diff --git a/14062899_pm25.csv b/14062899_pm25.csv
index 55f0f61e347b4b2f79d8cf700affd63151654a86..dd8dc7f3f6a40280986a2110090353ec9d617129 100644
--- a/14062899_pm25.csv
+++ b/14062899_pm25.csv
@@ -669,3 +669,4 @@ timestamp,value
 2025-01-29T12:06:01.461463,0.93
 2025-01-29T12:23:00.895463,1.00
 2025-01-29T12:40:00.778706,0.80
+2025-01-29T12:57:01.916722,0.52