Update app.py

app.py

@@ -29,7 +29,7 @@ def get_weather(city: str) -> str:
 # Tool to fetch AQI (Air Quality Index) - No API Key Needed (Uses waqi.info with a demo token)
 @tool
 def get_air_quality(city: str) -> str:
-    """Fetches air quality index (AQI) for a specified city using waqi.info.
+    """Finds the air quality index (AQI) for a city using DuckDuckGo search.
     
     Args:
         city: The name of the city for which AQI information is needed.
@@ -38,11 +38,14 @@ def get_air_quality(city: str) -> str:
         str: The AQI value along with air quality status.
     """
     try:
-        url = f"https://api.waqi.info/feed/{city}/?token=demo"  # Demo token (no key needed)
-        response = requests.get(url).json()
-        if 'data' in response and 'aqi' in response['data']:
-            return f"Air Quality in {city}: AQI {response['data']['aqi']}"
-        return "AQI data unavailable."
+        search_tool = DuckDuckGoSearchTool()
+        query = f"current air quality index AQI in {city}"
+        results = search_tool.forward(query)
+        
+        if results:
+            top_result = results.split("\n\n")[0]  # Get the first search result
+            return f"Air Quality in {city}:\n{top_result}"
+        return "No AQI data found."
     except Exception as e:
         return f"Error fetching AQI: {e}"