[Lovelace UI] kafelek Airly

Nie wiem czy o to właśnie pytałeś:

  - platform: mqtt
    name: "PM2.5"
    state_topic: "node-red/Airly/PM25/value"
    unit_of_measurement: 'µg/m³'
    payload_available: "online"
    payload_not_available: "offline"
    icon: mdi:thermometer-lines