Air pollution levels in Delhi worsened on Friday due to unfavourable meteorological conditions such as low temperature and slow wind speed with the air quality index reading 406 which comes under the ‘severe’ category.
The AQI is expected to improve from November 29 due to high wind speed.
“Mixing layer height and wind are the dominant factors controlling air quality. From November 29 significant improvement in AQI is expected due to high wind speed,” said the Ministry of Earth Sciences’ air quality monitor SAFAR.
However, the AQI will be in the ‘higher end of very poor’ category.
The share of stubble burning in Delhi’s PM2.5 pollutants is eight per cent.
The air quality in the national capital has remained ‘very poor’ or ‘severe’ on most of the days in November so far.
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’.
The Delhi government on Thursday reimposed the ban on construction and demolition activities following the Supreme Court’s order. The apex court reimposed the ban on construction activities in Delhi-NCR on Wednesday until further orders.
Chief Minister Arvind Kejriwal said the workers affected by the ban on construction activities will be provided financial assistance of Rs 5,000 each and his government will also compensate them for the loss of minimum wages.
The ban on construction and demolition activities was lifted on Monday in view of an improvement in the air quality and the inconvenience caused to the workers.
The Delhi government on Wednesday decided to resume physical classes in schools, colleges and other educational institutions and reopen government offices from November 29.
The ban on the entry of trucks, barring those engaged in essential services, will continue till December 3. However, “CNG and electric trucks will be allowed to enter Delhi from November 27”.