If you have a blog with enough traffic that will make you happy with the amount of income you'll get on, Then yes
Without knowing anything like topic of blog and ad placement let's say that for an overall CTR of 5% with $0.1 per clic you'll earn between $0.5 and $1 a day. But with bad ad placement and a bad paying niche, could be as low at $0.1 per day.