Ender 3 first print some area is smooth but some is rough? Please check following image, Dog looks smooth from left side but its rough from right side , similar on back too.

What could have caused this ?



Can it be due to moisture due to Air Conditioner in my room ?
It is most likely caused by inadequate part-cooling due to poor air-flow. Fit a [better] part cooling fan. There are plenty of designs on Thingiverse.

You may also be able to resolve the issue by adjusting the printing temperature, but the easiest solution is to install a good part-cooling fan.