diff --git a/14062899_pm25.csv b/14062899_pm25.csv
index bf31c9d3f4d39e8a482c9b854489f6a74f63164d..fa9fc8e0b8e77af36f6eca45489a179c5a6629b9 100644
--- a/14062899_pm25.csv
+++ b/14062899_pm25.csv
@@ -231,3 +231,4 @@ timestamp,value
 2025-01-24T08:32:28.723660,1.27
 2025-01-24T08:49:28.386291,0.90
 2025-01-24T09:06:27.606150,0.98
+2025-01-24T09:23:31.510453,1.20