Despite rainfall, the air quality of the city remained in the ‘poor’ category on Wednesday and is likely to improve to ‘satisfactory’ level on Thursday, said government-run monitoring agency System of Air Quality and Weather Forecasting and Research (SAFAR).
“Marginal deterioration in air quality to the ‘poor’ category on Friday is expected,” SAFAR said.
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On Wednesday, the average level of PM2.5 — deadly respirable particles, which is a chief pollutant — was 109.9 ug/m3, more than the safe limit of 60ug/m3, as per Indian standards in Delhi and NCR at 9 p.m., stated the Central Pollution Control Board (CPCB).
However, the level was more than four times the safe limit of 25 ug/m3, as set by the World Health Organization.
The city’s AQI on Wednesday was 266, worse than Tuesday’s 254, according to the 4 p.m. bulletin of the CPCB that is the average of the past 24 hours.
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