diff --git a/14062899_pm25.csv b/14062899_pm25.csv
index 340f2a8a30a956bd217b6b438c34cbc7556f6dd3..d5e42e6f28a2ce8506a868c329fd5d62ebc86bab 100644
--- a/14062899_pm25.csv
+++ b/14062899_pm25.csv
@@ -91,3 +91,4 @@ timestamp,value
 2025-01-22T16:56:13.389868,3.60
 2025-01-22T17:13:16.174637,3.33
 2025-01-22T17:30:22.104882,3.60
+2025-01-22T17:47:21.376533,4.20