Prime Day deals are almost over but there are still some fantastic discounts to be had on the best air purifiers on the market. We’ve fully tested all of the best air purifiers, rated and reviewed them and so we can personally vouch for their quality and air purifying qualities.As well as covering the best air purifiers for allergies we’ve spied some top-notch deals over Prime Day and our top pick today is a $100 saving on the BlueAir Blue Pure 311i Max now reduced on Amazon.Check out this deal on what we’ve named the best air purifier overall, the Levoit Core 600S was $299.99 and is now $237.49.Top Prime Day air purifier deals todayBest Prime Day air purifier deals: Our top picks for small to medium spacesBest Prime Day air purifier deals: Our top picks for large spacesRead our Amazon Prime Day science deals page for big discounts on the best health and fitness kit and science gear as we enter the summer sales event.Today’s best Blueair Blue Pure 411i Max, GermGuardian AC5250PT, Turonic PH950 Air Purifier, Molekule Air Mini+, Molekule Air Pro, Coway AP1512HH, Levoit Vital 200s Smart True HEPA Air Purifier, Levoit Core 300S Smart True Hepa Air Purifier, HoMedics 5-in-1 Air Purifier and Levoit Core 600S dealsCheck out our other guides to the best air purifiers, air purifiers for allergies, the best telescopes, microscopes for students, binoculars, rowing machines, electric toothbrushes and more.Get the world’s most fascinating discoveries delivered straight to your inbox.