diff --git a/14062899_pm25.csv b/14062899_pm25.csv
index 40c6b93f19604c6cab98b100a1caa8f09bed5da1..d7f68db902a437cfd77a032f3bce91b34fc0e19c 100644
--- a/14062899_pm25.csv
+++ b/14062899_pm25.csv
@@ -914,3 +914,4 @@ timestamp,value
 2025-02-01T08:24:57.439335,1.45
 2025-02-01T08:40:12.712772,1.60
 2025-02-01T08:55:52.695287,1.67
+2025-02-01T09:11:39.218952,1.40