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With washable MESP filter, Nirvana Being’s air purifier saves money and e-waste

An MESP filter has a life of 10 years or so. Average that with swapping out HEPA filters once a year, and assuming an average cost of replacement filters to be around ₹3,000, you’ll be saving around ₹30,000 over the same period

Nirvana Being air purifier. (HT Photo)
Published on Feb 20, 2024 03:55 PM IST

Delhi’s smog tower impact too little, too close: Report

At best, roughly 500m away and in a downwind direction, there was an 18% improvement in the amount of dust and ultrafine PM.

The smog tower at Connaught Place was installed following an apex court order on January 13, 2020 at a cost of around <span class='webrupee'>₹</span>25 crore. (Sanchit Khanna/ HT Photo)
Updated on Nov 10, 2023 05:57 AM IST

Air Purifier Shopping Guide: 10 must-know factors for a wise choice

For right air purifier, consider factors such as filter ratings, room size, noise levels. Avoid devices that produce ozone and change filters regularly.

Use air purifiers, if possible, to keep the air clean, and change filters at regular intervals.
Published on Nov 05, 2023 03:35 PM IST

AQI woes: Delhiites go the green way as air purifying plants go out of stock

With worsening AQI, Delhiites queue up at nurseries to buy air purifying plants in bulk. Many plant varieties are already sold out at about 16 nurseries in NCR.

Demand for plants like areca palm, peace lily, money plant, and aglaonema, has been on the rise since these are known to purify the air. (Photo for representational purposes only)(Photo: Sakib Ali/HT)
Published on Nov 02, 2023 10:52 PM IST
ByManvi Singh

DIY air filter can effectively filter out viruses, air pollutants: Study

The results, published in the journal Environmental Science & Technology, showed that Corsi-Rosenthal boxes significantly decreased the concentrations of several PFAS and phthalates in 17 rooms during the period they were used (February to March 2022).

DIY air filter can effectively filter out viruses, air pollutants: Study
Published on Dec 26, 2022 03:36 PM IST
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