Mumbai’s AQI spikes on Diwali

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MumbaiAll different monitoring stations recorded AQI readings supra 100 but Borivali (East), which houses the Sanjay Gandhi National Park (SGNP), astatine 60. (Express Photo by Pradip Das)

Mumbai’s aerial prime deteriorated connected the juncture of Diwali, with the Central Pollution Control Board’s (CPCB) dashboard showing an aerial prime scale (AQI) speechmaking of 172 (moderate) connected Thursday afternoon.

Meanwhile, of the 22 AQI monitoring stations successful Mumbai, 9 showed ‘poor’ AQI readings.

Colaba successful Navy Nagar recorded the worst AQI of 305 successful the city, followed by Sewri (284), Kandivali (252), Malad (West) (232), Mindspace (223), Byculla (224), Kherwadi (Bandra East) (220), Deonar (203), and Bandra Kurla Complex (BKC) (202).

All different monitoring stations recorded AQI readings supra 100 but Borivali (East), which houses the Sanjay Gandhi National Park (SGNP), astatine 60.

AQI readings betwixt 0-50 are regarded arsenic good, 51-100 (satisfactory), 101-200 (moderate), 201-300 (poor), 301-400 (very poor), and supra 400 is considered to beryllium severe.

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Experts person linked Mumbai’s deteriorating AQI with the Diwali celebrations and existent upwind conditions.

Dr Tuhin Banerji, subordinate of the Bombay Environment Action Group (BEAG) and erstwhile idiosyncratic with CSIR and NEERI, told the Indian Express that the existent information is simply a effect of dilatory upwind reversal.

“Mumbai’s AQI has seen a slump from the past fewer weeks, chiefly owed to a delayed upwind reversal pattern. The existent Diwali celebrations similar bursting crackers person added to it. Over the adjacent fewer days, the city’s AQI is going to get worse arsenic the suspended pollutants volition stay trapped successful the atmosphere,” Banerji said.

“At present, the metropolis is undergoing a seasonal shift, monsoon withdrawal has taken spot sometime back, and the process of upwind reversal has go slower, therefore, the frequence astatine which oversea breeze should regenerate the onshore breeze has been delayed, owed to which the onshore breeze consisting of particulate substance is trapped successful the city’s ambiance starring to deterioration of air,” Dr Gufran Beig, chair-professor of National Institute of Advance Sciences (NIAS), said.

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