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Delhi recorded an air quality index (AQI) of 265 on Sunday, which was lowest for the day before Diwali in seven years, the Central Pollution Control Board (CPCB) data showed. Diwali will be celebrated across the country on Monday. An AQI between zero and 50 is considered "good", 51 and 100 "satisfactory", 101 and 200 "moderate", 201 and 300 "poor", 301 and 400 "very poor", and 401 and 500 "severe". Last year, the AQI on November 3 (a day before Diwali) was 314. It had shot up to 382 on the Diwali day and 462 the next day. In 2020, Delhi recorded an AQI of 296 a day before Diwali (November 13), while it worsened to 414 on Diwali and 435 the day after. The capital logged an AQI of 287 on the day before the festival in 2019. It worsened to 337 on Diwali (October 27) and further to 368 the next day. The AQI was 338 on the day before Diwali in 2018. Interestingly, it improved to 281 on the Diwali day before aggravating to 390 the next day. The AQI was 302 and 404 on the day before Di
A project to identify real-time sources of pollution in Delhi has moved one step closer towards operationalisation, Delhi Chief Minister Arvind Kejriwal said on Tuesday. Delhi Pollution Control Committee (DPCC) and Environment Department of Delhi government on Tuesday held the second review meeting of the project Real-time source apportionment study and pollution forecasting' with the team from IIT Kanpur and other partner organisations, the government said in a statement. The project was approved by the Delhi cabinet and a Memorandum of Understanding was signed in October last year. A team of IIT Kanpur, IIT Delhi, The Energy & Resources Institute (TERI), and Indian Institutes of Science Education and Research (IISER) Mohali will execute the study in the national capital. Delhi government's DPCC has been authorised to act as the nodal agency for executing the study with IIT Kanpur. We are extremely glad that IIT Kanpur study is progressing well on time despite the occasional ...