I would recommend reviewing your setup to ensure you are optimized for a high EPMV.
Here are a couple of quick tips if you want to improve EPMV right now -
1.) Ensure you have enough placeholders on all devices
2.) Make sure all existing ads are wrapped
3.) Link AdSense via Mediation
4.) Turn on Ezoic Caching
5.) Try Leap
Also, feel free to check out this interactive article on how to improve your EPMV -
https://www.ezoic.com/epmv-your-website/