diff --git a/public/config.json b/public/config.json
index 3d0a81e..65d0c7c 100644
--- a/public/config.json
+++ b/public/config.json
@@ -19,6 +19,26 @@
       "range": [0, 1000],
       "color": ["#FFFFE0", "#FFD700"],
       "unit": "ppm"
+    },
+    "CH2O": {
+      "range": [0, 100],
+      "color": ["#90EE90", "#006400"],
+      "unit": "ppb"
+    },
+    "PM1": {
+      "range": [0, 20],
+      "color": ["#E6E6FA", "#800080"],
+      "unit": "µg/m³"
+    },
+    "PM2.5": {
+      "range": [0, 55],
+      "color": ["#FFB6C1", "#FF0000"],
+      "unit": "µg/m³"
+    },
+    "PM10": {
+      "range": [0, 150],
+      "color": ["#FFDDC1", "#FF1493"],
+      "unit": "µg/m³"
     }
   }
 }
diff --git a/src/hooks/forge/useForgeFloor.js b/src/hooks/forge/useForgeFloor.js
index ea9fee4..60cf9f7 100644
--- a/src/hooks/forge/useForgeFloor.js
+++ b/src/hooks/forge/useForgeFloor.js
@@ -53,7 +53,7 @@ function useForgeFloor() {
   });
 
   const hideDbIdFn = () => {
-    const tree = forgeViewer.value.model.getInstanceTree();
+    const tree = forgeViewer.value?.model.getInstanceTree();
     const allDbIdsStr = Object.keys(tree.nodeAccess.dbIdToIndex);
     for (var i = 0; i < allDbIdsStr.length; i++) {
       forgeViewer.value.hide(parseInt(allDbIdsStr[i]));
@@ -69,26 +69,29 @@ function useForgeFloor() {
   };
 
   const showLevels = () => {
-    const currentFloorName = selectedFloor.value.title.replaceAll(/U/gi, "");
+    if (forgeViewer.value) {
+      const currentFloorName =
+        selectedFloor.value?.title?.replaceAll(/U/gi, "") || "";
 
-    const level = levelList.value.find(({ name }) =>
-      name.includes(currentFloorName)
-    );
-    console.log(currentFloorName, level);
+      const level = levelList.value.find(({ name }) =>
+        name.includes(currentFloorName)
+      );
+      console.log(currentFloorName, level);
 
-    if (!level) {
-      forgeViewer.value.impl.toggleGhosting(true);
-      forgeViewer.value.fitToView([forgeViewer.value.model.getRootId()]);
-      showDbIdFn();
-    } else {
-      hideDbIdFn();
-      // forgeViewer.value.clearSelection();
-      // forgeViewer.value.model.setAllVisibility(0);
-      forgeViewer.value.impl.toggleGhosting(false);
-      // forgeViewer.value.impl.toggleGroundShadow(false);
-      forgeViewer.value.show(level.dbId);
-      forgeViewer.value.impl.invalidate(true);
-      forgeViewer.value.fitToView([level.dbId]);
+      if (!level) {
+        forgeViewer.value?.impl.toggleGhosting(true);
+        forgeViewer.value?.fitToView([forgeViewer.value.model.getRootId()]);
+        showDbIdFn();
+      } else {
+        hideDbIdFn();
+        // forgeViewer.value.clearSelection();
+        // forgeViewer.value.model.setAllVisibility(0);
+        forgeViewer.value.impl.toggleGhosting(false);
+        // forgeViewer.value.impl.toggleGroundShadow(false);
+        forgeViewer.value.show(level.dbId);
+        forgeViewer.value.impl.invalidate(true);
+        forgeViewer.value.fitToView([level.dbId]);
+      }
     }
   };
 
diff --git a/src/hooks/forge/useForgeHeatmap.js b/src/hooks/forge/useForgeHeatmap.js
index 1abbfe5..3f9166a 100644
--- a/src/hooks/forge/useForgeHeatmap.js
+++ b/src/hooks/forge/useForgeHeatmap.js
@@ -131,7 +131,6 @@ export default function useForgeHeatmap() {
   watch(
     data,
     (newValue, oldValue) => {
-      debugger;
       dataVizExtn.value?.removeSurfaceShading();
       createHeatMap(route.query.gas);
     },