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Delhi chokes as pollution levels hit three-year high

Pollution levels in Delhi peaked to a three-year high. According to the Central Pollution Control Board (CPCB), the national capital’s 24-hour average air quality index (AQI) stood at 494 at 4 p.m. on Sunday, the highest since November 6, 2016, when it was 497.

Twenty-one of the 37 air quality monitoring stations recorded the AQI between 490 and 500. In the National Capital Region (NCR), Faridabad with AQI 493, Noida (494), Ghaziabad (499) and Greater Noida (488), Gurugram (479), also breathed extremely polluted air.

PMO to monitor air quality
With the pollution levels worsening in Delhi, Cabinet Secretary Rajiv Gauba will monitor the situation in Delhi and the NCR on a daily basis.

Range on Air quality Index
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.

Source: The Hindu

Relevant for GS Prelims & Mains Paper III; Environment



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