NEW DELHI (XINHUA) – The air pollution level in the Indian capital city New Delhi and outskirts of the national capital region (NCR) yesterday became severe, the government agency said.
According to the Central Pollution Control Board (CPCB), the overall air quality index (AQI) in the city remained in severe category at 402.
“The AQI in Delhi at 10M today was recorded at 402,” data released by CPCB said. “The prominent pollutants are PM 2.5 and PM 10, and air quality is in the severe level category.”
For the past four days, people in the Indian capital have been breathing very poor air.
As per CPCB, AQI between 0-50 is considered “good”, between 51-100 “satisfactory”, between 101-200 “moderate”, between 201-300 “poor”, between 301-400 “very poor”, and between 401-500 “severe” and beyond 500 is severe plus emergency.
Health officials said deterioration in air quality causes respiratory illness on prolonged exposure and people should stop outdoor activities in early morning and after sunset.