"831a23e4.73668","name":"Get measurements","method":"GET","ret":"obj","url":"https://airapi.airly.eu/v2/measurements/installation?installationId={{installationId}}","tls":"","x":510,"y":368,"wires":[["3a6c660f.5eb17a","e7f2fb4f.08d4e8","4d95ccd8.ccc954","127c8530.42e74b","c843bac4.816d28","39b397c7.dfd6c8","67c0407f.0dd34","4f81f43d.99a00c","6a41a5e.c4d035c","e7a00534.3854c8","423fb44d.ed5dec","e4ad28e9.6ecb38"]]},{"id":"3a6c660f.5eb17a","type":"function","z":"831a23e4.73668","name":"AIRLY CAQI value","func":"return { payload: msg.payload.current.indexes[0].value };","outputs":1,"noerr":0,"x":782,"y":606,"wires":[["4e1c6e09.ff18a"]]},{"id":"86e0b040.12bb2","type":"http request","z":"831a23e4.73668","name":"Get nearest station","method":"GET","ret":"obj","url":"https://airapi.airly.eu/v2/installations/nearest?lat={{lat}}&lng={{lng}}&maxDistanceKM={{maxDistanceKM}}","tls":"","x":230,"y":508,"wires":[["74e1d066.979de","612d2489.fda06c"]]},{"id":"c66a08f6.069738","type":"function","z":"831a23e4.73668","name":"Set params","func":"msg.lat = flow.get(\"latitude\");\nmsg.lng = flow.get(\"longitude\");\nmsg.maxDistanceKM = flow.get(\"maxDistanceKM\");\nmsg.headers = {};\nmsg.headers['Accept'] = 'application/json';\nmsg.headers['apikey'] = flow.get(\"apikey\");\nreturn msg;","outputs":1,"noerr":0,"x":90,"y":448,"wires":[["86e0b040.12bb2"]]},{"id":"e7f2fb4f.08d4e8","type":"function","z":"831a23e4.73668","name":"AIRLY CAQI level","func":"return { payload: msg.payload.current.indexes[0].level };","outputs":1,"noerr":0,"x":783,"y":669,"wires":[["6b9e3e96.ed37"]]},{"id":"4d95ccd8.ccc954","type":"function","z":"831a23e4.73668","name":"PM2.5 value","func":"return { payload: msg.payload.current.values[1].value };","outputs":1,"noerr":0,"x":770,"y":208,"wires":[["8d81414d.0f0b5"]]},{"id":"c843bac4.816d28","type":"function","z":"831a23e4.73668","name":"PM10 value","func":"return { payload: msg.payload.current.values[2].value };","outputs":1,"noerr":0,"x":770,"y":328,"wires":[["2414fbb2.8d8914"]]},{"id":"127c8530.42e74b","type":"function","z":"831a23e4.73668","name":"PM2.5 limit-percent","func":"return { payload: msg.payload.current.standards[0].percent };","outputs":1,"noerr":0,"x":790,"y":268,"wires":[["714d0b8b.8dc164"]]},{"id":"39b397c7.dfd6c8","type":"function","z":"831a23e4.73668","name":"PM10 limit-percent","func":"return { payload: msg.payload.current.standards[1].percent };","outputs":1,"noerr":0,"x":790,"y":388,"wires":[["6eae2a78.8133a4"]]},{"id":"8d81414d.0f0b5","type":"mqtt out","z":"831a23e4.73668","name":"node-red/Airly/PM25/value","topic":"node-red/Airly/PM25/value","qos":"0","retain":"true","broker":"f73acdfd.2b353","x":1080,"y":208,"wires":[]},{"id":"714d0b8b.8dc164","type":"mqtt out","z":"831a23e4.73668","name":"node-red/Airly/PM25/limit-percent","topic":"node-red/Airly/PM25/limit-percent","qos":"0","retain":"true","broker":"f73acdfd.2b353","x":1060,"y":268,"wires":[]},{"id":"2414fbb2.8d8914","type":"mqtt out","z":"831a23e4.73668","name":"node-red/Airly/PM10/value","topic":"node-red/Airly/PM10/value","qos":"0","retain":"true","broker":"f73acdfd.2b353","x":1080,"y":328,"wires":[]},{"id":"6eae2a78.8133a4","type":"mqtt out","z":"831a23e4.73668","name":"node-red/Airly/PM10/limit-percent","topic":"node-red/Airly/PM10/limit-percent","qos":"0","retain":"true","broker":"f73acdfd.2b353","x":1060,"y":388,"wires":[]},{"id":"4e1c6e09.ff18a","type":"mqtt out","z":"831a23e4.73668","name":"node-red/Airly/CAQI/value","topic":"node-red/Airly/CAQI/value","qos":"0","retain":"true","broker":"f73acdfd.2b353","x":1085,"y":602,"wires":[]},{"id":"6b9e3e96.ed37","type":"mqtt out","z":"831a23e4.73668","name":"node-red/Airly/CAQI/level","topic":"node-red/Airly/CAQI/level","qos":"0","retain":"true","broker":"f73acdfd.2b353","x":1087,"y":664,"wires":[]},{"id":"612d2489.fda06c","type":"change","z":"831a23e4.73668","name":"Remember station","rules":[{"t":"set","p":"installationId","pt":"flow","to":"msg.payload[0].id","tot":"msg"}],"action":"","property":"","from":"","to":"","reg":false,"x":470,"y":508,"wires":[["875579a2.9960b8"]]},{"id":"2f52011.89896fe","type":"switch","z":"831a23e4.73668","name":"Station selected?","property":"installationId","propertyType":"flow","rules":[{"t":"regex","v":"\\d","vt":"str","case":false},{"t":"else"}],"checkall":"false","repair":false,"outputs":2,"x":110,"y":348,"wires":[["875579a2.9960b8"],["c66a08f6.069738"]],"outputLabels":["Yes","No"]},{"id":"b723d5aa.409dd8","type":"inject","z":"831a23e4.73668","name":"Pool every 10m","topic":"","payload":"","payloadType":"date","repeat":"600","crontab":"","once":true,"onceDelay":0.1,"x":110,"y":228,"wires":[["654315a1.c6329c","2f52011.89896fe","b258825b.4dc2e"]]},{"id":"654315a1.c6329c","type":"credentials","z":"831a23e4.73668","name":"Airly API key","props":[{"value":"apikey","type":"flow"}],"x":450,"y":108,"wires":[[]]},{"id":"22a4d9e2.663ca6","type":"change","z":"831a23e4.73668","name":"Forget station","rules":[{"t":"delete","p":"installationId","pt":"flow"}],"action":"","property":"","from":"","to":"","reg":false,"x":460,"y":588,"wires":[[]]},{"id":"74e1d066.979de","type":"delay","z":"831a23e4.73668","name":"After 1h","pauseType":"delay","timeout":"1","timeoutUnits":"hours","rate":"1","nbRateUnits":"1","rateUnits":"second","randomFirst":"1","randomLast":"5","randomUnits":"seconds","drop":false,"x":260,"y":588,"wires":[["22a4d9e2.663ca6"]]},{"id":"875579a2.9960b8","type":"function","z":"831a23e4.73668","name":"Set params","func":"msg.installationId = flow.get(\"installationId\");\nmsg.headers = {};\nmsg.headers['Accept'] = 'application/json';\nmsg.headers['Accept-Language'] = 'pl';\nmsg.headers['apikey'] = flow.get(\"apikey\");\nreturn msg;","outputs":1,"noerr":0,"x":370,"y":308,"wires":[["a3405745.2b3668"]]},{"id":"e7911428.63f708","type":"comment","z":"831a23e4.73668","name":"<-- Put your GPS location here","info":"","x":689,"y":78,"wires":[]},{"id":"7849d431.a2c9ec","type":"comment","z":"831a23e4.73668","name":"<-- Put your Airly API key here (package -contrib-credentials required)","info":"","x":809,"y":118,"wires":[]},{"id":"b258825b.4dc2e","type":"change","z":"831a23e4.73668","name":"Configuration","rules":[{"t":"set","p":"latitude","pt":"flow","to":"50.141027","tot":"str"},{"t":"set","p":"longitude","pt":"flow","to":"18.602694","tot":"str"},{"t":"set","p":"maxDistanceKM","pt":"flow","to":"10","tot":"str"}],"action":"","property":"","from":"","to":"","reg":false,"x":450,"y":68,"wires":[[]],"icon":"node-red/cog.png"},{"id":"67c0407f.0dd34","type":"function","z":"831a23e4.73668","name":"pressure","func":"return { payload: msg.payload.current.values[3].value };","outputs":1,"noerr":0,"x":761,"y":448,"wires":[["757362c3.892bfc"]]},{"id":"4f81f43d.99a00c","type":"function","z":"831a23e4.73668","name":"humidity","func":"return { payload: msg.payload.current.values[4].value };","outputs":1,"noerr":0,"x":758,"y":496,"wires":[["51d18efa.f78a3"]]},{"id":"6a41a5e.c4d035c","type":"function","z":"831a23e4.73668","name":"temperature","func":"return { payload: msg.payload.current.values[5].value };","outputs":1,"noerr":0,"x":769,"y":544,"wires":[["842f7319.6d2d6"]]},{"id":"757362c3.892bfc","type":"mqtt out","z":"831a23e4.73668","name":"node-red/Airly/climate/pressure","topic":"node-red/Airly/climate/pressure","qos":"0","retain":"true","broker":"f73acdfd.2b353","x":1039,"y":446,"wires":[]},{"id":"51d18efa.f78a3","type":"mqtt out","z":"831a23e4.73668","name":"node-red/Airly/climate/humidity","topic":"node-red/Airly/climate/humidity","qos":"0","retain":"true","broker":"f73acdfd.2b353","x":1039,"y":491,"wires":[]},{"id":"842f7319.6d2d6","type":"mqtt 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Cześć korzystam z tego prawie od roku ale z aktualizacją grudniową flow przestał działać, dasz radę w wolnej chwili naprawić ?
Pozdrawiam :)

A co Ci konkretnie nie działa? Bo właśnie sprawdziłem i u mnie wszystko zdaje się działać poprawnie. Mam czas odpytywania ustawiony na co 20 minut.

Dzięki za odzew, wszystko już działa, problemem była zmiana formatu sensora mqtt. Pozdrawiam.

Gdzie dokładnie wpisać komendę aby zainstalować : node-red-contrib-credentials.

@tomaszhiterski Menu -> Manage palette

Macie podobny problem z tym flow?