Dr Naresh Trehan Explains How Pollution Turns Lungs Black

The CPCB has now broken its silence and issued a clarification on the core mechanics of India's National Air Quality Index (NAQI) framework, its design methodology, and its international alignment.

FICCI's report amounts to an unmistakable warning that the country's struggle with dirty air has reached a level that demands urgent action from governments at every level.

Prolonged exposure to air pollution in Delhi NCR can damage lungs silently without causing cough or breathlessness.

When the air quality becomes very poor or severe, the question is whether the benefits of walking still outweigh the health risks. Experts have specifically advised residents to avoid outdoor walks and exercise when pollution levels are high.

The only parts of India which appear to not be enveloped by the grey cover are the western states such as Rajasthan and Gujarat, and the northeastern states.

This year, firecrackers became the centre of a polarised debate, especially over regulation and "green" alternatives.

New Delhi recorded an AQI of 223, placing it in the 'Poor' category, while Mumbai, Bengaluru, Kolkata, Chennai and Hyderabad reported moderate air quality.

Children, older adults, pregnant women, and people with pre-existing heart or lung conditions face the highest health risks from air pollution.

Diwali this year was the fourth most polluted day of the entire year, recording a staggering daily average PM2.5 concentration of 257 g/m.

Reacting to the allegations linking Punjab's stubble burning to Delhi's worsening air quality, AAP's Barinder Kumar Goyal said that blaming Punjab had become a convenient political excuse for Delhi.