Save for a holiday whenever it rains
    
        Other popular Weather Underground workflows and automations
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  Weather report button
    
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  Park Husqvarna Automower® when rainy
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  Turn your lights on at sunset
    
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  Save every time the temperature rises above 75℉
    
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  Every day at 6 AM, add today's weather report to your calendar
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  Change the color of your lights when it starts raining
    
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  Add a reminder to your iPhone if it's going to rain tomorrow
    
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  Get a notification and an email if there's going to be snow tomorrow
    
   
Create your own Weather Underground and Wemo Air Purifier 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.
34 triggers, queries, and actions
        
          
            
            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 your air purifier registers an air quality you specify (poor, moderate, good).
      
        
          
            
            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 monitors changes in the current weather condition. When one of those conditions is met the Trigger fires. Currently only these simple conditions are supported: Rain, Snow, Cloudy, Clear. 
      
        
          
            
            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 monitors your local humidity and fires every time the humidity rises above the value you specify.
      
        
          
            
            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 monitors your local pollen levels and fires every time the pollen count rises above the value you specify (1-12). NOTE: Available only in the USA.
      
        
          
            
            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 monitors your local temperature and fires whenever the temperature drops below the value you provide.
      
        
          
            
            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 monitors your local temperature and fires whenever the temperature rises above the value you provide.
      
        
          
            
            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 monitors your local UV levels and fires every time the UV index rises above the value you specify (0-16).
      
        
          
            
            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 your air purifier is changed to your specified fan mode (Auto, High, Medium, Low, Off).
      
        
          
            
            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 filter life of your air purifier drops below your specified filter life percentage.
      
        
          
            
            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 within 15 minutes of the sunrise in your location.
      
        
          
            
            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 within 15 minutes of the sunset in your location.
      
        
          
            
            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 retrieves today's current weather report within 5 minutes of the time you specify. NOTE: Pollen count available only in the USA.
      
        
          
            
            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.
        
        Get the current weather
      
        
          
            
            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 air purifier registers an air quality you specify (poor, moderate, good).
      
        
          
            
            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 filter life of your air purifier drops below your specified filter life percentage. Note: this query will only return future events after this Applet is created.
      
        
          
            
            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 monitors your local humidity and returns a list of times when the humidity rose above the value you specified. Note: this query will only return future events after this Applet is created.
      
        
          
            
            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 monitors your local pollen levels and returns a list of times when the pollen count rose above the value you specified (1-12). NOTE: Available only in the USA. Note: this query will only return future events after this Applet is created.
      
        
          
            
            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 forecasted weather changed to meet a specific condition (Rain, Snow, Cloudy, or Clear).
      
        
          
            
            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 observed weather changed to meet a specific condition (Rain, Snow, Cloudy, or Clear).
      
        
          
            
            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 history of sunrises in your location. Note: this query will only return future events after this Applet is created.
      
        
          
            
            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 history of sunsets at your location.
      
        
          
            
            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 monitors your local temperature and returns a list of times when the temperature rose above the value you provided. Note: this query will only return future events after this Applet is created.
      
        
          
            
            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 monitors your local temperature and returns a list of times when the temperature dropped below the value you provide. Note: this query will only return future events after this Applet is created.
      
        
          
            
            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 alerts when tomorrows forecasted low temperature dropped below a value you provided. Note: this query will only return future events after this Applet is created.
      
        
          
            
            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 set the mode of your air purifier to a level you specify (off, low, medium, high, auto).
      
        
          
            
            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 your air purifier registers an air quality you specify (poor, moderate, good).
      
        
          
            
            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 monitors changes in the current weather condition. When one of those conditions is met the Trigger fires. Currently only these simple conditions are supported: Rain, Snow, Cloudy, Clear. 
      
        
          
            
            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 monitors your local humidity and fires every time the humidity rises above the value you specify.
      
        
          
            
            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 monitors your local pollen levels and fires every time the pollen count rises above the value you specify (1-12). NOTE: Available only in the USA.
      
        
          
            
            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 monitors your local temperature and fires whenever the temperature drops below the value you provide.
      
        
          
            
            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 monitors your local temperature and fires whenever the temperature rises above the value you provide.
      
        
          
            
            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 monitors your local UV levels and fires every time the UV index rises above the value you specify (0-16).
      
        
          
            
            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.
        
        Get the current weather
      
        
          
            
            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 your air purifier is changed to your specified fan mode (Auto, High, Medium, Low, Off).
      
        
          
            
            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 filter life of your air purifier drops below your specified filter life percentage.
      
        
          
            
            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 air purifier registers an air quality you specify (poor, moderate, good).
      
        
          
            
            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 filter life of your air purifier drops below your specified filter life percentage. Note: this query will only return future events after this Applet is created.
      Build an automation in seconds!
              If
            
            
                
                Air quality changed
                
              
            
              Then
            
            
                
                Set air purifier mode
                
              
            You can add delays, queries, and more actions in the next step!
    GET STARTED
    
  How to connect to a Weather Underground automation
Find an automation using Weather Underground
Find an automation to connect to, or create your own!Connect IFTTT to your Weather Underground account
Securely connect the Applet services to your respective accounts.Finalize and customize your Applet
Review trigger and action settings, and click connect. Simple as that!Upgrade your automations with
- 
          
          Connect to more Applets
Connect up to 20 automations with Pro, and unlimited automations with Pro+ - 
          
          Add multiple actions with exclusive services
Add real-time data and multiple actions for smarter automations - 
          
          Get access to faster speeds
Get faster updates and more actions with higher rate limits and quicker checks 
More on Weather Underground and Wemo Air Purifier
About Weather Underground
          
            Connect the services and devices you love to hyperlocal weather data, powered by the world's largest Personal Weather Station Network.
          
        
Connect the services and devices you love to hyperlocal weather data, powered by the world's largest Personal Weather Station Network.
About Wemo Air Purifier
          
            Belkin’s Wemo system is home automation made easy. The Holmes Smart Air Purifier with Wemo manages your air quality while you are at home or in the office.
          
            
        
Belkin’s Wemo system is home automation made easy. The Holmes Smart Air Purifier with Wemo manages your air quality while you are at home or in the office.