As of block 788495 the #bitcoin mempool contains about 280,366 unconfirmed transactions.
An estimated 220,527 transactions or ~79% appear to be related to ordinals, filling over 37% of the total mempool storage space.
--
total #mempool size: 141 MvB
ord transactions size: ~52 MvB
addtl. miner fees: 454,076,367 sats