Delhi: Air quality remains in 'very poor' category
India | December 04, 2021 10:12 ISTThe air quality in Noida has improved from 'hazardous' to 'very poor' category. The overall AQI in Noida stood at 331.
The air quality in Noida has improved from 'hazardous' to 'very poor' category. The overall AQI in Noida stood at 331.
"Do you want us to ban Pakistan’s industries," Chief Justice of India NV Ramana asked senior advocate Ranjit Kumar who appeared for the UP government.
On November 13, the Delhi government had ordered closure of all educational institutes, banned construction and demolition activities and asked its employees to work from home to combat air pollution and minimise its health effects.
Preventive steps for air pollution, such as avoiding leaving the house during pollution, utilising air purifiers at home, staying hydrated, and eating immunity-boosting foods, are all essential.
The entry of trucks in Delhi except those carrying essential commodities has been stopped till November 21, 2021.
Construction and demolition work has also been banned till November 21 in Delhi, while schools and other educational institutes will remain closed in the national capital until further orders, Rai informed.
The process of burning farm residue is one of the major causes of air pollution in parts of north India, deteriorating the air quality around this time of the year.
According to the government agencies, AQI between 0-50 is considered good, 51-100 is satisfactory, 101-200 moderate, 201-300 poor, 301-400 very poor and 401-500 are marked as severe/hazardous.
During Nov 2-6, the contribution of pollution sources in NCR dominated the initial phase- going up to 70-80 per cent.
According to an official report released by the Delhi government, the contribution of stubble burning to the city's PM 2.5 pollution was recorded at 36 per cent as of Friday. This is the highest emission so far this season.
Earlier on Friday, the overall air quality of Delhi was plunged into upper end of the very poor category, SAFAR informed.
At 5 pm on Kali puja day (Thursday), the Air Quality Index (AQI) was 260 at Rabindra Bharati University (RBU) area, 171 at Ballygunje, 227 at Bidhannagar, 189 at Fort William, 229 at Jadavpur, 146 at Victoria Memorial and 148 at Rabindra Sarobar air monitoring station, WBPCB official said
An anti-smog gun is a device to combat air pollution which will spray atomised water to settle the dust and other suspended particles in the atmosphere.
According to the latest update by System of Air Quality and Weather Forecasting And Research (SAFAR), the air quality in several areas in Delhi was recorded in the "very poor" category with AQI ranging around 400
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'.
According to The concentrations of PM 2.5 and PM 10 stood at 252 in the 'poor' and 131 in the 'very poor' category respectively.
Ministry of Earth Sciences' forecast body SAFAR said the city's Air Quality Index (AQI) was recorded as 350, which falls in the 'very poor' category with PM2.5 as the lead pollutant.
According to the report of CPCB, the Sector-51 area of the city was the most polluted, recording AQI at 359 SPM and in that too, the average amount of PM2.5 particles were recorded up to 325 micrograms per household meter.
The higher the AQI value, the more polluted the air. An AQI above 200 is considered poor while that above 300 is categorised as very poor by the CPCB.
With the onset of winter and the withdrawal of monsoon in the northwest region of the country, the wind changes direction from easterly to north-westerly.
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