Sounds of firecrackers echoed through every Delhiite’s home last night. After a blanket ban on the manufacture, sale, and use of fireworks, Delhi-NCR this year allowed only “green” crackers — a supposedly cleaner alternative. But how clean are they, really?
India Today analysed 12 hours of AQI fluctuations year on year, comparing the shifts with several other factors that influence Delhi’s air quality.
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By 10 p.m. on Diwali night, Delhi’s AQI at Wazirpur station had already surged to 691.
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