diff --git a/meshview/store.py b/meshview/store.py
index 6bfa225..d39daf5 100644
--- a/meshview/store.py
+++ b/meshview/store.py
@@ -263,7 +263,13 @@ async def get_node_traffic(node_id: int):
         return []
 
 
-async def get_nodes(role=None, channel=None, hw_model=None, days_active=None):
+async def get_nodes(
+    role=None,
+    channel=None,
+    hw_model=None,
+    days_active=None,
+    active_within: timedelta | None = None,
+):
     """
     Fetches nodes from the database based on optional filtering criteria.
 
@@ -271,6 +277,8 @@ async def get_nodes(role=None, channel=None, hw_model=None, days_active=None):
         role (str, optional): The role of the node (converted to uppercase for consistency).
         channel (str, optional): The communication channel associated with the node.
         hw_model (str, optional): The hardware model of the node.
+        days_active (int, optional): Legacy support for filtering by a number of days.
+        active_within (timedelta, optional): Filter nodes seen within the provided window.
 
     Returns:
         list: A list of Node objects that match the given criteria.
@@ -290,8 +298,12 @@ async def get_nodes(role=None, channel=None, hw_model=None, days_active=None):
             if hw_model is not None:
                 query = query.where(Node.hw_model == hw_model)
 
-            if days_active is not None:
-                query = query.where(Node.last_update > datetime.now() - timedelta(days_active))
+            window = active_within
+            if window is None and days_active is not None:
+                window = timedelta(days=days_active)
+
+            if window is not None:
+                query = query.where(Node.last_update > datetime.now() - window)
 
             # Exclude nodes where last_update is an empty string
             query = query.where(Node.last_update != "")
@@ -360,6 +372,19 @@ async def get_packet_stats(
         }
 
 
+async def get_all_channels():
+    async with database.async_session() as session:
+        stmt = (
+            select(Node.channel)
+            .where(Node.channel.is_not(None))
+            .where(Node.channel != "")
+            .distinct()
+            .order_by(Node.channel.asc())
+        )
+        result = await session.execute(stmt)
+        return [row[0] for row in result]
+
+
 async def get_channels_in_period(period_type: str = "hour", length: int = 24):
     """
     Returns a list of distinct channels used in packets over a given period.
diff --git a/meshview/templates/map.html b/meshview/templates/map.html
index e093963..4d6ee3c 100644
--- a/meshview/templates/map.html
+++ b/meshview/templates/map.html
@@ -23,10 +23,20 @@
     #filter-container {
         text-align: center;
         margin-top: 10px;
+        display: flex;
+        flex-wrap: wrap;
+        justify-content: center;
+        align-items: center;
+        gap: 8px;
     }
     .filter-checkbox {
         margin: 0 10px;
     }
+    #activity-range {
+        padding: 4px 8px;
+        border-radius: 4px;
+        border: 1px solid #ccc;
+    }
     #share-button {
         margin-left: 20px;
         padding: 5px 15px;
@@ -72,6 +82,12 @@
 {% block body %}
 <div id="map" style="width: 100%; height: calc(100vh - 270px)"></div>
 <div id="filter-container">
+    <label for="activity-range" id="activity-range-label">Active in:</label>
+    <select id="activity-range">
+        {% for value, label, _window in activity_filters %}
+        <option value="{{ value }}" {% if value == selected_activity %}selected{% endif %}>{{ label }}</option>
+        {% endfor %}
+    </select>
     <input type="checkbox" class="filter-checkbox" id="filter-routers-only"> <span id="filter-routers-label">Show Routers Only</span>
 </div>
 <div style="text-align: center; margin-top: 5px;">
@@ -101,6 +117,18 @@ async function loadTranslations() {
 // Initialize map AFTER translations are loaded
 loadTranslations().then(() => {
     const t = window.mapTranslations || {};
+    const activitySelect = document.getElementById("activity-range");
+    const activityLabel = document.getElementById("activity-range-label");
+    if (activityLabel) {
+        activityLabel.textContent = t.active_within || "Active in:";
+    }
+    if (activitySelect) {
+        activitySelect.addEventListener("change", () => {
+            const url = new URL(window.location.href);
+            url.searchParams.set("active", activitySelect.value);
+            window.location.href = url.toString();
+        });
+    }
 
     // ---- Map Setup ----
     var map = L.map('map');
@@ -135,6 +163,8 @@ loadTranslations().then(() => {
         }{{ "," if not loop.last else "" }}
         {% endfor %}
     ];
+    const providedChannels = {{ all_channels | default([], true) | tojson }};
+    const channelSet = new Set(providedChannels.filter(ch => ch));
 
     const portMap = {1: "Text", 67: "Telemetry", 3: "Position", 70: "Traceroute", 4: "Node Info", 71: "Neighbour Info", 73: "Map Report"};
 
@@ -162,18 +192,24 @@ loadTranslations().then(() => {
         return color;
     }
 
+    function channelKey(channel) {
+        if (typeof channel === 'string' && channel.trim().length > 0) {
+            return channel;
+        }
+        return 'Unknown';
+    }
+
     const nodeMap = new Map();
     nodes.forEach(n => nodeMap.set(n.id, n));
     function isInvalidCoord(node) { return !node || !node.lat || !node.long || node.lat===0 || node.long===0 || Number.isNaN(node.lat) || Number.isNaN(node.long); }
 
     // ---- Marker Plotting ----
     var bounds = L.latLngBounds();
-    var channels = new Set();
 
     nodes.forEach(node => {
         if (!isInvalidCoord(node)) {
-            let category = node.channel;
-            channels.add(category);
+            let category = channelKey(node.channel);
+            channelSet.add(category);
             let color = hashToColor(category);
 
             let popupContent = `<b><a href="/packet_list/${node.id}">${node.long_name}</a> (${node.short_name})</b><br>
@@ -209,6 +245,8 @@ loadTranslations().then(() => {
     if (customView) map.setView([customView.lat,customView.lng],customView.zoom);
     else map.fitBounds(areaBounds);
 
+    const channelList = Array.from(channelSet).sort();
+
     // ---- LocalStorage for Filter Preferences ----
     const FILTER_STORAGE_KEY = 'meshview_map_filters';
     
@@ -225,7 +263,7 @@ loadTranslations().then(() => {
             channels: {}
         };
         
-        channels.forEach(channel => {
+        channelList.forEach(channel => {
             let filterId = `filter-${channel.replace(/\s+/g, '-').toLowerCase()}`;
             let checkbox = document.getElementById(filterId);
             if (checkbox) {
@@ -259,7 +297,7 @@ loadTranslations().then(() => {
         document.getElementById("filter-routers-only").checked = false;
         
         // Reset all channel filters to checked (default)
-        channels.forEach(channel => {
+        channelList.forEach(channel => {
             let filterId = `filter-${channel.replace(/\s+/g, '-').toLowerCase()}`;
             let checkbox = document.getElementById(filterId);
             if (checkbox) {
@@ -286,7 +324,7 @@ loadTranslations().then(() => {
     filterLabel.textContent = t.show_routers_only || "Show Routers Only";
 
     let filterContainer = document.getElementById("filter-container");
-    channels.forEach(channel => {
+    channelList.forEach(channel => {
         let filterId = `filter-${channel.replace(/\s+/g,'-').toLowerCase()}`;
         let color = hashToColor(channel);
         let label = document.createElement('label');
@@ -302,7 +340,7 @@ loadTranslations().then(() => {
         document.getElementById("filter-routers-only").checked = savedFilters.routersOnly || false;
         
         // Apply channel filters
-        channels.forEach(channel => {
+        channelList.forEach(channel => {
             let filterId = `filter-${channel.replace(/\s+/g, '-').toLowerCase()}`;
             let checkbox = document.getElementById(filterId);
             if (checkbox && savedFilters.channels.hasOwnProperty(channel)) {
@@ -314,15 +352,19 @@ loadTranslations().then(() => {
     function updateMarkers() {
         let showRoutersOnly = document.getElementById("filter-routers-only").checked;
         nodes.forEach(node => {
-            let category=node.channel;
+            let category = channelKey(node.channel);
             let checkbox=document.getElementById(`filter-${category.replace(/\s+/g,'-').toLowerCase()}`);
-            let shouldShow=checkbox.checked && (!showRoutersOnly || node.isRouter);
+            let shouldShow=(!checkbox || checkbox.checked) && (!showRoutersOnly || node.isRouter);
             let marker=markerById[node.id];
             if(marker) marker.setStyle({fillOpacity:shouldShow?1:0});
         });
         
         // Save filters to localStorage whenever they change
         saveFiltersToLocalStorage();
+
+        if (!document.hidden) {
+            restartPacketFetcher();
+        }
     }
 
     document.querySelectorAll(".filter-checkbox").forEach(input=>input.addEventListener("change",updateMarkers));
@@ -338,7 +380,11 @@ loadTranslations().then(() => {
         const zoom = map.getZoom();
         const lat = center.lat.toFixed(6);
         const lng = center.lng.toFixed(6);
-        const shareUrl = `${window.location.origin}/map?lat=${lat}&lng=${lng}&zoom=${zoom}`;
+        const url = new URL(window.location.href);
+        url.searchParams.set('lat', lat);
+        url.searchParams.set('lng', lng);
+        url.searchParams.set('zoom', zoom);
+        const shareUrl = url.toString();
         navigator.clipboard.writeText(shareUrl).then(()=>{
             const orig = shareBtn.textContent;
             shareBtn.textContent = '✓ Link Copied!';
@@ -474,8 +520,25 @@ loadTranslations().then(() => {
         }).catch(err=>console.error(err));
     }
     let packetInterval=null;
-    function startPacketFetcher(){ if(mapInterval<=0) return; if(!packetInterval){ fetchLatestPacket(); packetInterval=setInterval(fetchNewPackets,mapInterval*1000); } }
+    function startPacketFetcher(resetImportTime=true){
+        if(mapInterval<=0) return;
+        if(!packetInterval){
+            if(resetImportTime || !lastImportTime){
+                fetchLatestPacket();
+            }
+            packetInterval=setInterval(fetchNewPackets,mapInterval*1000);
+            if(!resetImportTime && lastImportTime){
+                fetchNewPackets();
+            }
+        }
+    }
     function stopPacketFetcher(){ if(packetInterval){ clearInterval(packetInterval); packetInterval=null; } }
+    function restartPacketFetcher(){
+        if(mapInterval<=0) return;
+        stopPacketFetcher();
+        if(document.hidden) return;
+        startPacketFetcher(false);
+    }
     document.addEventListener("visibilitychange",function(){ if(document.hidden) stopPacketFetcher(); else startPacketFetcher(); });
     if(mapInterval>0) startPacketFetcher();
 });
diff --git a/meshview/templates/nodegraph.html b/meshview/templates/nodegraph.html
index 3d25625..e833a27 100644
--- a/meshview/templates/nodegraph.html
+++ b/meshview/templates/nodegraph.html
@@ -87,6 +87,12 @@
 <div id="mynetwork"></div>
 
 <div class="search-container">
+    <label for="activity-range" style="color:#333;">Active in:</label>
+    <select id="activity-range">
+        {% for value, label, _window in activity_filters %}
+        <option value="{{ value }}" {% if value == selected_activity %}selected{% endif %}>{{ label }}</option>
+        {% endfor %}
+    </select>
     <label for="channel-select" style="color:#333;">Channel:</label>
     <select id="channel-select" onchange="filterByChannel()"></select>
     <input type="text" id="node-search" placeholder="Search node...">
@@ -123,6 +129,25 @@
 </div>
 
 <script>
+const activityRangeSelect = document.getElementById('activity-range');
+const availableChannelsFromServer = {{ all_channels | default([], true) | tojson }};
+const urlParams = new URLSearchParams(window.location.search);
+const channelParam = urlParams.get('channel');
+let selectedChannel = {{ selected_channel | default('', true) | tojson }};
+const hasChannelSelection = value => value !== null && value !== undefined && value !== '';
+if (activityRangeSelect) {
+    activityRangeSelect.addEventListener('change', () => {
+        const url = new URL(window.location.href);
+        url.searchParams.set('active', activityRangeSelect.value);
+        if (hasChannelSelection(selectedChannel)) {
+            url.searchParams.set('channel', selectedChannel);
+        } else {
+            url.searchParams.delete('channel');
+        }
+        window.location.href = url.toString();
+    });
+}
+
 const chart = echarts.init(document.getElementById('mynetwork'));
 
 const colors = {
@@ -204,28 +229,62 @@ const edges = [
 
 let filteredNodes = [];
 let filteredEdges = [];
-let selectedChannel = 'LongFast';
 let lastSelectedNode = null;
+const nodeChannelSet = [...new Set(nodes.map(n => n.channel).filter(Boolean))];
+const channelOptions = Array.from(new Set([
+    ...availableChannelsFromServer.filter(Boolean),
+    ...nodeChannelSet,
+])).sort();
+
+if (!selectedChannel || !channelOptions.includes(selectedChannel)) {
+    if (channelParam && channelOptions.includes(channelParam)) {
+        selectedChannel = channelParam;
+    } else if (nodeChannelSet.length) {
+        selectedChannel = nodeChannelSet[0];
+    } else if (channelOptions.length) {
+        selectedChannel = channelOptions[0];
+    } else {
+        selectedChannel = null;
+    }
+}
 
 function populateChannelDropdown() {
     const sel = document.getElementById('channel-select');
-    const unique = [...new Set(nodes.map(n=>n.channel).filter(Boolean))].sort();
-    unique.forEach(ch=>{
+    channelOptions.forEach(ch=>{
         const opt = document.createElement('option');
         opt.value=ch; opt.text=ch;
-        if(ch==='LongFast') opt.selected=true;
+        if(selectedChannel && ch === selectedChannel) opt.selected=true;
         sel.appendChild(opt);
     });
-    selectedChannel = sel.value;
-    filterByChannel();
+    if (!selectedChannel && channelOptions.length) {
+        selectedChannel = channelOptions[0];
+        sel.value = selectedChannel;
+    }
+    filterByChannel(true);
 }
 
-function filterByChannel() {
-    selectedChannel = document.getElementById('channel-select').value;
-    filteredNodes = nodes.filter(n=>n.channel===selectedChannel);
+function filterByChannel(isInitial=false) {
+    const sel = document.getElementById('channel-select');
+    if (sel) {
+        selectedChannel = sel.value || selectedChannel;
+    }
+    if (hasChannelSelection(selectedChannel)) {
+        filteredNodes = nodes.filter(n=>n.channel===selectedChannel);
+    } else {
+        filteredNodes = [...nodes];
+    }
     const nodeSet = new Set(filteredNodes.map(n=>n.name));
     filteredEdges = edges.filter(e=>nodeSet.has(e.source) && nodeSet.has(e.target));
     lastSelectedNode=null;
+    if (!isInitial) {
+        const url = new URL(window.location.href);
+        if (hasChannelSelection(selectedChannel)) {
+            url.searchParams.set('channel', selectedChannel);
+        } else {
+            url.searchParams.delete('channel');
+        }
+        window.history.replaceState({}, '', url.toString());
+    }
     updateChart();
 }
 
diff --git a/meshview/web.py b/meshview/web.py
index d56db07..0cef68d 100644
--- a/meshview/web.py
+++ b/meshview/web.py
@@ -33,6 +33,17 @@ SEQ_REGEX = re.compile(r"seq \d+")
 SOFTWARE_RELEASE = "2.0.7 ~ 09-17-25"
 CONFIG = config.CONFIG
 
+ACTIVITY_FILTERS = [
+    ("1h", "Last 1 hour", timedelta(hours=1)),
+    ("8h", "Last 8 hours", timedelta(hours=8)),
+    ("1d", "Last 1 day", timedelta(days=1)),
+    ("3d", "Last 3 days", timedelta(days=3)),
+    ("7d", "Last 7 days", timedelta(days=7)),
+    ("total", "All time", None),
+]
+ACTIVITY_OPTIONS = {value: window for value, _label, window in ACTIVITY_FILTERS}
+DEFAULT_ACTIVITY_OPTION = "1d"
+
 env = Environment(loader=PackageLoader("meshview"), autoescape=select_autoescape())
 
 # Start Database
@@ -186,6 +197,17 @@ def format_timestamp(timestamp):
 env.filters["node_id_to_hex"] = node_id_to_hex
 env.filters["format_timestamp"] = format_timestamp
 
+
+def resolve_activity_window(
+    raw_value: str | None, default_key: str = DEFAULT_ACTIVITY_OPTION
+):
+    default_key = default_key if default_key in ACTIVITY_OPTIONS else DEFAULT_ACTIVITY_OPTION
+    if raw_value:
+        normalized = raw_value.strip().lower()
+        if normalized in ACTIVITY_OPTIONS:
+            return normalized, ACTIVITY_OPTIONS[normalized]
+    return default_key, ACTIVITY_OPTIONS[default_key]
+
 routes = web.RouteTableDef()
 
 
@@ -1181,7 +1203,16 @@ async def net(request):
 @routes.get("/map")
 async def map(request):
     try:
-        nodes = await store.get_nodes(days_active=3)
+        activity_param = request.query.get("active")
+        if not activity_param:
+            legacy_days = request.query.get("days_active")
+            if legacy_days and legacy_days.isdigit():
+                activity_param = "total" if legacy_days == "0" else f"{legacy_days}d"
+
+        selected_activity, activity_window = resolve_activity_window(activity_param)
+
+        nodes = await store.get_nodes(active_within=activity_window)
+        all_channels = await store.get_all_channels()
 
         # Filter out nodes with no latitude
         nodes = [node for node in nodes if node.last_lat is not None]
@@ -1214,6 +1245,10 @@ async def map(request):
             text=template.render(
                 nodes=nodes,
                 custom_view=custom_view,
+                activity_filters=ACTIVITY_FILTERS,
+                selected_activity=selected_activity,
+                default_activity=DEFAULT_ACTIVITY_OPTION,
+                all_channels=all_channels,
                 site_config=CONFIG,
                 SOFTWARE_RELEASE=SOFTWARE_RELEASE,
             ),
@@ -1352,22 +1387,40 @@ async def chat(request):
 # Assuming the route URL structure is /nodegraph
 @routes.get("/nodegraph")
 async def nodegraph(request):
-    nodes = await store.get_nodes(days_active=3)  # Fetch nodes for the given channel
-    node_ids = set()
+    activity_param = request.query.get("active")
+    if not activity_param:
+        legacy_days = request.query.get("days_active")
+        if legacy_days and legacy_days.isdigit():
+            activity_param = "total" if legacy_days == "0" else f"{legacy_days}d"
+
+    selected_activity, activity_window = resolve_activity_window(activity_param)
+
+    nodes = await store.get_nodes(active_within=activity_window)
+    all_channels = await store.get_all_channels()
+    channel_param = request.query.get("channel")
+    node_channel_candidates = sorted({node.channel for node in nodes if node.channel})
+
+    if channel_param and channel_param in node_channel_candidates:
+        selected_channel = channel_param
+    elif channel_param and channel_param in all_channels:
+        selected_channel = channel_param
+    elif node_channel_candidates:
+        selected_channel = node_channel_candidates[0]
+    elif all_channels:
+        selected_channel = all_channels[0]
+    else:
+        selected_channel = None
+
+    active_node_ids = {node.node_id for node in nodes}
     edges_map = defaultdict(
         lambda: {"weight": 0, "type": None}
     )  # weight is based on the number of traceroutes and neighbor info packets
-    used_nodes = set()  # This will track nodes involved in edges (including traceroutes)
     since = datetime.timedelta(hours=48)
     traceroutes = []
 
     # Fetch traceroutes
     async for tr in store.get_traceroutes(since):
-        node_ids.add(tr.gateway_node_id)
-        node_ids.add(tr.packet.from_node_id)
-        node_ids.add(tr.packet.to_node_id)
         route = decode_payload.decode_payload(PortNum.TRACEROUTE_APP, tr.route)
-        node_ids.update(route.route)
 
         path = [tr.packet.from_node_id]
         path.extend(route.route)
@@ -1383,18 +1436,12 @@ async def nodegraph(request):
             edge_pair = (path[i], path[i + 1])
             edges_map[edge_pair]["weight"] += 1
             edges_map[edge_pair]["type"] = "traceroute"
-            used_nodes.add(path[i])  # Add all nodes in the traceroute path
-            used_nodes.add(path[i + 1])  # Add all nodes in the traceroute path
 
     # Fetch NeighborInfo packets
     for packet in await store.get_packets(portnum=PortNum.NEIGHBORINFO_APP, after=since):
         try:
             _, neighbor_info = decode_payload.decode(packet)
-            node_ids.add(packet.from_node_id)
-            used_nodes.add(packet.from_node_id)
             for node in neighbor_info.neighbors:
-                node_ids.add(node.node_id)
-                used_nodes.add(node.node_id)
 
                 edge_pair = (node.node_id, packet.from_node_id)
                 edges_map[edge_pair]["weight"] += 1
@@ -1403,7 +1450,16 @@ async def nodegraph(request):
             logger.error(f"Error decoding NeighborInfo packet: {e}")
 
     # Convert edges_map to a list of dicts with colors
-    max_weight = max(i['weight'] for i in edges_map.values()) if edges_map else 1
+    filtered_edge_items = [
+        ((frm, to), info)
+        for (frm, to), info in edges_map.items()
+        if frm in active_node_ids and to in active_node_ids
+    ]
+    max_weight = (
+        max(info["weight"] for _, info in filtered_edge_items)
+        if filtered_edge_items
+        else 1
+    )
     edges = [
         {
             "from": frm,
@@ -1411,17 +1467,25 @@ async def nodegraph(request):
             "type": info["type"],
             "weight": max([info['weight'] / float(max_weight) * 10, 1]),
         }
-        for (frm, to), info in edges_map.items()
+        for (frm, to), info in filtered_edge_items
     ]
 
     # Filter nodes to only include those involved in edges (including traceroutes)
-    nodes_with_edges = [node for node in nodes if node.node_id in used_nodes]
+    connected_node_ids = {
+        node_id for edge in edges for node_id in (edge["from"], edge["to"])
+    }
+    nodes_with_edges = [node for node in nodes if node.node_id in connected_node_ids]
 
     template = env.get_template("nodegraph.html")
     return web.Response(
         text=template.render(
             nodes=nodes_with_edges,
             edges=edges,  # Pass edges with color info
+            activity_filters=ACTIVITY_FILTERS,
+            selected_activity=selected_activity,
+            default_activity=DEFAULT_ACTIVITY_OPTION,
+            all_channels=all_channels,
+            selected_channel=selected_channel,
             site_config=CONFIG,
             SOFTWARE_RELEASE=SOFTWARE_RELEASE,
         ),
@@ -1572,17 +1636,20 @@ async def api_nodes(request):
         role = request.query.get("role")
         channel = request.query.get("channel")
         hw_model = request.query.get("hw_model")
-        days_active = request.query.get("days_active")
+        activity_param = request.query.get("active")
+        if not activity_param:
+            legacy_days = request.query.get("days_active")
+            if legacy_days and legacy_days.isdigit():
+                activity_param = "total" if legacy_days == "0" else f"{legacy_days}d"
 
-        if days_active:
-            try:
-                days_active = int(days_active)
-            except ValueError:
-                days_active = None
+        _, activity_window = resolve_activity_window(activity_param, default_key="total")
 
         # Fetch nodes from database using your get_nodes function
         nodes = await store.get_nodes(
-            role=role, channel=channel, hw_model=hw_model, days_active=days_active
+            role=role,
+            channel=channel,
+            hw_model=hw_model,
+            active_within=activity_window,
         )
 
         # Prepare the JSON response