esphome_aqi.yaml

esphome:
  name: aqi-a-esp
  friendly_name: aqi-a-esp

esp8266:
  board: d1_mini

# Enable Home Assistant API
api:
  encryption:
    key: "...="

ota:
  - platform: esphome
    password: "..."

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password

  manual_ip:
    static_ip: ...
    gateway: ...
    subnet: ...

logger:
  baud_rate: 0

uart:
  tx_pin: GPIO3
  rx_pin: GPIO1
  baud_rate: 9600

binary_sensor:

  - platform: template
    name: "Warmed Up"
    id: warmed_up
    filters:
      - delayed_on: 30s
    on_press:
      - delay: 10s
      - switch.turn_off: measuring

sensor:
  - platform: aqi
    name: "Air Quality Index"
    pm_2_5: pms_25
    pm_10_0: pms_100
    calculation_type: AQI

  - platform: pmsx003
    type: PMSX003
    pm_1_0:
      name: "Particulate Matter <1.0µm Concentration"
      id: pms_10
      accuracy_decimals: 1
      filters:
      - lambda: |-
          if (id(warmed_up).state) {
            return x;
          } else {
            return {};
          }
      - sliding_window_moving_average:
          window_size: 10
          send_every: 1
          send_first_at: 1
      - debounce: 3s
    pm_2_5:
      name: "Particulate Matter <2.5µm Concentration"
      id: pms_25
      accuracy_decimals: 1
      filters:
      - lambda: |-
          if (id(warmed_up).state) {
            return x;
          } else {
            return {};
          }
      - sliding_window_moving_average:
          window_size: 10
          send_every: 1
          send_first_at: 1
      - debounce: 3s
    pm_10_0:
      name: "Particulate Matter <10.0µm Concentration"
      id: pms_100
      accuracy_decimals: 1
      filters:
      - lambda: |-
          if (id(warmed_up).state) {
            return x;
          } else {
            return {};
          }
      - sliding_window_moving_average:
          window_size: 10
          send_first_at: 1
          send_every: 1
      - debounce: 3s

switch:
  - platform: gpio
    name: "Measuring"
    id: measuring
    pin:
      number: D1
    restore_mode: ALWAYS_OFF
    on_turn_on:
      - binary_sensor.template.publish:
          id: warmed_up
          state: ON
    on_turn_off:
      - binary_sensor.template.publish:
          id: warmed_up
          state: OFF
  - platform: restart
    name: "Restart"


# runs PMS5003 sensor every 300s to extend sensor life.
interval:
  - interval: 300s
    then:
      - wait_until:
          condition:
            api.connected: # Can use api.connected if using HA API instead
      - switch.turn_on: measuring # Will turn itself off later