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Monday, March 08, 2021

air quality


A surprise in Africa: Air pollution falls as economies rise

February 10, 2021 2:17 pm

The study, published in Proceedings of the National Academy of Sciences, found that levels of dangerous nitrogen oxides, a byproduct of combustion, in the northern part of sub-Saharan Africa have declined sharply as wealth and population in the area have increased.

NGT allows green crackers on Christmas, New Year at places where air quality is 'moderate'

December 02, 2020 9:09 pm

A bench headed by NGT Chairperson Justice Adarsh Kumar Goel said its direction to restrict the use of firecrackers in cities/towns where air quality is 'moderate' or below to green crackers and for the duration of not more than two hours will continue.

Gurgaon to set up 'Air lab' to monitor air quality as pollution level increases

October 14, 2020 1:29 pm

The civic body also issued orders regarding enforcement of GRAP, and allotting responsibilities for the same in the district.

Air quality in Mumbai deteriorates slightly as AQI reaches 100

September 07, 2020 1:51 am

On Sunday, a thin layer of haze was also reported across the city’s skyline, indicating a rise in air pollution.

Air quality study in 6 smart cities finds no logic in some projects

August 30, 2020 6:17 am

As per the findings of the study, all cities have fitted air sensors under the mission, “but there is no clarity on how the data generated by these is and will be used by the city.”

More than half of world’s population lacks access to air quality data, finds new report

July 13, 2020 12:36 pm

OpenAQ has published a full list of air quality monitoring by governments, which is publicly available.

Lockdown impact in Mumbai: Sharp drop in nitrogen dioxide, benzene

May 02, 2020 10:07 am

The study has compared hourly pollutant concentration in pre-lockdown period with during the lockdown. The peak hourly value of NO2 during the pre-lockdown period was almost five times the peak value observed during the lockdown period

Delhi: Rain, strong winds push pollutants away, air now in ‘satisfactory’ range

November 30, 2019 10:41 am

The city’s average air quality index (AQI) was 84 Friday. The AQI last reached ‘satisfactory’ levels on October 5, when it was 98, as per the Central Pollution Control Board (CPCB).

Delhi’s air quality 'very poor': Here's how to protect your child from pollution

November 05, 2019 10:09 am

According to the World Health Organization, air pollution has 'a vast and terrible impact on child health and survival'.

Farm fire fumes now hit home: Punjab air quality turns poor, Haryana’s severe

November 02, 2019 8:49 am

Farmers in the two agrarian states continue to set paddy residue afire despite a ban on this practice. An Indian Express team witnessed a number of farm fires in Fatehabad, Tohana and Jakhal of Haryana and Sangrur of Punjab.