Delhi’s air pollution forecasting systems picked up the pollution trend but failed to predict high-pollution episodes last winter, a case study has found. Forecasting systems will need to more accurately predict PM2.5 concentration to reduce high pollution episodes during the next winter, the study, conducted by the Council on Energy, Environment and Water, said. The … Read more
The report, presenting an overview of the state of global air quality in 2021, is based on PM2.5 air quality data from 6,475 cities in 117 countries. Delhi was found to be the most polluted capital in the world for the fourth consecutive year in 2021 and 35 of the 50 cities with the worst … Read more
Delhi was the most polluted city in the world this morning with an Air Quality Index of 241, according to IQAir, a website tracking worldwide air quality. Delhi’s air quality remained toxic today despite rain lashing parts of the city on Wednesday and bringing some relief. The National Capital’s Air Quality Index was measured at … Read more
The minimum temperature was recorded at 9.4 degrees Celsius, two notches above the season’s average while the maximum temperature was at 18 degrees Celsius. Delhi’s air quality deteriorated to the “very poor” category on Tuesday due to low wind speed while the city’s maximum temperature settled at 18 degrees Celsius, three notches below the season’s … Read more
Despite the low contribution of stubble burning to PM2.5 levels, Delhi had three ‘severe’ air days between November and to 28. (File) The average air quality index for November was the worst in six years, according to Central Pollution Control Board data. November’s average AQI this year was 377. The figure for the corresponding period … Read more