diff --git a/homeassistant/components/airgradient/__init__.py b/homeassistant/components/airgradient/__init__.py
index 76e11c05527..b1b5a28ef67 100644
--- a/homeassistant/components/airgradient/__init__.py
+++ b/homeassistant/components/airgradient/__init__.py
@@ -15,7 +15,12 @@ from homeassistant.helpers.aiohttp_client import async_get_clientsession
 from .const import DOMAIN
 from .coordinator import AirGradientConfigCoordinator, AirGradientMeasurementCoordinator
 
-PLATFORMS: list[Platform] = [Platform.NUMBER, Platform.SELECT, Platform.SENSOR]
+PLATFORMS: list[Platform] = [
+    Platform.BUTTON,
+    Platform.NUMBER,
+    Platform.SELECT,
+    Platform.SENSOR,
+]
 
 
 @dataclass
diff --git a/homeassistant/components/airgradient/button.py b/homeassistant/components/airgradient/button.py
new file mode 100644
index 00000000000..b59188ebdd4
--- /dev/null
+++ b/homeassistant/components/airgradient/button.py
@@ -0,0 +1,104 @@
+"""Support for AirGradient buttons."""
+
+from collections.abc import Awaitable, Callable
+from dataclasses import dataclass
+
+from airgradient import AirGradientClient, ConfigurationControl
+
+from homeassistant.components.button import (
+    DOMAIN as BUTTON_DOMAIN,
+    ButtonEntity,
+    ButtonEntityDescription,
+)
+from homeassistant.const import EntityCategory
+from homeassistant.core import HomeAssistant, callback
+from homeassistant.helpers import entity_registry as er
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from . import DOMAIN, AirGradientConfigEntry
+from .coordinator import AirGradientConfigCoordinator
+from .entity import AirGradientEntity
+
+
+@dataclass(frozen=True, kw_only=True)
+class AirGradientButtonEntityDescription(ButtonEntityDescription):
+    """Describes AirGradient button entity."""
+
+    press_fn: Callable[[AirGradientClient], Awaitable[None]]
+
+
+CO2_CALIBRATION = AirGradientButtonEntityDescription(
+    key="co2_calibration",
+    translation_key="co2_calibration",
+    entity_category=EntityCategory.CONFIG,
+    press_fn=lambda client: client.request_co2_calibration(),
+)
+LED_BAR_TEST = AirGradientButtonEntityDescription(
+    key="led_bar_test",
+    translation_key="led_bar_test",
+    entity_category=EntityCategory.CONFIG,
+    press_fn=lambda client: client.request_led_bar_test(),
+)
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    entry: AirGradientConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
+    """Set up AirGradient button entities based on a config entry."""
+    model = entry.runtime_data.measurement.data.model
+    coordinator = entry.runtime_data.config
+
+    added_entities = False
+
+    @callback
+    def _check_entities() -> None:
+        nonlocal added_entities
+
+        if (
+            coordinator.data.configuration_control is ConfigurationControl.LOCAL
+            and not added_entities
+        ):
+            entities = [AirGradientButton(coordinator, CO2_CALIBRATION)]
+            if "L" in model:
+                entities.append(AirGradientButton(coordinator, LED_BAR_TEST))
+
+            async_add_entities(entities)
+            added_entities = True
+        elif (
+            coordinator.data.configuration_control is not ConfigurationControl.LOCAL
+            and added_entities
+        ):
+            entity_registry = er.async_get(hass)
+            for entity_description in (CO2_CALIBRATION, LED_BAR_TEST):
+                unique_id = f"{coordinator.serial_number}-{entity_description.key}"
+                if entity_id := entity_registry.async_get_entity_id(
+                    BUTTON_DOMAIN, DOMAIN, unique_id
+                ):
+                    entity_registry.async_remove(entity_id)
+            added_entities = False
+
+    coordinator.async_add_listener(_check_entities)
+    _check_entities()
+
+
+class AirGradientButton(AirGradientEntity, ButtonEntity):
+    """Defines an AirGradient button."""
+
+    entity_description: AirGradientButtonEntityDescription
+    coordinator: AirGradientConfigCoordinator
+
+    def __init__(
+        self,
+        coordinator: AirGradientConfigCoordinator,
+        description: AirGradientButtonEntityDescription,
+    ) -> None:
+        """Initialize airgradient button."""
+        super().__init__(coordinator)
+        self.entity_description = description
+        self._attr_unique_id = f"{coordinator.serial_number}-{description.key}"
+
+    async def async_press(self) -> None:
+        """Press the button."""
+        await self.entity_description.press_fn(self.coordinator.client)
diff --git a/homeassistant/components/airgradient/icons.json b/homeassistant/components/airgradient/icons.json
index cf0c80c873e..45d1e12d46e 100644
--- a/homeassistant/components/airgradient/icons.json
+++ b/homeassistant/components/airgradient/icons.json
@@ -1,5 +1,13 @@
 {
   "entity": {
+    "button": {
+      "co2_calibration": {
+        "default": "mdi:molecule-co2"
+      },
+      "led_bar_test": {
+        "default": "mdi:lightbulb-on-outline"
+      }
+    },
     "sensor": {
       "total_volatile_organic_component_index": {
         "default": "mdi:molecule"
diff --git a/homeassistant/components/airgradient/number.py b/homeassistant/components/airgradient/number.py
index e065b76ed51..139357f3753 100644
--- a/homeassistant/components/airgradient/number.py
+++ b/homeassistant/components/airgradient/number.py
@@ -88,11 +88,8 @@ async def async_setup_entry(
             and added_entities
         ):
             entity_registry = er.async_get(hass)
-            unique_ids = [
-                f"{coordinator.serial_number}-{entity_description.key}"
-                for entity_description in (DISPLAY_BRIGHTNESS, LED_BAR_BRIGHTNESS)
-            ]
-            for unique_id in unique_ids:
+            for entity_description in (DISPLAY_BRIGHTNESS, LED_BAR_BRIGHTNESS):
+                unique_id = f"{coordinator.serial_number}-{entity_description.key}"
                 if entity_id := entity_registry.async_get_entity_id(
                     NUMBER_DOMAIN, DOMAIN, unique_id
                 ):
diff --git a/homeassistant/components/airgradient/strings.json b/homeassistant/components/airgradient/strings.json
index 6c079419839..0b5c245f04c 100644
--- a/homeassistant/components/airgradient/strings.json
+++ b/homeassistant/components/airgradient/strings.json
@@ -24,6 +24,14 @@
     }
   },
   "entity": {
+    "button": {
+      "co2_calibration": {
+        "name": "Calibrate CO2 sensor"
+      },
+      "led_bar_test": {
+        "name": "Test LED bar"
+      }
+    },
     "number": {
       "led_bar_brightness": {
         "name": "LED bar brightness"
diff --git a/tests/components/airgradient/snapshots/test_button.ambr b/tests/components/airgradient/snapshots/test_button.ambr
new file mode 100644
index 00000000000..fa3f8994c3c
--- /dev/null
+++ b/tests/components/airgradient/snapshots/test_button.ambr
@@ -0,0 +1,139 @@
+# serializer version: 1
+# name: test_all_entities[indoor][button.airgradient_calibrate_co2_sensor-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'button',
+    'entity_category': <EntityCategory.CONFIG: 'config'>,
+    'entity_id': 'button.airgradient_calibrate_co2_sensor',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': 'Calibrate CO2 sensor',
+    'platform': 'airgradient',
+    'previous_unique_id': None,
+    'supported_features': 0,
+    'translation_key': 'co2_calibration',
+    'unique_id': '84fce612f5b8-co2_calibration',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_entities[indoor][button.airgradient_calibrate_co2_sensor-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Airgradient Calibrate CO2 sensor',
+    }),
+    'context': <ANY>,
+    'entity_id': 'button.airgradient_calibrate_co2_sensor',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'unknown',
+  })
+# ---
+# name: test_all_entities[indoor][button.airgradient_test_led_bar-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'button',
+    'entity_category': <EntityCategory.CONFIG: 'config'>,
+    'entity_id': 'button.airgradient_test_led_bar',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': 'Test LED bar',
+    'platform': 'airgradient',
+    'previous_unique_id': None,
+    'supported_features': 0,
+    'translation_key': 'led_bar_test',
+    'unique_id': '84fce612f5b8-led_bar_test',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_entities[indoor][button.airgradient_test_led_bar-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Airgradient Test LED bar',
+    }),
+    'context': <ANY>,
+    'entity_id': 'button.airgradient_test_led_bar',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'unknown',
+  })
+# ---
+# name: test_all_entities[outdoor][button.airgradient_calibrate_co2_sensor-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'button',
+    'entity_category': <EntityCategory.CONFIG: 'config'>,
+    'entity_id': 'button.airgradient_calibrate_co2_sensor',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': 'Calibrate CO2 sensor',
+    'platform': 'airgradient',
+    'previous_unique_id': None,
+    'supported_features': 0,
+    'translation_key': 'co2_calibration',
+    'unique_id': '84fce612f5b8-co2_calibration',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_entities[outdoor][button.airgradient_calibrate_co2_sensor-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Airgradient Calibrate CO2 sensor',
+    }),
+    'context': <ANY>,
+    'entity_id': 'button.airgradient_calibrate_co2_sensor',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'unknown',
+  })
+# ---
diff --git a/tests/components/airgradient/test_button.py b/tests/components/airgradient/test_button.py
new file mode 100644
index 00000000000..7901c3a067b
--- /dev/null
+++ b/tests/components/airgradient/test_button.py
@@ -0,0 +1,99 @@
+"""Tests for the AirGradient button platform."""
+
+from datetime import timedelta
+from unittest.mock import AsyncMock, patch
+
+from airgradient import Config
+from freezegun.api import FrozenDateTimeFactory
+from syrupy import SnapshotAssertion
+
+from homeassistant.components.airgradient import DOMAIN
+from homeassistant.components.button import DOMAIN as BUTTON_DOMAIN, SERVICE_PRESS
+from homeassistant.const import ATTR_ENTITY_ID, Platform
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import entity_registry as er
+
+from . import setup_integration
+
+from tests.common import (
+    MockConfigEntry,
+    async_fire_time_changed,
+    load_fixture,
+    snapshot_platform,
+)
+
+
+async def test_all_entities(
+    hass: HomeAssistant,
+    snapshot: SnapshotAssertion,
+    airgradient_devices: AsyncMock,
+    mock_config_entry: MockConfigEntry,
+    entity_registry: er.EntityRegistry,
+) -> None:
+    """Test all entities."""
+    with patch("homeassistant.components.airgradient.PLATFORMS", [Platform.BUTTON]):
+        await setup_integration(hass, mock_config_entry)
+
+    await snapshot_platform(hass, entity_registry, snapshot, mock_config_entry.entry_id)
+
+
+async def test_pressing_button(
+    hass: HomeAssistant,
+    mock_airgradient_client: AsyncMock,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test pressing button."""
+    await setup_integration(hass, mock_config_entry)
+
+    await hass.services.async_call(
+        BUTTON_DOMAIN,
+        SERVICE_PRESS,
+        {
+            ATTR_ENTITY_ID: "button.airgradient_calibrate_co2_sensor",
+        },
+        blocking=True,
+    )
+    mock_airgradient_client.request_co2_calibration.assert_called_once()
+
+    await hass.services.async_call(
+        BUTTON_DOMAIN,
+        SERVICE_PRESS,
+        {
+            ATTR_ENTITY_ID: "button.airgradient_test_led_bar",
+        },
+        blocking=True,
+    )
+    mock_airgradient_client.request_led_bar_test.assert_called_once()
+
+
+async def test_cloud_creates_no_button(
+    hass: HomeAssistant,
+    mock_cloud_airgradient_client: AsyncMock,
+    mock_config_entry: MockConfigEntry,
+    freezer: FrozenDateTimeFactory,
+) -> None:
+    """Test cloud configuration control."""
+    with patch("homeassistant.components.airgradient.PLATFORMS", [Platform.BUTTON]):
+        await setup_integration(hass, mock_config_entry)
+
+    assert len(hass.states.async_all()) == 0
+
+    mock_cloud_airgradient_client.get_config.return_value = Config.from_json(
+        load_fixture("get_config_local.json", DOMAIN)
+    )
+
+    freezer.tick(timedelta(minutes=5))
+    async_fire_time_changed(hass)
+    await hass.async_block_till_done()
+
+    assert len(hass.states.async_all()) == 2
+
+    mock_cloud_airgradient_client.get_config.return_value = Config.from_json(
+        load_fixture("get_config_cloud.json", DOMAIN)
+    )
+
+    freezer.tick(timedelta(minutes=5))
+    async_fire_time_changed(hass)
+    await hass.async_block_till_done()
+
+    assert len(hass.states.async_all()) == 0