diff --git a/14062899_pm25.csv b/14062899_pm25.csv
index 4bbf701d0ee89cd3bf43fb96a0f3b99623c3b4fa..7f52102c0a99ea0b55e346acfc1448f819d2e962 100644
--- a/14062899_pm25.csv
+++ b/14062899_pm25.csv
@@ -21,3 +21,4 @@ timestamp,value
 2025-01-21T21:05:51.975912,8.85
 2025-01-21T21:22:52.531051,8.57
 2025-01-21T21:39:51.465300,8.95
+2025-01-21T21:56:53.595889,8.88