diff --git a/14062899_pm25.csv b/14062899_pm25.csv
index ff2bcb498c62bb30f0c8a35ffb74e0805a5f2b35..3f790b5dc5f26ad5187322b738164642b33c0774 100644
--- a/14062899_pm25.csv
+++ b/14062899_pm25.csv
@@ -784,3 +784,4 @@ timestamp,value
 2025-01-30T20:40:10.383708,4.22
 2025-01-30T20:57:09.821939,4.45
 2025-01-30T21:14:08.942670,3.97
+2025-01-30T21:31:08.599983,4.05