Despite their scientific-sounding names, air-cleaning technologies don't remove all the indoor air pollutants and many even generate undesirable chemicals like ozone.
A smog tower installed near the Shivaji Stadium Metro station by the Delhi govt has been touted by it as the first in India. But there are already such towers in India.
To be effective against high pollution levels, purifiers need to run almost constantly and their filters need replacing every few months. Those components often wind up in a landfill.
Companies that manufacture the air-purifier packages claim they can offer protection against airborne afflictions such as influenza, cold and flu, allergy, but not Covid.
Godrej claims its apartments have 10 times purer air than outside, but they also cost a few lakhs more than standard apartments in the same Gurugram sector.
The Nirouyeh Vijeh Pasdaran Velayat, or NOPO, was the only force Ali Khamenei trusted.It was founded in 1991 and is more feared than the Revolutionary Guards.
Rating democracies is a tricky business. I am only using the simple metric of who in the Indian subcontinent has had the most peaceful, stable, normal political transitions and continuity.
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