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    Question

    Consider the following statements with regard to the

    data provided by the Central Pollution Control Board (CPCB) on the air quality of the cities- I.  According to the data released by the Central Pollution Control Board (CPCB), Meerut topped the list of cities with the worst air quality in India. II. Meerut was followed by Bharatpur with an AQI of 299, falling in the "poor" category. Greater Noida was the third most air-polluted Indian city. III. Delhi had an AQI of 263, followed by 262 in Faridabad  and 256 in Bahadurgarh. Which of the following statements is/are not true? 
    A Only I Correct Answer Incorrect Answer
    B Only III Correct Answer Incorrect Answer
    C Only II & III Correct Answer Incorrect Answer
    D Only I & II Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    According to the data released by the Central Pollution Control Board (CPCB), Meerut topped the list of cities with the worst air quality in India.    It had an air quality index (AQI) of 382, falling in the category of "very poor".   Meerut was followed by Greater Noida with an AQI of 299, falling in the "poor" category. Bharatpur was the third most air-polluted Indian city. There are six AQI categories: Good, Satisfactory, Moderately Polluted, Poor, Very Poor, and Severe. Each of these categories is decided based on the ambient concentration values of air pollutants and their likely health impacts (known as health breakpoints). Delhi-NCR was among the most polluted regions in the country, with most cities falling in the "poor" category. Delhi had an AQI of 263, followed by 262 in Bahadurgarh and 256 in Faridabad. Gurguram's neighbouring Manesar was also among the top 10 with an AQI of 248. Noida and Ghaziabad had AQIs of 229 and 220, respectively.  However, Mumbai's AQI was better than Delhi-NCR at 177. Gurugram's AQI was also better than its surrounding region at 182.

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