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Indian cities record minimal air pollution during corona lockdown,says Report

Over 90 cities, including Delhi, recorded minimal air pollution in the last few days.Welcoming the reduction in pollution, environmentalists urged the government to treat it as a “wake-up call” and stop its “obsession” with “development” at the cost of the environment.

India is currently under the biggest lockdown with around 130 crore people asked to stay home in view of the coronavirus outbreak, which has claimed 19 lives and infected over 900 people in the country.

The government has urged people to avoid unnecessary travelling, significantly reducing the traffic movement across the country.

According to the Centre-run System of Air Quality and Weather Forecasting and Research (Safar), the impact of the measures taken due to the coronavirus outbreak has resulted in a drop in PM2.5 (fine particulate pollutant) by 30 per cent in Delhi and by 15 per cent in Ahmedabad and Pune.

The level of Nitrogen Oxide (NOx) pollution, which can increase the risk of respiratory conditions, has also reduced. NOx pollution is mainly caused due to a high motor vehicle traffic. In Pune, NOx pollution has reduced by 43 per cent, in Mumbai, by 38 per cent and in Ahmedabad, by 50 per cent.

Gufran Beig, a scientist at Safar, said generally in March, pollution is in the “moderate” category (Air Quality Index range: 100-200) while presently, it is in the “satisfactory” (AQI 50-100) or “good” (AQI 0-50) category.

“It is the lockdown impact. Local factors like shutting down of industries and construction and traffic have contributed in improving the air quality. Rain is also helping, but the curbs on local emissions are playing a significant role,” he said.

Under the “good” category, pollution is considered to be at the lowest and the air is believed to be the healthiest to breathe.

According to the data of the Central Pollution Control Board (CPCB), the air quality in the national capital is presently in the “good” category. In Kanpur, which has high pollution levels, it is in the “satisfactory” category. Moreover, 92 other cities with CPCB monitoring centres have recorded minimal air pollution, with the air quality in the range of “good” to “satisfactory”.

As many as 39 cities have recorded “good” air quality and 51 cities have recorded “satisfactory” air quality in the last few days, the CPCB data showed.

An AQI between 0-50 is considered good, 51-100 satisfactory, 101-200 moderate, 201-300 poor, 301-400 very poor and 401-500 severe.

Environmentalists believe that the reduced pollution levels should act as a wake-up call for the government.

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