New Delhi, Nov. 20 -- Every winter, Delhi's 30 million residents brace for a familiar yet exhausting crisis - air quality plunging to hazardous levels, daily routines collapsing, and parents scrambling to protect their children from toxic smog. This year has been no different, with AQI readings once again forcing schools to shut and families to make difficult choices.

Amid this, a thought-provoking LinkedIn post by Delhi-based Akshay Verma, Co-founder of FITPASS, has struck a chord with thousands of parents. In his post, Verma writes about how even his 3-year-old son now has to learn an unexpected new concept: AQI.

"One week he's learning how to hold a pencil. next week he's learning why he can't go to school because the air is 'too poi...