Sunday, Dec 04, 2022

National air quality index


Atmospheric scientist, Professor, IIT Kanpur: Strengthen pollution regulators, get more staff, train them in tech and back up with stringent norms

November 07, 2022 7:04 am

Dr Sachchida Nand Tripathi talks about the ‘low hanging fruits’ approach to managing air pollution, wind patterns which magnify the impact of stubble burning, crop diversification and a realistic AQI assessment for Delhi. The session was moderated by Amitabh Sinha, Resident Editor, Pune

A North India problem, says Kejriwal, asks Centre to act

November 05, 2022 1:33 am

Kejriwal also announced that his government is considering implementing the “odd-even” vehicle rationing scheme. Apart from this, the government has announced work from home for 50% of government employees and staggered timings for its departments.

Coming soon: Poor air days in Delhi

September 30, 2022 7:11 am

According to the forecast issued by the Air Quality Early Warning System Thursday, the air quality is likely to be in the ‘moderate’ to ‘poor’ category on October 2. Surface winds, mostly coming from the Northwest direction, are likely to be calm in the morning hours of October 1 and 2, the forecast indicates.

Air quality: New WHO norms, now almost entire India polluted

September 23, 2021 10:24 am

While a PM2.5 concentration of 25 micrograms per cubic metre in a 24-hour period was considered safe earlier, the WHO has now said that a concentration of over 15 micrograms is not safe.

Now, colour-coded air alerts

April 07, 2015 5:30 pm

PM launches national air quality index; Javadekar assures new construction norms in 15 days.

Tracking air

April 07, 2015 8:17 am

Launch of a national air quality index is a good first step. Better data alone is not enough.