New Delhi. Delhi 's air quality improved partially on Saturday due to favorable wind speeds, but still remains in the 'poor' category. Government agencies said that the Air Quality Index (AQI) will improve further during the day and is expected to fall into the 'medium' category. Delhi's AQI was 263 at 9 am on Saturday, while the average 24-hour AQI of 296 was recorded on Friday. Similarly, AQI in Delhi was 283 and 211 respectively on last Thursday and Wednesday.
It is noteworthy that the air quality index between zero to 50 is 'good', between 51 and 100 is satisfactory, 101 to 200 is 'medium', 201 to 300 is 'bad', 301 to 400 is 'very poor' and An air quality index between 401 and 500 is considered to be in the 'severe' category. The Delhi-based central government air quality forecasting system said that Delhi-NCR 's air quality is expected to improve further on Saturday and fall into the 'medium' category. According to this, the direction of the winds on the surface is towards the northwest and its maximum speed was 20 kilometers per hour on Saturday.
The central agency said that AQI will decline between Tuesday and Friday due to adverse weather conditions and is expected to fall into the 'very poor' category. The central agency said that about 800 incidents of stubble burning were reported in areas of Punjab and Haryana bordering Pakistan on Friday. According to 'Earth', an air quality monitoring app of the Ministry of Earth Sciences, Parali's share of PM-2.5 in Delhi air was 15 percent.