diff --git a/14062899_pm25.csv b/14062899_pm25.csv
index 700fe1653246d9085eb5bb656da51785888ac591..68a0f2b38fbc4e2c129b5b71abcd5c887929dfd2 100644
--- a/14062899_pm25.csv
+++ b/14062899_pm25.csv
@@ -571,3 +571,4 @@ timestamp,value
 2025-01-28T08:20:20.163644,0.90
 2025-01-28T08:37:19.998627,1.20
 2025-01-28T08:54:19.008950,0.98
+2025-01-28T09:11:22.769820,0.73