According to a report prepared by CPCB in March last year, the cities of Varanasi and Faridabad are the most polluted in winters, with the air quality index regularly showing the severely polluted

The impact of climate change is being felt in Kashmir as snowfall has lowered over the years and glaciers are losing mass leading to reduced flows in Chenab, Jhelum and Indus.

In the letter, Delhi Environment Minister Imran Hussain on Saturday, explained how with the onset of winter, the Capital faced high levels of pollution leading to large cases of respiratory illness

While the national Capital has had a few good air quality days over the last few months

Combination of factors, including above-normal rains, brings rare record for July

The fact that Delhi's air is laden with ultrafine particulates is undisputed. But does that automatically make it "toxic"?

Delhi's citizens are exasperated at the lack of enforcement that has led to poor air quality, garbage heaps, traffic mess and other civic problems.

A plea alleging rising air pollution by diesel-run ships in the Indian territorial waters today prompted the National Green Tribunal to seek replies from the Centre and others.

The annual average PM2.5 concentration in Delhi is typically more than 10 times the US National Ambient Air Quality Standard of 12 micrograms per cubic metres.