The air quality in top metro cities Delhi and Mumbai worsens with onset of winter. Check out the AQI levels and causes of rise in air pollution
Delhi AQI level
Delhi's air quality index (AQI) became 'severe' on Sunday with an overall reading of 407 at about 4 pm
Construction banned in Delhi
Commission for Air Quality Management (CAQM) held an emergency meeting, post which a ban was imposed on private construction activities across Delhi-NCR on Sunday
Delhi's Air quality index
Stage 3 of Graded Response Action Plan (GRAP) -- which involves a ban on all construction activities except those of national importance -- has been implemented in the region
Mumbai Air Quality Index
Mumbai's Air Quality Index (AQI) also nearly dropped to 'very poor' category at the beginning of the month
Air Pollution in Mumbai
The city's air quality dipped to 'poor' category on Sunday evening, with an AQI of 293
City-Wise Air Pollution in Bihar
Bihar's Katihar recorded the highest AQI level among 163 Indian cities as of November 7
What is Air Quality Index (AQI)
AQI between 201 and 300 is considered 'poor', 301 and 400 'very poor', and 401 and 500 'severe'
Causes of Air Pollution in India
India has been experiencing hazardous air quality due to these key reasons:
- Vehicle Exhaust - Open waste burning - Crop burning during harvest season - Industrial emission - Automobile pollution - Accidental agricultural field fires
Twitter Files Explained; Elon Musk Connection and more