diff --git a/aqimon/database.py b/aqimon/database.py
index 55b46e9..8bef5b6 100644
--- a/aqimon/database.py
+++ b/aqimon/database.py
@@ -154,6 +154,11 @@ async def clean_old(dbconn: databases.Database, retention_minutes: int) -> None:
         values={"last_week_timestamp": last_week_timestamp},
     )
 
+    await dbconn.execute(
+        "DELETE FROM epa_aqi_log WHERE event_time < :last_week_timestamp",
+        values={"last_week_timestamp": last_week_timestamp},
+    )
+
 
 async def add_epa_read(
     dbconn: databases.Database,
diff --git a/logo.svg b/logo.svg
index 2c35430..78dea91 100644
--- a/logo.svg
+++ b/logo.svg
@@ -25,8 +25,8 @@
      inkscape:document-units="mm"
      showgrid="false"
      inkscape:zoom="1.9855336"
-     inkscape:cx="399.64068"
-     inkscape:cy="382.01317"
+     inkscape:cx="400.14432"
+     inkscape:cy="382.51682"
      inkscape:window-width="1846"
      inkscape:window-height="1016"
      inkscape:window-x="0"
@@ -59,7 +59,7 @@
        x="74.249962"
        y="87.855034"
        inkscape:label="sky"
-       inkscape:export-filename="../ca8f2e9/aqimon.png"
+       inkscape:export-filename="../755c25f7/aqimon.png"
        inkscape:export-xdpi="86.136803"
        inkscape:export-ydpi="86.136803" />
     <path
diff --git a/tests/test_database.py b/tests/test_database.py
index 354b2bf..44380b4 100644
--- a/tests/test_database.py
+++ b/tests/test_database.py
@@ -245,10 +245,45 @@ async def test_clean_old(database_conn):
     current_time = datetime.now()
     await database.add_read(database_conn, current_time - timedelta(hours=2), pm10=1, pm25=2)
     await database.add_read(database_conn, current_time - timedelta(hours=4), pm10=2, pm25=3)
+
+    await database.add_epa_read(
+        database_conn,
+        current_time - timedelta(hours=2),
+        epa_aqi=1,
+        pollutant="test",
+        read_count=10,
+        oldest_read_time=datetime.now(),
+    )
+    await database.add_epa_read(
+        database_conn,
+        current_time - timedelta(hours=4),
+        epa_aqi=2,
+        pollutant="test",
+        read_count=10,
+        oldest_read_time=datetime.now(),
+    )
+
     # These should be deleted
     await database.add_read(database_conn, current_time - timedelta(hours=6), pm10=3, pm25=4)
     await database.add_read(database_conn, current_time - timedelta(hours=8), pm10=4, pm25=5)
 
+    await database.add_epa_read(
+        database_conn,
+        current_time - timedelta(hours=6),
+        epa_aqi=3,
+        pollutant="test",
+        read_count=10,
+        oldest_read_time=datetime.now(),
+    )
+    await database.add_epa_read(
+        database_conn,
+        current_time - timedelta(hours=8),
+        epa_aqi=4,
+        pollutant="test",
+        read_count=10,
+        oldest_read_time=datetime.now(),
+    )
+
     await database.clean_old(database_conn, retention_minutes=(60 * 4) + 30)
 
     result = await database.get_all_reads(database_conn, lookback=None)
@@ -256,6 +291,11 @@ async def test_clean_old(database_conn):
     assert result[0].event_time == (current_time - timedelta(hours=4)).replace(microsecond=0)
     assert result[1].event_time == (current_time - timedelta(hours=2)).replace(microsecond=0)
 
+    result2 = await database.get_all_epa_aqis(database_conn, lookback=None)
+    assert len(result2) == 2
+    assert result2[0].event_time == (current_time - timedelta(hours=4)).replace(microsecond=0)
+    assert result2[1].event_time == (current_time - timedelta(hours=2)).replace(microsecond=0)
+
 
 @pytest.mark.asyncio
 async def test_add_read(database_conn):