Delhiites woke up to the worst pollution level of this season on Tuesday morning. According to Central Pollution Control Board (CPCB), Air Quality Index (AQI) of Delhi was recorded at 397.
That is three points below the severe level and it's the highest of this season
0 - 50: Good
51 - 100: Satisfactory
101 - 200: Moderate
201 - 300: Poor
301 - 400: Very Poor
401 - 500: Severe
The 17 areas in Delhi recorded 'severe' air quality. According to the System of Air Quality Forecasting and Research (SAFAR). Heavy stubble burning in last 24 hours and calm winds is the reason for high pollution levels.
Indian Institute of Tropical Meteorology forecasts Delhi-NCR's air quality will remain very poor for the next 2 days.