MUMBAI: The city’s overall air quality index (AQI) on Thursday was higher compared to Delhi, according to System of Air Quality Weather Forecasting and Research’s (SAFAR) real-time monitoring. This came as Indian Meteorological Department has forecast light rain or thunders showers in the city on Friday and Saturday.
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Mumbai recorded an overall AQI of 313, the worst this year, compared to Delhi’s 239 on Thursday. While Delhi’s was lower than usual due to rain, Mumbai’s air quality was in the very poor category for the second day due to weather. “Due to colder temperature and shallow boundary layer height, pollutants are not dispersing faster and getting accumulated. AQI is predicted to remain very poor for Mumbai for two days,” said a short-range forecast by SAFAR.
Last year, overall AQI breached the 300-mark on December 31. An AQI of 301-400 is considered very poor and could pose a health risk to everyone. Among 10 locations monitored by SAFAR, BKC, Andheri, Mazgaon, Malad, Chembur, Navi Mumbai, Colaba and Borivli recorded an AQI of over 300.
“Under the influence of a trough in low-level easterlies from Karnataka coast to Maharashtra coast in lower tropospheric levels, isolated to scattered rainfall with moderate thunderstorm and lightning at isolated places very likely over Maharashtra,” said K S Hosalikar, deputy director general, western region, IMD. Parts of Thane district received light rain on Thursday. Santacruz and Colaba on Thursday recorded a minimum temperature of 20C and 21C and maximum of 30.7C and 28C respectively.