Air Pollution In India: Delhi, Mumbai AQI

Delhi air quality

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

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