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Airnest Core air purifier by a closed bedroom window on Diwali night, with fireworks over the city outside
Diwali air purifier guide: a night-of plan for cleaner indoor air
A simple Diwali-night plan for cleaner indoor air: when to close windows, where to run your H13 HEPA air purifier, and how to size it to your room. Read more...
Airnest Core air purifier on a wooden bedside table next to a glowing lamp in a calm bedroom at night
Best air purifier under 5000 for a bedroom in India (2026): what to check before you buy
If you're shopping for the best air purifier under 5000, you have probably noticed that almost every listing says the same things: "HEPA", "whisper-quiet", "covers up to 400 sq ft".... Read more...
City skyline on a clear morning at left, fading into haze tinted in AQI colours from green to maroon at right
AQI 300 is good or bad? What Delhi's AQI levels 300, 400 and 500 mean, and what to do
Every winter the app says 300, then 412. AQI 300 is good or bad? What does AQI 400 mean for the school run, or Dadi's morning walk? This guide explains,... Read more...