VOV.VN - On April 14, residents of Hanoi are once again facing dangerous air quality, with multiple monitoring stations reporting unhealthy and even very unhealthy levels.

VOV.VN - Hanoi and the northern provinces are facing severe air pollution, which is expected to improve slightly but will persist in the coming days, prompting the Ministry of Health to issue a warning about its impact on human health.

VOV.VN - The global air quality tracking application Air Visual on January 5 recorded Hanoi as the third most polluted city in the world, trailed only by Dhaka in Bangladesh and Baghdad in Iraq.

VOV.VN - The Ministry of Health has recommended that Vietnamese kindergartens and elementary schools consider temporarily closing the door if air pollution in their localities climbs to hazardous levels for three consecutive days.

VOV.VN - PAM Air monitoring stations in Hanoi reported that the Air Quality Index (AQI) in areas of the capital have reached hazardous levels, mostly in densely-populated areas near schools and kindergartens which have an adverse impact on the health of children and the elderly.