diff --git a/14062899_pm25.csv b/14062899_pm25.csv
index 23d76ef3acf6b78c49026175c0edc1732cd73c4d..1a9b5e381431fa9412c3b1b49ea75876e5d7823c 100644
--- a/14062899_pm25.csv
+++ b/14062899_pm25.csv
@@ -239,3 +239,4 @@ timestamp,value
 2025-01-24T10:48:44.490151,0.90
 2025-01-24T11:05:44.511502,1.20
 2025-01-24T11:22:45.347736,1.02
+2025-01-24T11:39:46.081487,0.98