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air quality index

Jan 18, 2020, 09.36 AM IST

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AIR QUALITY INDEX

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  • A total of 47.95 gigawatts thermal power capacity missed the Dec 31, deadline to install Flue Gas Desulphurization (FDG) units to minimise SO2 emissions, the estimates prepared by private power producers showed. These include coal-fired units in the national capital region. Power plants were asked to install FGD units, which cut emissions of sulfur.

    According to the World Health Organisation (WHO), air pollution is estimated to cause nearly 4.2 million premature deaths worldwide in 2016, the researchers said.

    Air purifier makers like Philips, Blueair, Panasonic, Eureka, Forbes, Sharp, Xiomi and Blue Star reported high double-digit jump in sales. Besides Delhi-National Capital Region (NCR), the companies also saw higher demand from tier-II cities like Lucknow and Kanpur.

    Several studies conducted by the WHO, Centre for Science and Environment and others published in journals such as The Lancet have linked pollution with premature deaths in India. Union Environment Minister Prakash Javadekar recently told the Parliament that there was no Indian study to show any correlation between pollution and shortening of lifespan.

    CPI inflation stood at forty months high of 5.54 per cent in November, up by 92 bps from October. Increase in CPI was mainly led by lower base of food inflation and uptick in prices of vegetables and pulses.

    The air quality index (AQI) in Delhi stood at 136 at 8.47 am which falls under the 'moderate' category. 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'. An AQI above 500 falls in the 'severe plus' category.

    A thick layer of smog blankets Delhi on November 27. Additionally, the air quality of national capital also took a major hit due to a combin...

    PM 10 level at 160 on Monday but the situation may worsen to ‘severe’ category in 2 days. The hazardous ultrafine — PM 2.5 — is forecast to go up to 134 on Wednesday. The level of PM 10 particles in the city in the early hours of Monday fell to 160, the lowest since October 18, while PM 2.5 particles fell to 87, about the same level four weeks ago.

    Delhiites woke up to a cold Wednesday morning with the minimum temperature settling at 7.9 degrees Celsius, a notch below the season's average.

    Though a slight improvement in day time pollution concentration is expected today, but PM 2.5 levels will start to increase immediately after sunset.

    In the National Capital Region, Ghaziabad performed worst as its air quality index recorded 404. The air quality in Greater Noida, Gurgaon and Noida was 377, 341 and 390, respectively.

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