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Stage II focuses on pollution control measures like road sweeping and traffic management, with hybrid classes considered only at higher GRAP stages.
According to the CPCB, an AQI between zero and 50 is classified as good, 51 and 100 as satisfactory, 101 and 200 as moderate, 201 and 300 as poor, 301 and 400 as very poor, and 401 and 500 as severe.
Today's News Bulletin: Delhi battles hazardous air and a new set of pollution restrictions, while the Supreme Court weighs in on Diwali celebrations.
The GRAP-II involves a series of restrictions that include mechanical or vacuum sweeping of roads and water sprinkling, raising parking fees to discourage the use of personal vehicles, increasing the frequency of Metro services and CNG and electric buses.
Opinion: Why Delhi's Smog Can't Be Fixed From SpaceDavid Fickling, Bloomberg
Monday October 19, 2026The clearest sign that Delhi is on a path to cleaner air would be a decline in the amount of paddy grown nearby, and therefore the acreage liable to be burned each year.
Don't Normalise Air Purifiers As Delhi Chokes | The Reason Why
Thursday December 11, 2025More than 90 cities in the world's top 100 polluting list are in India. With every passing year, the AQI is rising, reaching 'hazardous' levels.
Blog | Well Done, Delhi. You've Turned Lung Sacrifice Into A Badge Of HonourSaikat Kumar Bose
Monday November 10, 2025Till some years back, Delhiites would ask angry questions to those in power about the capitals annual tryst with toxic air. This has changed. Those in the driving seat dont see the need to answer now.
Opinion | Why Indians Have Just Given Up On Air Pollution CrisisTanushree Ganguly
Friday December 20, 2024While some may argue that people in Delhi are now more aware of air pollution than they were a decade back, my rebuttal would be that awareness does not mean that people are concerned.
Opinion | You Must Outrage Over Filthy Air More Than Once A YearJyoti Pande Lavakare
Tuesday December 10, 2024Delhi welcomed us with monsoon rains and mangos. We were home. Fast forward a couple of years, in the winter of 2012, I found myself in denial about something other parents, mostly expats, were calling toxic air.

