diff --git a/14062899_pm25.csv b/14062899_pm25.csv
index 4e399660448de7d57b6b0e7158a56f14a0a84332..53c0102699908a2a24e457f4cd90a1d3b0c6885c 100644
--- a/14062899_pm25.csv
+++ b/14062899_pm25.csv
@@ -870,3 +870,4 @@ timestamp,value
 2025-01-31T20:26:29.982880,5.28
 2025-01-31T20:43:53.501340,4.43
 2025-01-31T21:01:20.468949,4.05
+2025-01-31T21:16:31.495345,3.67