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nitrogen dioxide news

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Amid spike in pollution, Delhi’s high NO2 levels a sign of worry

Heavy smog in New Delhi on Tuesday. (Raj K Raj/HT PHOTO)
Updated on Nov 08, 2023 05:34 AM IST

CSIR-IITR Pre-Monsoon Report 2023: Pollution in Lucknow down from last year but still above NAAQ standard

Aliganj most polluted among residential areas, air in Chowk most contaminated among commercial areas; Gomti Nagar, Alambagh & Charbagh among the noisiest, reveals study. (HT Photo)
Updated on Jun 04, 2023 11:21 PM IST

Do you live near a busy road? Know its effect on blood pressure as study shows…

people who had high exposure to both traffic noise and air pollution had the highest hypertension risk, showing that air pollution plays a role as well.
Published on Mar 26, 2023 04:17 PM IST

EU sues Portugal for poor air quality caused by nitrogen dioxide

More than 70% of Covid-19 cases in Portugal’s Lisbon region are from the Delta variant, which is said to be rapidly spreading to other parts of the country.
Published on Nov 12, 2021 05:48 PM IST

All about respiratory allergies: 5 facts that you should know of

Respiratory allergies are not to be taken lightly, as negligence can lead to asthma, bronchial allergies and other pulmonary disorders.
Published on Feb 12, 2021 01:49 PM IST

‘PUC certificates don’t cover major pollutants’

HT Image
Updated on Dec 11, 2019 12:06 AM IST

Plants better than tech for reducing air pollution

Plants and trees may be better and cheaper options than technology to mitigate air pollution, says a new study.
Updated on Nov 10, 2019 09:53 AM IST

Pollution body starts monitoring metals in Delhi’s air

The concentration of some of these toxic metals such as barium has been found to shoot up by at least nine times above the safe standards a day after Diwali. The roads are covered with a white layer of aluminium dust.
Published on Nov 03, 2018 10:06 AM IST

Pune’s falling air quality index cause for alarm

The quality of air in the city has slipped from the ‘good’ benchmark to ‘satisfactory’ benchmark within a short period of one year.
Updated on Jun 06, 2018 02:41 PM IST