GRAP stage 4 imposed as Delhi-NCR AQI hits 'severe plus': Full list of bans - truck ban, construction halt, work from home

GRAP Stage 4: Air quality in Delhi slipped into the ‘Severe Plus’ category, with the Air Quality Index (AQI) crossing 450.
The Financial Express

GRAP Stage IV imposed in Delhi: What’s closed, what’s open amid ‘Severe+’ toxic air

GRAP Stage IV, categorised as “Severe+”, is triggered when the AQI crosses the 450 mark. The decision was taken as pollution levels showed signs of worsening further.

Delhi Air Quality nears 500 today: GRAP stage 4 comes into force; check what’s allowed and what’s not

Delhi's air quality plunged into the 'severe' category with an AQI of 462, prompting the CAQM to enforce GRAP Stage 4 ...
Outlook Business

GRAP Stage IV Curbs Invoked in Delhi-NCR Amid Sharp Dip in Air Quality

Delhi-NCR activates GRAP Stage IV after a sharp air quality decline, triggering strict curbs on construction, vehicles and outdoor activities to limit pollution exposure.