diff --git a/14062899_pm25.csv b/14062899_pm25.csv
index 558f446b952777f87ff66f0ed52f07af361496ea..700cde54ce320c261d0d1267cbc0aad9300984d6 100644
--- a/14062899_pm25.csv
+++ b/14062899_pm25.csv
@@ -63,3 +63,4 @@ timestamp,value
 2025-01-22T08:58:44.772011,3.97
 2025-01-22T09:15:46.781935,3.75
 2025-01-22T09:32:47.297525,3.90
+2025-01-22T09:49:46.113748,3.45