Delhi and its suburbs recorded a marginal improvement on Sunday though a major relief is unlikely in the coming days, monitoring agencies said.
The city's <a href="https://www.mid-day.com/news/india-news/article/delhi-lg-vk-saxena-slams-state-govt-punjab-govt-over-pollution-23320301" target="_blank" rel="none noopener">Air Quality Index</a> (AQI) stood at 290 at 7 am but deteriorated to 301 by 4 pm.
The 24-hour average AQI, recorded at 4 pm every day, was 319 on Saturday, 405 on Friday and 419 on Thursday.
Neighbouring Ghaziabad (280), Gurugram (234), Greater Noida (236), Noida (268) and Faridabad (327) also recorded "poor" to "very poor" <a href="https://www.mid-day.com/news/india-news/article/conduct-special-drive-to-prevent-entry-of-private-polluting-buses-into-delhi-gopal-rai-to-transport-dept-23320360" target="_blank" rel="none noopener">air quality</a>.
An AQI between zero and 50 is considered 'good', 51 and 100 'satisfactory', 101 and 200 'moderate', 201 and 300 'poor', 301 and 400 'very poor', 401 and 450 'severe' and above 450 'severe plus'.
The Centre on Saturday removed stringent curbs, including a ban on construction work related to linear projects and the entry of polluting trucks into Delhi, in view of the dip in air pollution levels due to favourable wind speed and direction.
These measures constitute the final stage -- Stage IV -- of the Centre's air pollution control plan called the Graded Response Action Plan (GRAP).
The Commission for Air Quality Management in National Capital Region and Adjoining Areas (CAQM), a statutory body responsible for formulating strategies to combat pollution in the region, asked Delhi and NCR states to revoke all emergency measures, under which only CNG, electric and BS VI-compliant vehicles from other states are allowed to enter Delhi, with exemptions granted to those involved in essential services.
All medium and heavy goods vehicles not engaged in essential services were also banned in the capital under Stage IV of GRAP, according to the latest CAQM order.
The pollution control body said all other curbs under stages I, II and III of GRAP, including a ban on non-essential construction work, mining, stone crushers and diesel generators will continue.
The air quality forecasts by the India Meteorological Department/Indian Institute of Tropical Meteorology do not indicate any steep degradation in the overall air quality of Delhi-NCR in the coming days, the CAQM said.
Recent findings from a joint project by the Delhi government and the Indian Institute of Technology (IIT), Kanpur found that vehicular emissions accounted for about 45 per cent of the capital's air pollution on Friday. This reduced to 33 per cent on Saturday.
Secondary inorganic aerosols -- particles such as sulfate and nitrate that are formed in the atmosphere due to the interaction of gases and particulate pollutants from sources like power plants, refineries and vehicles -- are the second major contributor to Delhi's foul air, accounting for 19 to 36 per cent of the air pollution in the city over the last few days.
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Delhi and its suburbs recorded a marginal improvement on Sunday though a major relief is unlikely in the coming days, monitoring agencies said

Delhi air quality very poor; no major relief likely

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The city's Air Quality Index (AQI) stood at 290 at 7 am but deteriorated to 301 by 4 pm

Delhi air quality very poor; no major relief likely

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Home / News / India News / Article / Delhi air quality very poor; no major relief likely

Delhi air quality very poor; no major relief likely

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