diff --git a/14062899_pm25.csv b/14062899_pm25.csv
index 24ddbc42b45ddffcee97034b201e7a61b3974272..b02422cd2ceb12d7f760ca85f97cf3bc0efc6e6f 100644
--- a/14062899_pm25.csv
+++ b/14062899_pm25.csv
@@ -4325,3 +4325,4 @@ timestamp,value
 2025-03-13T12:01:15.236877,1.15
 2025-03-13T12:18:48.523019,1.13
 2025-03-13T12:36:10.494590,1.20
+2025-03-13T12:53:34.513450,1.00