The air quality in the Capital deteriorated to 360 units on Thursday from 334 on Wednesday, remaining in the 'very poor' category for the eleventh day. The air quality index (AQI) at 360 is six times more than the permissible standards of 60. The AQI is expected to hover from 320 to 360 units until this weekend, said Saha. The air quality is measured against PM 2.5 — the most prominent pollutant in Delhi-NCR — in units of micrograms per cubic metre. AIR QUALITY INDEXDelhi: 360 (very poor)Ghaziabad: 453 (severe)Gurgaon: 312 (very poor)Noida: 359 ( very poor)Faridabad: 322 (very poor)

Source: dna December 01, 2017 02:22 UTC