The Central Pollution Control Board (CPCB) data showed the overall air quality index (AQI) of Delhi at 412, which falls in the 'severe category', while the Centre-run System of Air Quality and Weather Forecasting (SAFAR) recorded an AQI of 388, which comes under the 'very poor' category.from Environment News, Earth News, Global Warming, Wild Life, Carbon Trading, Climate Business, Climate Change & Pollution News http://bit.ly/2VcYpJ7
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