Air quality in Delhi-NCR remains in 'poor' category, may get worse
Air quality in Delhi and nearby areas on Tuesday remained in the "poor" category as winds speed dipped. The air quality in Delhi-NCR is expected to remain in the "moderate" and "poor" categories for the next two days. At 9:30 am, Delhi's overall Air Quality Index (AQI) was recorded at 218 as compared to Monday's AQI of 215. An AQI between 201 and 300 is considered "poor", 301-400 "very poor" and 401-500 severe". The concentration of particlate matter (PM) 2.5 was at 96 while the PM10 level was recorded at 154. However, weather experts said, pollution levels are likely to enter the 'severe' zone again on Thursday due to a gradual dip in wind speed over the next two-three days. Neighbouring Ghaziabad (256), Greater Noida (218), Noida (227) recorded their air quality in the 'poor' category, while Gurgaon's AQI (138) remained in the 'moderate' category for the second consecutive day