diff --git a/cardiff_newport_road/CNPR_NO_2024.csv b/cardiff_newport_road/CNPR_NO_2024.csv
index 7bc93501..f4f000c0 100644
--- a/cardiff_newport_road/CNPR_NO_2024.csv
+++ b/cardiff_newport_road/CNPR_NO_2024.csv
@@ -1,4 +1,4 @@
-Data supplied by UK-AIR on 20/10/2024
+Data supplied by UK-AIR on 21/10/2024
 All Data GMT hour ending  
 Rows begining ## are Provisional
 Cardiff Newport Road Nitric oxide ug/m-3
@@ -296,3 +296,4 @@ Cardiff Newport Road Nitric oxide ug/m-3
 ##17-10-2024,0.00000,0.00000,0.00000,0.00000,4.61501,5.48812,49.64254,68.97569,26.69222,1.74622,3.74190,1.87095,3.11825,1.49676,1.74622,1.62149,1.37203,1.12257,1.12257,0.00000,0.62365,0.00000,6.11177,19.33315
 ##18-10-2024,0.12473,1.87095,4.11609,13.09665,21.70302,43.15658,82.44653,3.49244,2.49460,2.74406,1.62149,1.12257,1.74622,0.74838,0.49892,1.12257,1.12257,0.37419,4.61501,3.49244,3.86663,0.00000,0.00000,0.00000
 ##19-10-2024,0.00000,0.00000,0.37419,0.00000,0.00000,0.87311,0.12473,1.74622,3.74190,4.61501,2.24514,1.49676,1.24730,0.99784,0.74838,0.99784,0.62365,0.24946,5.86231,40.78671,56.62742,1.12257,0.00000,0.87311
+##20-10-2024,3.36771,0.00000,1.62149,3.74190,0.37419,0.74838,0.00000,0.12473,1.49676,1.24730,0.62365,0.87311,1.37203,0.87311,0.87311,0.74838,1.49676,2.49460,1.87095,0.62365,0.00000,0.12473,0.00000,0.00000