Air Pollution | Centre for Science and Environment

Air Pollution


Status of air pollution during winter of 2015-16 and the impact of odd-even car rationing scheme on air quality

January 21, 2016

1. Overall pollution level this winter is higher than last winter. This demands emergency action

This winter has witnessed extremely high level of pollution. Typical winter conditions -- cold temperature, lower mixing height of air, calm and no-wind conditions trap air and pollution. As a result, pollution builds up very quickly and peaks. This is why winter months require tougher emergency action to reduce pollution. Weather is an important constraint in pollution management.  

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Air quality benefits of odd-even vehicle rationing programmein Delhi: An analysis of week 1

Environment Pollution (Prevention and Control) Authority for NCR

January 8, 2016

Overall pollution level this winter is higher than last winter. This demands emergency action

This winter has witnessed extremely high level of pollution. Typical winter conditions -- cold temperature, lower mixing height of air, calm and no-wind conditions trap air and pollution. As a result, pollution builds up very quickly and peaks. This is why winter months require tougher emergency action to reduce pollution. Weather is an important constraint in pollution management.

Read more...

Make bus the game changer, says CSE

It is shocking how bus transport that carries double the number of passengers in Delhi Metro is degenerating when Delhi has to reduce personal vehicle usage to curb pollution and congestion

CSE extends support to the odd-even number formula but expresses disappointment at too many exemptions granted to several vehicle segments

This can seriously compromise the effectiveness of this emergency action needed to control the peak pollution levels during winter.  Design the programme to make a difference to the air quality of Delhi. 

Bengaluru residents actually breathe in air which has 3-12 times higher pollution levels than the ambient level – says CSE study in the city

  • Bengaluru is in the grip of rising air pollution. Official ambient air quality monitoring has shown 57 per cent increase in particulate matter in just four years. In more than 85 per cent of monitoring locations, the levels have exceeded standards

CSE welcomes landmark judgment of Supreme Court to implement urgent measures for controlling pollution in Delhi-NCR

  • Landmark decision from the Chief Justice bench of the Supreme Court stops registration of luxury diesel cars and SUVs in the NCR; bars entry of pre-Euro III trucks into Delhi; doubles the environment compensation charge on all trucks entering Delhi; and mandates all taxis in NCR to convert to CNG. It has also asked for stringent action on trash burning and road dust. 

CSE welcomes the move to restrain diesel cars in Delhi

  • Diesel exhaust has already been branded as human carcinogen by the International Agency for Research on Cancer (IARC) of the WHO has shocked the world

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