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Delhi’s Air Quality Deteriorates, Authorities Enforce Ban on Coal Usage

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Delhi’s humidity oscillated between 62 per cent and 50 per cent.

New Delhi:

Delhi’s air quality was in the “poor” category on Saturday, and the maximum temperature settled at 35.5 degrees Celsius, one notch above season’s average, according to the India Meteorological Department (IMD). The minimum temperature settled at 20.9 degree Celsius, a notch below the season’s average, officials said.

The Air Quality Index (AQI) in the national capital was recorded at 214 at 7 pm. 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”, and 401 and 500 “severe”.

On Friday, the Centre’s air quality panel directed authorities in the National Capital Region to enforce a ban on coal usage in hotels and restaurants, and to take punitive measures against polluting industries and thermal power plants as the air quality in Delhi plunged into the “poor” category.

This action comes as part of the government’s pollution control plan known as the ‘Graded Response Action Plan’ (GRAP) which is implemented in Delhi-NCR to combat air pollution during the winter season.

The Commission for Air Quality Management (CAQM), a statutory body responsible for proactively implementing GRAP, reported a “sudden decline” in air quality parameters in the region over the last 24 hours, with Delhi’s AQI reaching 212 (in the ‘poor’ category).

“It is essential to invoke Stage-I of GRAP immediately throughout the entire NCR to take steps to prevent further deterioration of air quality in the region,” the commission said in a statement.

GRAP categorizes actions into four stages: Stage I – ‘Poor’ (AQI 201-300), Stage II – ‘Very Poor’ (AQI 301-400), Stage III – ‘Severe’ (AQI 401-450), and Stage IV – ‘Severe Plus’ (AQI > 450).

Delhi’s humidity oscillated between 62 per cent and 50 per cent.

The weather department predicted mainly clear skies for Sunday. The maximum and minimum temperatures are likely to settle around 36 and 22 degrees Celsius respectively, IMD said.