I have imported a table that consists of data within 4282 rows and 4 columns in Matlab as in the figure above..when I plot all variables(Times, Current, Air, and H2) in one graph it will generate noisy data. I need to know Matlab codes to filter them to get the smooth line?

1 TiO2 samples.xlsx X N A B D TiO2 samples Times CurrentA AIR H2 Number Number Number Number 1 Time (s) Current (A) 10, AIR 14,H2 0.9200 1.0830e-10 49.9200 0.9000 3 1.6900 -2.2979e-11 49.9800 0.9000 4. 2.4700 -1.2736e-09 50.1200 0.9000 5 3.2500 -8.1350e-10 50.1800 0.9000 6 4.0200 1.2534e-09 50.2000 0.9000 7 4.8000 9.7785e-10 51.1600 0.9000 8 5.5800 7.5721e-11 49.8200 0.9000 9 6.3600 5.0755e-11 50.0200 0.9000 10 7.1300 1.5102e-11 50.1300 0.9000 11 7.9100 -4.3091e-12 50.1700 0.9000 12 8.6900 4.4209e-11 50.2600 0.9000 13 9.4600 1.1832e-101 51 0.90001