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Home » Archives for Dhariyash

Author: Dhariyash

Dhariyash has a microelectronics degree from the Delft University of Technology, the Netherlands. He leads the Smart Air team in India and his goal is to help solve some of the big environmental and social challenges facing India.

What Time of Day Is Air Pollution Lowest in India?

2020-11-242020-11-24 Dhariyash Leave a comment

When Smart Air polled people about what time of day air pollution is lowest, the most popular answer was the early morning, before the morning rush hour. But how accurate are our intuitions? To get to the bottom of it, Smart Air analyzed thousands of hours of PM2.5 data from the US Embassy for Delhi, […]

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Delhi People Outdoor Excercise

Here’s Why Winter Air Quality in India Is so Bad

2020-09-212020-12-28 Dhariyash Leave a comment

Winter air quality in India is hazardous, with PM2.5 pollution levels reach more than 10 times the World Health Organization’s annual limit. Hazy skies and pollution alerts have become the norm during India’s winters. But just why is this? Analyzing India’s Summer & Winter Pollution Levels Data analyzed by Smart Air showed that India’s winter […]

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India winter high unsafe PM2.5 pollution levels compared with summer

COVID-19 Lockdown Slashes PM2.5 in India’s 6 Biggest Cities

2020-06-172020-07-15 Dhariyash Leave a comment

Recent news reported that the coronavirus lockdown is causing dramatic reduction in air pollution across India due to coronavirus lockdown. This is good news for lungs across the subcontinent, since Indian cities often make news as some of the most polluted in the world. Some cities average PM2.5 ten times the WHO annual limit. Lockdown […]

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Mumbai During Lockdown

Fact Check: Is the COVID-19 Lockdown Decreasing Delhi Air Pollution?

2020-04-202020-07-15 Dhariyash 1 Comment

Delhi often makes headlines as one of the most polluted cities in the world, but has the coronavirus lockdown starting March 25th dramatically cut pollution in the capital? News outlets have reported reductions in pollution, but reports of reductions in Beijing were later disproven by data on the ground. A new Smart Air analysis got […]

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India Gate Delhi pollution

Smart Air Provides Clean Air to Automobile Giant Ford

2019-05-132020-07-15 Dhariyash Leave a comment

Right after moving to their new office in the Chimes building in Gurgaon, Ford India was experiencing problems with outdoor particulate pollution (PM2.5) and chemicals (VOCs) off-gassing from new furniture, carpets, paints, and other remodeling work. To tackle these problems and protect the health of their staff, Ford India reached out to Smart Air in […]

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Ford Gurgaon office

Fast-Growing India Startup Zomato Installs Smart Air Ladakh Air Purifiers

2019-03-152020-07-15 Dhariyash Leave a comment

Helping to fight air pollution in Gurgaon, one of India’s most polluted cities, Smart Air installed 91 Ladakh purifiers in the offices of India’s biggest food delivery startup: Zomato.   In December 2018, Zomato was moving into their new 100,000 square foot office in Gurgaon, just outside New Delhi. Zomato needed a clean air solution for […]

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