India, Jan. 5 -- Air pollution has stopped feeling like an event. It's just there. In the morning news, on weather apps, and in the way your house feels by evening. That's changed how people look at air purifiers. They're no longer emergency purchases pulled out during a bad week, but appliances expected to run quietly for months at a stretch. Some homes want the reliability of something like the Coway AirMega Storm, others need the sheer coverage of a Shark HP300 for open living spaces. There are people who like the reassurance of watching AQI numbers change on a Honeywell Air Touch V5, and others who simply want allergy relief from a Winix without thinking about it. Even car purifiers from Qubo make sense if traffic is part of your day....