New Delhi, Jan. 23 -- Living in Bengaluru once came with this quiet badge of honor, a subtle flex even-better air quality than most Indian metros. That "at least we can breathe" flex has been fading fast, with construction dust, rising traffic and a shrinking green cover pushing air quality from refreshing to concerning far more often than we'd like to admit. Elsewhere, the situation is undeniably more severe and is no longer seasonal but structural. That's where the Dyson HushJet Air Purifier ( Rs.29,900) enters the chat. Designed for small spaces such as bedrooms and offices, can the oxymoronically named Hush-jet be the last line of defense?

Now, you know a Dyson air purifier when you see one, what with their tall looped, lollipop-like...