Noisiest still operational has to be the Tu154. Not the more recent Tu154-M which operates into Western Europe but the original Tu154 with different engines, now well beyond western noise regulations. There are still plenty of them around in Russia, even with the major carriers.
The Il62 went through the same mid-life engine change to the Il62-M but I don't believe any of the originals are still going, though I saw one of the last Kras Air ones perform an elegant, smoky departure from St Petersburg just a couple of years ago.