GRAP Stage 4 (IV) restrictions in Delhi today

What is restricted under Stage IV

Stage IV comes into force when Delhi’s AQI is recorded or forecast at AQI above 450 (Severe+). Stage IV also keeps every measure from the earlier stages.

• Trucks barred from entering Delhi, except those carrying essentials or running on CNG, electric or BS-VI diesel
• Construction stopped, including public linear projects like roads and flyovers
• More school classes may move to hybrid or online
• Offices may be asked to run at 50% staff with work from home

Stage III AQI 401–450 (Severe)

• Ban on non-essential construction and demolition work
• Stone crushers and mining stopped
• BS-III petrol and BS-IV diesel four-wheelers restricted in Delhi and nearby NCR districts
• Primary school classes may move to hybrid or online

Stage II AQI 301–400 (Very Poor)

• Diesel generator use regulated
• Higher parking fees to discourage private vehicles
• More CNG/electric buses and metro services
• Daily mechanical sweeping and water sprinkling on major roads

Stage I AQI 201–300 (Poor)

• Strict dust control at construction and demolition sites
• Ban on open burning of garbage and waste
• Hotels, restaurants and dhabas must not use coal or firewood
• Strict checks on vehicle pollution (PUC) and visibly polluting vehicles