Thick Smog Shrouds Delhi As Air Quality Index Nears 500 — IN PICS

Delhi was shrouded in a thick grey haze for the third straight day on Tuesday, the pollution levels were recorded to be in the 'severe plus' category.

Delhi was shrouded in a thick grey haze for the third straight day on Tuesday, the pollution levels were recorded to be in the 'severe plus' category.

Delhi's Air Quality Index (AQI) was recorded at 488 at 9 am, according to Central Pollution Control Board (CPCB) data. (Photo: PTI)

Of the 32 monitoring stations in the capital, 31 recorded AQI levels exceeding 480. Two stations, Alipur and Sonia Vihar, maxed out at 500. (Photo: PTI)

Delhi's air quality first entered the 'severe plus' category on Sunday, prompting the implementation of tighter pollution control measures. (Photo: PTI)

These measures include a ban on the entry of trucks except for those carrying essential items or using clean fuel (LNG/CNG/BS-VI diesel/electric), a ban on construction and demolition activities and school closures. (Photo: PTI)

On Monday, Delhi recorded its second-worst air quality in six years with the AQI touching 494. (Photo: PTI)