Blog

Notes on air, health, and living in Delhi NCR.

Plain-language reads on indoor air quality, pollution data, and what actually helps — not just product talk.

Why Room Air Purifiers Aren't Enough for Whole-Home Air Quality

Room purifiers clean the air you've already breathed — they don't solve the bigger problem of stale, recirculated indoor air across your whole home.

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Understanding AQI: What "Under 20" Really Means for Your Lungs

AQI numbers get thrown around constantly during Delhi winters — here's what the scale actually measures, and why the difference between 20 and 300 matters more than you'd think.

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The Hidden Cost of Indoor Air: CO₂, Stuffiness, and the Pettenkofer Number

Fatigue and poor concentration indoors aren't always about sleep — closed, recirculated rooms quietly build up CO₂ well past healthy limits.

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Delhi's Air Pollution Problem: What the Data Actually Shows

A look at the numbers behind Delhi NCR's air — from life expectancy impact to how far outdoor pollution levels exceed global health guidelines.

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