diff --git a/logfire/_internal/integrations/system_metrics.py b/logfire/_internal/integrations/system_metrics.py
index 4eb5522f1..9a4d76ec6 100644
--- a/logfire/_internal/integrations/system_metrics.py
+++ b/logfire/_internal/integrations/system_metrics.py
@@ -31,6 +31,7 @@
         'system.cpu.simple_utilization',
         'system.cpu.time',
         'system.cpu.utilization',
+        'system.cpu.load_average.1m',
         'system.memory.usage',
         'system.memory.utilization',
         'system.swap.usage',
@@ -43,6 +44,7 @@
         'system.network.errors',
         'system.network.io',
         'system.network.connections',
+        'system.processes.count',
         'system.thread_count',
         'process.open_file_descriptor.count',
         'process.context_switches',
@@ -62,6 +64,7 @@
     'system.cpu.simple_utilization',
     'system.cpu.time',
     'system.cpu.utilization',
+    'system.cpu.load_average.1m',
     'system.memory.usage',
     'system.memory.utilization',
     'system.swap.usage',
@@ -74,6 +77,7 @@
     'system.network.errors',
     'system.network.io',
     'system.network.connections',
+    'system.processes.count',
     'system.thread_count',
     'process.open_file_descriptor.count',
     'process.context_switches',
@@ -109,6 +113,11 @@
     'process.cpu.core_utilization': None,
     'system.cpu.time': CPU_FIELDS,
     'system.cpu.utilization': CPU_FIELDS,
+    # The Hosts page reads these — upstream `_DEFAULT_CONFIG` doesn't include
+    # them and they aren't expensive (one number per scrape each), so add them
+    # so `base='full'` covers the page without a follow-up `config={…}` knob.
+    'system.cpu.load_average.1m': None,
+    'system.processes.count': None,
     # For usage, knowing the total amount of bytes available might be handy.
     'system.memory.usage': MEMORY_FIELDS + ['total'],
     # For utilization, the total is always just 1 (100%), so it's not included.
@@ -173,6 +182,14 @@ def instrument_system_metrics(logfire_instance: Logfire, config: Config | None =
         measure_process_cpu_utilization(logfire_instance)
         del config['process.cpu.utilization']
 
+    if 'system.cpu.load_average.1m' in config:
+        measure_system_cpu_load_average_1m(logfire_instance)
+        del config['system.cpu.load_average.1m']
+
+    if 'system.processes.count' in config:
+        measure_system_processes_count(logfire_instance)
+        del config['system.processes.count']
+
     instrumentor = SystemMetricsInstrumentor(config=config)  # pyright: ignore[reportArgumentType]
     instrumentor.instrument(meter_provider=logfire_instance.config.get_meter_provider())
 
@@ -248,3 +265,41 @@ def callback(_options: CallbackOptions) -> Iterable[Observation]:
         description='Runtime CPU utilization, not divided by the number of available cores.',
         unit='core',
     )
+
+
+def measure_system_cpu_load_average_1m(logfire_instance: Logfire):
+    """1-minute system load average (run-queue length, smoothed).
+
+    Upstream `SystemMetricsInstrumentor` doesn't include this metric; we add it
+    so `base='full'` covers the Hosts page's `Load 1m` column. On Windows,
+    `psutil.getloadavg()` is an emulated polling shim — first call returns 0
+    and subsequent values update every ~5s.
+    """
+
+    def callback(_options: CallbackOptions) -> Iterable[Observation]:
+        yield Observation(psutil.getloadavg()[0])
+
+    logfire_instance.metric_gauge_callback(
+        'system.cpu.load_average.1m',
+        [callback],
+        description='Average system load over the last minute.',
+        unit='{run_queue_item}',
+    )
+
+
+def measure_system_processes_count(logfire_instance: Logfire):
+    """Total number of processes on the system.
+
+    Upstream `SystemMetricsInstrumentor` doesn't include this metric; we add
+    it so `base='full'` covers the Hosts page's `Procs` column.
+    """
+
+    def callback(_options: CallbackOptions) -> Iterable[Observation]:
+        yield Observation(len(psutil.pids()))
+
+    logfire_instance.metric_gauge_callback(
+        'system.processes.count',
+        [callback],
+        description='Total number of processes on the system.',
+        unit='{process}',
+    )
diff --git a/tests/otel_integrations/test_system_metrics.py b/tests/otel_integrations/test_system_metrics.py
index ea30702b2..a25876ea2 100644
--- a/tests/otel_integrations/test_system_metrics.py
+++ b/tests/otel_integrations/test_system_metrics.py
@@ -67,6 +67,7 @@ def test_all_system_metrics_collection(metrics_reader: InMemoryMetricReader) ->
             'process.open_file_descriptor.count',
             'process.runtime.cpython.gc_count',
             'process.thread.count',
+            'system.cpu.load_average.1m',
             'system.cpu.simple_utilization',
             'system.cpu.time',
             'system.cpu.utilization',
@@ -79,6 +80,7 @@ def test_all_system_metrics_collection(metrics_reader: InMemoryMetricReader) ->
             'system.network.errors',
             'system.network.io',
             'system.network.packets',
+            'system.processes.count',
             'system.swap.usage',
             'system.swap.utilization',
             'system.thread_count',
@@ -92,6 +94,18 @@ def test_measure_process_runtime_cpu_utilization(metrics_reader: InMemoryMetricR
     assert get_collected_metric_names(metrics_reader) == ['process.runtime.cpython.cpu.utilization']
 
 
+def test_system_cpu_load_average_1m(metrics_reader: InMemoryMetricReader) -> None:
+    """Load average isn't in upstream `SystemMetricsInstrumentor` — Logfire emits it."""
+    logfire.instrument_system_metrics({'system.cpu.load_average.1m': None}, base=None)
+    assert get_collected_metric_names(metrics_reader) == ['system.cpu.load_average.1m']
+
+
+def test_system_processes_count(metrics_reader: InMemoryMetricReader) -> None:
+    """Process count isn't in upstream `SystemMetricsInstrumentor` — Logfire emits it."""
+    logfire.instrument_system_metrics({'system.processes.count': None}, base=None)
+    assert get_collected_metric_names(metrics_reader) == ['system.processes.count']
+
+
 def test_custom_system_metrics_collection(metrics_reader: InMemoryMetricReader) -> None:
     logfire.instrument_system_metrics(
         {
@@ -186,6 +200,8 @@ def test_full_base():
         'cpython.gc.collected_objects': None,
         'cpython.gc.collections': None,
         'cpython.gc.uncollectable_objects': None,
+        'system.cpu.load_average.1m': None,
+        'system.processes.count': None,
     }, 'Docs and the MetricName type need to be updated if this test fails'