New Delhi, December 27: The air quality in the national capital has dipped further and has turned more toxic. According to the Central Pollution Control Board, Air Quality Index was at 367, thus falling in the category of 'very poor' in areas around India Gate.

On Thursday as well, the air quality was in the 'poor' category. The reason behind the worsening air is on the back of cold weather, high humidity and lowe wind speed. Delhi Air Pollution: Air Quality Slips To 'Poor' Category Owing to Cold Weather, High Humidity & Low Wind Speed.

Check ANI tweet:

The heavy fog on Thursday morning delayed several trains. According to experts, the current situation will persist and or will worsen for the next five days, facilitating more trapping and secondary particulate formation—aggravating Delhi’s pollution woes further.

An AQI between 0-50 is considered "good", 51-100 "satisfactory", 101-200 "moderate", 201-300 "poor", 301-400 "very poor" and 401-500 "severe". An AQI above 500 falls in the "severe-plus" category.

(The above story first appeared on LatestLY on Dec 27, 2019 08:39 AM IST. For more news and updates on politics, world, sports, entertainment and lifestyle, log on to our website latestly.com).