On July 29, many areas in Hanoi experienced thick fog, making the space blurred and limited. Air quality is at an alarming level, second in the world in terms of pollution.
Recorded at My Dinh bus station and along Ring Road 3, high-rise buildings are almost obscured by a thick layer of fog, mixed with smoke, dust and emissions from vehicles.
In polluted air conditions, most people wear masks to protect their health.
According to IQAir's monitoring results, on July 29, air quality in Hanoi was at the red threshold - the level warned of being harmful to health, topping the global air pollution ranking. The Department of Health Environment Management (Ministry of Health) recommends that when the air quality index (AQI) is 150 or higher, people should limit going out and avoid high-intensity physical activities to ensure health safety.