Just ahead of Diwali, the air quality in Delhi deteriorates to the "very poor" category for the first time this season. The overall air quality index (AQI) of the city was 303 on November 2, according...
Just ahead of Diwali, the air quality in Delhi deteriorates to the "very poor" category for the first time this season. The overall air quality index (AQI) of the city was 303 on November 2, according...