I can see both sides of it. My neighbor lets his dog out about 8:AM and the barking sometimes wakes me up and I'm not pleased. But I can't complain. He's a dog. He barks like dogs do and it's usually over in a few minutes. No big deal.
At the risk of stoking countrygirl12's ire, 6:30AM is waaaaay too early to be mowing a lawn.
I had a guy used to power blow his leaves in the fall and it was annoying, but that was around 8:AM as well.
All neighborhoods have City Ordinances. Typically you can't make noise from 9 or 10:PM to 7 or 8:AM depending on your town.
No all of them don't. There is not one where I live. And def would not be as late as 10:00 am. smh
There are a lot of people who mow early in the morning when it is cool. Some people can't mow when it is in the upper 90s. Most of my neighbors work so they are not laying in the bed all day anyway.
No, I said in some places they have noise ordinances after 10:PM, not AM. I think in most places it's 9:PM though.
Look, I make no apologies. I don't have to get up until 9, sometimes 9:30, so I realize that's 'late' for some people. So I don't complain about people making noise at 7 or 8 AM. But,anything earlier than that -unless you work on a farm- is too early for noise. 
And I make no apologies. I can't mow when it is in the upper 90s so I have to do it when it is cool. It has been a pretty hot summer and really dry so actually have not had to mow that often. Most people in my neighborhood could care less.
As far as I know there are no noise ordinances in my town. And it would have to specifically state no mowing your yard or what type of noise applies. If there are they are not enforced. The worse thing that would happen is a police officer would say don't do that.
I think it is ridiculous to expect anybody to wait til after 9 to start mowing because you want to sleep. Not YOU personally.
Like I said before I don't care too much what anybody does as long as they leave me alone.