NO2

Air quality 'very poor', NO2-laced haze deepens worries

The city's average Air Quality Index (AQI) was 378 on a scale of 500, classified as 'very poor', marginally better than yesterday's 390.

Dec 05, 2017, 21:06 PM IST

Beware! Increase in vehicular density causing spike in NO2 levels in Delhi air

In 2015, the average level of NO2, a toxic byproduct of diesel combustion, was 73 micrograms per cubic metre (ug/m3), as against the permissible annual average of 40 ug/m3.

Mar 07, 2017, 23:16 PM IST

Smartphone could help detect air pollution

 The revolutionary method we have developed is a great start to creating a handheld, low-cost and personalised NO2 sensor that can even be incorporated into smartphones.

Nov 13, 2015, 13:53 PM IST

Smartphones could soon detect air pollution

Researchers at RMIT University in Melbourne, Australia, have developed the first low-cost and reliable method of detecting nitrogen dioxide (NO2).

Oct 28, 2015, 16:07 PM IST

Urgent action needed to improve air quality in London

London has been named as one of six major cities in Britain where urgent action is needed to improve air quality.

Sep 13, 2015, 08:27 AM IST