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I've placed a fan in a location that allows it to draw in air from outside -- when CO2 levels are too high, it clicks on. A second recipe turns it off once levels are back in the acceptable range. The level I chose is particularly high, so this is a great opportunity to enjoy a walk in the sunshine; you can just lower it if you're a Vampire. (...but then, why are you worried about CO2 levels?)

Create your own WeMo Insight Switch and Netatmo Weather Station workflow

Create custom workflows effortlessly by selecting triggers, queries, and actions. With IFTTT, it's simple: “If this” trigger happens, “then that” action follows. Streamline tasks and save time with automated workflows that work for you.

46 triggers, queries, and actions

Air pressure drops below

Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the ambient air pressure drops below a value you specify.

Air pressure rises above

Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the ambient air pressure rises above a value you specify.

Carbon dioxide drops below

Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the carbon dioxide drops below a value you specify.

Carbon dioxide rises above

Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the carbon dioxide rises above a value you specify.

Daily cost rises above

Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires when the cost of the device attached to your WeMo Insight Switch rises above the daily value you specify.

Daily minutes on is longer than

Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires when the device attached to your WeMo Insight Switch is turned on longer than the minutes you specify.

Gust speed rises above

Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires ever time the gust speed rises above a value you specify.

Humidity drops below

Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the humidity drops below a percentage you specify.

Humidity rises above

Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the humidity rises above a percentage you specify.

Monthly estimated cost rises above

Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires when the estimated cost of the device attached to your WeMo Insight Switch rises above the value you specify.

Noise level drops below

Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the noise drops below a decibel value you specify.

Noise level rises above

Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the noise rises above a decibel value you specify.

History of Air pressure rose above threshold alerts

Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of times when the ambient air pressure rose above a value you specified. Note: this query will only return future events after this Applet is created.

History of carbon dioxide drops below

Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when the carbon dioxide drops below a value you specify. Note: this query will only return future events after this Applet is created.

History of Carbon dioxide rising above threshold

Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when the carbon dioxide rose above a value you specify. Note: this query will only return future events after this Applet is created.

History of Gust speed exceeded threshold

Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of times when the gust speed rose above a value you specified. Note: this query will only return future events after this Applet is created.

History of humidity drops below

Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when the humidity drops below a percentage you specify. Note: this query will only return future events after this Applet is created.

History of humidity rises above

Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when the humidity rises above a percentage you specify. Note: this query will only return future events after this Applet is created.

History of noise level rises above

Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when the noise rises above a decibel value you specify. Note: this query will only return future events after this Applet is created.

History of rain detected

Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when your Netatmo Rain Gauge detects that it was raining.

History of Rain Stopped

Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of events when your Netatmo Rain Gauge detected that it was no longer raining.

History of rainfall measurements

Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of past daily rainfall measurements.

History of Switched off

Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of times when your WeMo Insight Switch was turned off.

History of Switched on

Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when your WeMo Insight Switch was turned on.

Toggle on/off

Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will toggle a WeMo Insight Switch on or off.

Turn off

Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will turn a WeMo Switch off. If the WeMo Switch is already off, it will remain off.

Turn off then on

Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will turn a WeMo Switch off then immediately back on.

Turn on

Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will turn a WeMo Insight Switch on. If the WeMo Insight Switch is already on, it will remain on.

Turn on then off

Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will turn a WeMo Insight Switch on then immediately back off.

Air pressure drops below

Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the ambient air pressure drops below a value you specify.

Air pressure rises above

Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the ambient air pressure rises above a value you specify.

Carbon dioxide drops below

Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the carbon dioxide drops below a value you specify.

Carbon dioxide rises above

Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the carbon dioxide rises above a value you specify.

Daily cost rises above

Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires when the cost of the device attached to your WeMo Insight Switch rises above the daily value you specify.

Daily minutes on is longer than

Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires when the device attached to your WeMo Insight Switch is turned on longer than the minutes you specify.

Gust speed rises above

Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires ever time the gust speed rises above a value you specify.

History of Air pressure rose above threshold alerts

Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of times when the ambient air pressure rose above a value you specified. Note: this query will only return future events after this Applet is created.

History of carbon dioxide drops below

Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when the carbon dioxide drops below a value you specify. Note: this query will only return future events after this Applet is created.

History of Carbon dioxide rising above threshold

Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when the carbon dioxide rose above a value you specify. Note: this query will only return future events after this Applet is created.

History of Gust speed exceeded threshold

Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of times when the gust speed rose above a value you specified. Note: this query will only return future events after this Applet is created.

History of humidity drops below

Query
A query lets your Applet retrieve extra data that isn't included in the trigger, so that your automation can include more complete or useful information.
This query returns a list of when the humidity drops below a percentage you specify. Note: this query will only return future events after this Applet is created.

More on WeMo Insight Switch and Netatmo Weather Station

About WeMo Insight Switch

Belkin’s Wemo system is home automation made easy. Control your electronics and monitor energy usage from anywhere with the Wemo Insight Switch

Learn more

More integrations with WeMo Insight Switch

About Netatmo Weather Station

The Netatmo Weather Station contains a unique set of sensors to monitor your living environment's temperature, barometric pressure, humidity, carbon dioxide concentration, noise pollution, and more.

The Netatmo App displays your Station’s indoor and outdoor measurements into clear and comprehensive dashboards, graphs and notifications.

Learn more

More integrations with Netatmo Weather Station