The overall Air Quality Index (AQI) in the national capital on Friday morning slipped to 368 in the 'very poor' category, according to the System of Air Quality and Weather Forecasting and Research (SAFAR).
The PM 10 was recorded at 376 in the 'very poor' category and PM 2.5 was recorded at 224 in the 'very poor' category at 7:50 am.
Gurugram and Noida recorded AQI of 350 and 463 respectively in the "very poor" and "severe" categories.
"The AQI today indicates 'Very Poor' category. Local surface winds are relatively low for the next 3 days that reduces the dispersion of pollutants leading to the deterioration of air quality but within the 'upper end of very poor' category for the next three days," SAFAR said in a bulletin.
It further said that on November 29 local surface winds are likely to increase resulting in improvement of air quality but remains within the 'Very Poor' category.
"Local emissions and weather (Mixing layer height and wind speed) are likely to be the dominant factors controlling air quality. Effective fire count is 219 and its per cent share in Delhi's PM2.5 is 6 per cent," it added.
As per the India Meteorological Department (IMD), Delhi today recorded a minimum temperature of 11 degrees Celsius, while the maximum temperature recorded was 28 degrees Celsius.
An AQI between zero and 50 is considered 'good', 51 and 100 'satisfactory', 101 and 200 'moderate', 201 and 300 'poor', 301 and 400 'very poor', and 401 and 500 'severe'.
Meanwhile, the Delhi government has once again decided to reimpose a ban on construction and demolition activities following Supreme Court's directions.
In view of an improvement in the air quality, the ban on construction and demolition activities was lifted on November 22.
The physical classes in schools, colleges and other educational institutions are scheduled to resume from Monday.
The ban on the entry of trucks, barring those engaged in essential services, will continue till December 3.
Chief Minister Rekha Gupta announced in the assembly on Wednesday that the Delhi government will introduce a new policy for issuing Pollution Under Control (PUC) certificates to vehicles from other states, in a bid to tackle air pollution.
Children exposed to higher levels of air pollution in early and mid-childhood may have weaker connections between key brain regions that can highly impact their thinking and controlling capacity, according to a study.
Delhi Environment Minister Manjinder Sirsa has accused Arvind Kejriwal's AAP - in power before the BJP won the February election - of allowing more than 1.08 lakh vehicles to run on city roads despite each emitting high levels of carbon monoxide.
An integrated command and control centre has been proposed in the 2025-26 Delhi budget, presented by Chief Minister Rekha Gupta on Tuesday, for real-time monitoring of air quality, water pollution, noise levels, and waste management.
As part of broader strategy to tackle the expected winter pollution peak, the Delhi government will install six new air quality monitoring stations across the national capital over the next three months, Environment Minister said.
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