TNPSC Thervupettagam

Air Pollution in Delhi and Uttar Pradesh

November 7 , 2019 1717 days 1415 0
  • Pollution levels in Delhi and neighbouring NCR region escalated to hazardous levels.
  • The visibility was dropped significantly after a thick blanket of smog engulfed.
  • The air quality index (AQI) was bordering the 'severe plus' category at several places.
  • In certain places it docked as high as 625.
  • Air Quality Index
    • 0-50 is considered as 'good',
    • 51-100 as 'satisfactory',
    • 101-200 as 'moderate',
    • 201-300 as 'poor',
    • 301-400 as 'very poor', and
    • 401-500 as 'severe'.
    • Anything above 500 comes under 'severe-plus emergency' category.

High pollution

  • Six UP cities were among the top 10 most polluted places in the country with Air Quality Index (AQI) in ‘severe category’ (400).
  • It is an alarming situation as per the Central Pollution Control Board.
  • The average AQI (Air Quality Index) calculated for 24 hours (November 3, 4 pm to November 4, 4 pm) showed that Jind in Haryana had the most toxic air among 97 cities analysed.
  • A total of 15 cities had an average AQI above 400.
  • Of these, nine are in Uttar Pradesh and five in Haryana, apart from Delhi.
  • Eight UP cities followed Jind for having the most toxic air quality.
  • There are only four cities in India with 'good' air quality, of which two are in Kerala.
  • Eloor, a suburb of Kochi in Kerala, recorded the best air quality with an AQI of 25.
  • Eloor is followed by Thane near Mumbai (AQI 45), Thiruvananthapuram in Kerala (AQI 49) and Kota in Rajasthan (AQI 50).

SC court on Pollution

  • The Apex court said that Punjab and Haryana have to extinguish fire from stubbles in agricultural fields.
  • The court also sought a road-map from the Centre and the governments of Delhi, Punjab and Haryana to stop pollution on long-term.

Graded Response Action Plan (GRAP)

  • It was formulated in 2016 and approved by the Supreme Court in the same year.
  • When the air quality shifts from poor to very poor, the measures listed have to be followed since the plan is incremental in nature.
  • If air quality reaches the severe stage, GRAP talked about shutting down schools and implementing the odd-even road-space rationing scheme.
  • The plan requires action and coordination among 13 different agencies in Delhi, Uttar Pradesh, Haryana and Rajasthan.

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