Noida: A layer of toxic haze continued to blanket the city even as the air quality index improved marginally from ‘very poor’ recorded a day ago. On Tuesday, AQI was recorded at 291 in the ‘poor’ category, but remained on the edge of ‘very poor’. The city’s air quality had deteriorated to 330 on Monday.Sector 62 monitoring station, which covers adjacent industrial and corporate zones and nearby stretches along NH-9 and Delhi-Meerut Expressway, recorded the worst AQI at 411 (severe), while at least two areas — Sectors 150 (344) and 39 (388) — slipped into ‘very poor’ air quality. Sector 1 monitoring station saw marked improvement as AQI improved significantly to 170 in the ‘moderate’ category from 300 (poor) recorded a day ago.
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Greater Noida saw an average AQI of 189 (moderate) from Monday’s 289. In Ghaziabad, AQI remained in the ‘poor’ levels, but the 4pm average was recorded at 235, better than 289 recorded a day ago.Delhi’s AQI was 350 at 4pm Tuesday, a further slide within the ‘very poor’ category since Monday.According to IMD, the improvement could be attributed to winds blowing in from the west at 10-15 kmph. AQI is expected to deteriorate over the next few days, with experts expecting weather unfavourable for dispersal of pollutants as the major reason behind the spike.Indian Institute of Tropical Meteorology (IITM) said the stubble burning contribution was set to rise to 20% by Nov 4 and 22% by Nov 5. The air quality is likely to be very poor or even severe in the next six days, it said.Temperatures were below normal in Delhi-NCR. The maximum at Safdarjung was 29.1 degrees Celsius, a notch below normal. The minimum was 16.4 degrees Celsius, a notch above normal. Met expects the maximum and minimum temperatures to hover between 27-29 and 14-16 degrees Celsius on Wednesday.
