Delhi enforces GRAP Stage IV as pollution worsens, banning the entry of non-state-registered BS3 petrol and BS4 diesel vehicles.

When air quality is poor, fine particulate matter (PM 2. 5, PM10), nitrogen dioxide, and other contaminants can travel deeper ...

The national capital will experience shallow fog at many places and moderate fog at isolated places during morning hours, the ...

Delhi's air quality remains hazardous due to dense smog. Authorities have tightened pollution curbs, including restricting ...