VOV.VN - A cold air mass that swept across northern and north-central Vietnam over the past two days, bringing rain and a sharp drop in temperatures, began to weaken on December 15, allowing temperatures to rise by 3-4°C, weather officials said.

VOV.VN - Hanoi recorded hazardous air pollution levels on the evening of December 7, with fine particulate matter (PM2.5) spiking to 35 times the World Health Organisation’s recommended limit and the city briefly ranking as the world’s most polluted, according to air quality monitor IQAir.

VOV.VN - Air quality in Hanoi deteriorated sharply on the morning of November 30, with multiple monitoring stations reporting air quality index (AQI) readings above 200, the city’s worst levels since the start of winter.

Vice Chairman of the Hanoi People’s Committee Nguyen Manh Quyen on November 6 received Sylvain Ouillon, Chief Representative of the French National Research Institute for Sustainable Development (IRD) in Vietnam, to discuss potential cooperation in air quality monitoring and pollution reduction in the capital city.

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.

The Government has set a goal for Hanoi and Ho Chi Minh City to bring air pollution levels within the safe threshold for human health within the next five years.

VOV.VN - Hanoi’s air quality has worsened since March 20 and the situation continued to deteriorate on March 21 morning, with many monitoring stations reporting unhealthy and even very unhealthy levels.

VOV.VN - Air pollution in Hanoi showed no improvement on the morning of February 11, as the capital remained among the world's most polluted cities with an Air Quality Index (AQI) ranging from 151 to 200.

VOV.VN - Ho Chi Minh City, which is Vietnam’s economic and cultural hub, is grappling with increasingly severe air pollution these days, with its air quality index (AQI) value the second highest in the world.

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.