diff --git a/14062899_pm25.csv b/14062899_pm25.csv
index 98eb4d11cc39cca81d8284b52a8c6c945947ff67..f3ececaaabe46d8371ff4cd4b1a35023d908788b 100644
--- a/14062899_pm25.csv
+++ b/14062899_pm25.csv
@@ -690,3 +690,4 @@ timestamp,value
 2025-01-29T18:02:57.743118,0.90
 2025-01-29T18:19:56.655590,0.57
 2025-01-29T18:36:55.953806,0.70
+2025-01-29T18:53:56.125045,0.80