After slight improvement, Delhi's air quality is now 'poor'
Delhi's air quality showed a slight improvement yesterday due to increased wind speed and settled in the poor category, the Indian Institute of Tropical Meteorology said. The overall Air Quality Index (AQI) was recorded at 282, which falls in 'poor' category, according to data by the Central Pollution Control Board. While 11 areas recorded 'very poor' air quality, 24 places recorded 'poor' air quality.
PM2.5 level recorded at 135 and PM10 level at 273
The level of PM2.5 (particles in the air with a diameter less than 2.5 micrometers) was recorded at 135 and the PM10 level at 273. 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'. Yesterday, some areas in Delhi recorded severe pollution level and has been in the very 'poor' category since last week.