Toxic smog has shrouded Pakistan's eastern city of Lahore for days as surging pollution spurs authorities to curb activities and set up a panel to oversee preventive efforts. Here is a look at what causes the hazardous air,

PM IST Delhi's air quality turned 'severe' for the first time this season on Wednesday, with the AQI soaring to 418. The national capital also overtook the Pakistani city Lahore to become the world's most polluted city in Swiss group IQAir's live rankings.

The Indian capital outsmogs Lahore, reaching hazardous AQI levels. Thick smog shrouds the city as emissions and waste burning push pollution.

Toxic smog has shrouded Pakistan's eastern city of Lahore for days as surging pollution spurs authorities to curb activities and set up a panel to oversee preventive efforts.

Delhi and its neighbouring cities are experiencing pollution levels that are at least 30-35 times the safe limit recommended by the World Health Organization (WHO). Every year, De

Delhi surpassed Lahore as the world's most polluted city, with its air quality index reaching a 'severe' 418. The smog, a mix of fog and smoke, reduced visibility, causing flight diversions. Low wind speed,

The toxic smog that has enveloped India's capital worsened on Wednesday morning as temperatures dropped and the seasonal winter haze set in, reducing visibility in some areas and possibly affecting flights.

Delhi overtook Pakistan ’s Lahore as the world’s most polluted city in Swiss group IQAir’s live rankings, with an air quality index (AQI) score of more than 1,000, which is considered “hazardous”, but India ’s pollution authority said the AQI was around 350.