Delhi Pollution Worsens, Air Quality Turns Severe, Thick Smog Covers City

On Sunday, December 14th, air pollution in Delhi, India, reached a 'severe' level, with a thick layer of smog covering the city. The air quality index (AQI) hit 462 early in the morning, and all 40 monitoring stations in the city showed 'severe' readings, with some nearing the maximum reading of 500.

The smog was so thick that it caused very low visibility, with people needing to drive with their headlights on during the day.

To fight this dangerous pollution, officials have put in place strict emergency rules known as GRAP-4, which include a ban on most trucks entering Delhi and a halt to all construction work.

Weather experts say the main cause of this sudden pollution spike is the calm winds and high moisture in the air. These weather conditions have trapped pollution close to the ground, preventing it from dispersing.

I hope this simple summary is helpful. If you'd like more details about the specific restrictions under the GRAP-4 rules, feel free to ask.

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