You shut the door on the hazy grey sky. You sealed the windows tight. You did everything right to escape the city’s toxic air. But what if the real threat never left? Invisible and odourless, a swirl of fine particles, allergens and chemical vapours might already be hanging in the air around you and quietly turning your living room into a health hazard.

This isn’t paranoia, it is the new reality. The air quality across the Delhi-NCR region has spiralled dangerously, with AQI readings frequently shooting into the “severe” zone. Recent CPCB data shows hotspots like Ghaziabad, Noida and several pockets of Delhi routinely breaching 350+. Across the border, Haryana’s Jind and Rohtak are battling some of the worst numbers, while Punjab’s Ludhiana and Mandi Gobindgarh are also seeing alarming di

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