Update app.py

app.py

@@ -362,13 +362,21 @@ def get_background_color_pm25(pm25_value):
     try:
         pm25 = float(pm25_value)
         if pm25 <= 8:
-            return "#87CEEB"  # 파랑 (좋음)
+            return "#87CEEB"  # 파랑 (최고 좋음)
         elif pm25 <= 15:
-            return "#90EE90"  # 초록 (보통)
+            return "#87CEEB"  # 파랑 (좋음) 
+        elif pm25 <= 20:
+            return "#40E0D0"  # 청록 (양호)
         elif pm25 <= 25:
-            return "#FFD700"  # 노랑 (나쁨)
+            return "#90EE90"  # 초록 (보통)
+        elif pm25 <= 37:
+            return "#FFA500"  # 주황 (나쁨)
+        elif pm25 <= 50:
+            return "#FF0000"  # 빨강 (상당히 나쁨)
+        elif pm25 <= 75:
+            return "#FF0000"  # 빨강 (매우 나쁨)
         else:
-            return "#FF6B6B"  # 빨강 (매우나쁨)
+            return "#000000"  # 검정 (최악)
     except:
         return "#FFFFFF"
 
@@ -376,19 +384,29 @@ def get_background_color_pm10(pm10_value):
     try:
         pm10 = float(pm10_value)
         if pm10 <= 15:
-            return "#87CEEB"  # 파랑 (좋음)
+            return "#87CEEB"  # 파랑 (최고 좋음)
         elif pm10 <= 30:
-            return "#90EE90"  # 초록 (보통)
+            return "#87CEEB"  # 파랑 (좋음)
+        elif pm10 <= 40:
+            return "#40E0D0"  # 청록 (양호) 
         elif pm10 <= 50:
-            return "#FFD700"  # 노랑 (나쁨)
+            return "#90EE90"  # 초록 (보통)
+        elif pm10 <= 75:
+            return "#FFA500"  # 주황 (나쁨)
+        elif pm10 <= 100:
+            return "#FF0000"  # 빨강 (상당히 나쁨)
+        elif pm10 <= 150:
+            return "#FF0000"  # 빨강 (매우 나쁨)
         else:
-            return "#FF6B6B"  # 빨강 (매우나쁨)
+            return "#000000"  # 검정 (최악)
     except:
         return "#FFFFFF"
 
+
 def show_weather_info(data):
     st.markdown('<div class="section-container">', unsafe_allow_html=True)
 
+
     # Add update time display using the last API call timestamp (already in KST)
     refresh_time = datetime.fromtimestamp(st.session_state.last_api_call) if st.session_state.last_api_call else (datetime.utcnow() + timedelta(hours=9))
     st.markdown(f'''