Sluggish weather, stubble spike push AQI to severe

Published On : 2024-11-17T07:35:08+0530 [ IST ] | Author : Mayur_Tembhare
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The city's air quality slipped to severe levels again Saturday after improving marginally to the higher end of 'very poor' the day before thanks to sluggish weather conditions and a spike in stubble burning (season's highest share of 37.5%

The burst of firecrackers in parts of Gurpurab on Friday also added to the pollution. Delhi's air quality index (AQI) on a scale of 0 to 500 was 407 at 12pm, worsening to 413 by 3pm, 426 by 6pm and 429 by 7pm.

At 7pm Greater Noida saw an AQI of 296 (poor), Noida 331 (very poor), Gurgaon 315 (very poor), Faridabad 258 (poor) and Ghaziabad 377 (very poor).

The air quality early warning system indicates weather conditions would not be favourable for dispersion of pollutants in the coming days. The outlook for the next six days: 'very poor' air quality.

At 37%, crop burning share in pollution is highest this season.

The air quality is likely to be in the 'very poor' category from November 17 2024 to November 19 2024 the IITM bulletin said.

The share of stubble burning in the city's air quality increased to the season's highest of 37.5% on Friday. Weather analysts said the wind speed did not pick up as expected reaching a maximum of 8 km/h for some time.

The city also saw moderate fog in the morning and a further dip in temperature which slowed dispersion of pollutants. Minimum visibility at Safdarjung was 200m at 8.30am while at Palam it was 500m around the same time.

Weather analysts expect the wind speed to pick up on Sunday reaching up to 15 km/h which may slightly help the situation.

The minimum temperature fell to 15.3 degrees Celsius, the lowest this season while a day earlier it was 15.6 degrees Celsius, the second lowest this season. Cold northerly and north-westerly winds wafted in from the fresh snow in the Himalaya

The maximum temperature was recorded at 29.6 degrees Celsius a notch above normal against 27.8 degrees Celsius a day earlier. IMD expects the maximum and minimum temperatures to hover around 29 and 15 degrees Celsius on Sunday

According to DSS transport was the biggest contributor to local emissions contributing 12.44% to the city's PM2.5 while Jhajjar contributed 5.77% Sonipat 4.3% and Delhi's residential units 3.5%. According to CPCB the PM2.5 levels of the city oscillated between 215.5 to 263 micrograms per cubic metre

The Commission for Air Quality Management (CAQM) held a meeting on Saturday to ensure strict enforcement of measures to control air pollution in the National Capital Region (NCR) especially during the current period when the Graded Response Action Plan is in

A crucial meeting to monitor and review the status of implementation of actions under different stages of GRAP was held today under the chairmanship of Dr Sujit Kumar Bajpayee, member of CAQM. During the meeting it was highlighted that the upcoming winter season is a crucial period and therefore the actions to be taken under different stages of GRAP are to be implemented in true letter and

The average AQI was 328 on Saturday against 316 on Friday while the AQI in Ghaziabad touched 363 from 341.

Greater Noida also recorded a marginal surge reaching 287 from 261.

Source : Reporters From Sunrise Chronicles

Tags : Friday , Graded Response Action Plan , The Commission , National Capital Region , According , unitssluggish weather conditions , airair quality early warning system indicates weather conditions would , Celsius , daycity also saw moderate fog , qualitydr sujit kumar bajpayee ,

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