The smog is extremely hazardous for those having a history of respiratory illness and heart patients are specially advised to take special care

The city breathed easy on Thursday as the air quality marginally improved over Wednesday, when the air quality index (AQI) was recorded at 320.

LUCKNOW: Pollution level soared again in Lucknow with change in weather condition. For the second time in the month, the city was engulfed in dense smog on Tuesday.

Patna: The air quality index (AQI) in the state capital on Tuesday stood at 476, the highest in the country and probably the highest-ever in the city.

The capital is recording its best November-end air quality in three years.

Weeks after the air pollution levels in Gurgaon rose to 'severe' category post Diwali, the PM 2.5 in the city again shot up to the maximum level of 248u/mg on Thursday evening, according the Centra

Delhi, Faridabad and Varanasi have the poorest air quality among the 32 Indian cities which are connected to the web-based system National Air Quality Index Portal.

NAVI MUMBAI: Environmentalists have criticized the practice of burning dry grass by the roadsides and near railway tracks during the winter, as since it causes smog, leading to respiratory ailments