The national capital, Delhi, was placed under GRAP IV due to severe air pollution.
GK and monthly revision
A week when Delhi’s air turned lethal
Delhi experienced lethal air quality, with the AQI dropping to 441, triggering the implementation of GRAP IV since December 13. This highlights the severe and persistent air pollution crisis in the national capital, demanding urgent environmental policy interventions. Understanding GRAP stages and AQI values is vital for competitive exams, especially for environment and governance sections.
Source: Down To Earth. This summary and analysis are AI-written from that report and are not individually fact-checked — confirm names, dates and figures with the source before you rely on them.
Revision structure
Monthly events and exam calendar context
Static GK and one-liner notes
Quiz and mock-test revision path
Key points
Exam-ready takeaways
GRAP IV was implemented in Delhi starting from December 13.
The Air Quality Index (AQI) in Delhi dropped to 441, categorizing the air as 'severe'.
GRAP stands for Graded Response Action Plan, a set of emergency measures to combat air pollution.
An AQI of 401-500 falls under the 'Severe' category, requiring GRAP IV implementation.
How to study
Turn news into exam marks
Revise monthly events by exam family instead of reading random updates.
Pair one-liners with mock tests so mistakes become the next revision list.
Note which exams each story matters for, and revise it again in the week before that exam.