Citizens of Delhi found some relief from the ongoing air pollution on Tuesday as the air quality improved significantly to the ‘moderate’ category.
This came as many burst firecrackers in violation of the complete ban on the sale and bursting of firecrackers in the national capital by the Delhi government and the National Green Tribunal.
An AQI between 201 and 300 is considered 'poor', 301-400 'very poor' and 401-500 'severe', while the AQI above 500 falls in the severe plus category.
Ajay Mathur, Director General, The Energy Resources Institute, and Ashish Dhawan of the Air Pollution Action Group have been appointed as representatives of NGOs.
He said the Delhi government has been doing everything possible to curb biomass burning, and vehicular and dust pollution.
Last year, the stubble contribution to Delhi's pollution had peaked to 44 percent on November 1, according to SAFAR data.
The inference by researchers at the Department of Climate Change and Agriculture Meteorology is based on the wind speed in Punjab during October and November between 2017 and 2019.
The 26-member commission, which will be headquartered in Delhi, will be headed by a Chairperson, not below the level of secretary, appointed by the central government.
A senior scientist at the India Meteorological Department said the maximum wind speed was 10 kilometers per hour on Friday.
A ventilation index lower than 6000 sqm/second, with average wind speed less than 10 kmph, is unfavourable for dispersion of pollutants.
The city recorded a 24-hour average air quality index (AQI) of 215, which falls in the 'poor' category. It was 178 on Tuesday.
Last year at the peak of pollution, only 44 per cent of Delhi’s PM 2.5 load was attributed to stubble burning in the neighbouring Punjab and Haryana.
Farm fires have begun in Amritsar, Punjab, and neighbouring border regions and are likely to influence the city's air quality, it said.
The air quality over Delhi national capital region (NCR) will remain satisfactory on Wednesday, said Union Health and Family Welfare Minister Dr Harsh Vardhan.
According to SAFAR, rainfall under the influence of western disturbances has contributed to AQI betterment along with reduced emissions.