The IQAir air pollution index measuring application at 8am this morning ranked Hanoi as the second most polluted city in the world with an AQI of 234. After Kolkata, India.
Quang Khanh measuring point (Tay Ho) still ranks first in Hanoi's pollution index with AQI at the brown threshold of 324 - a threshold harmful to human health.
Air pollution around West Lake area is still recurring, many measuring points recorded purple threshold AQI index such as To Ngoc Van AQI 298, West Lake Compound AQI 291, Ciputra AQI 264, Tu Hoa AQI 246, Quang Ba AQI 262...
Many other measuring points also recorded purple thresholds such as Vinhomes Riverside (Hoan Kiem) AQI 249, Cu Khoi (Long Bien) AQI 234, Hoang Quoc Viet AQI 248...
With the air quality index at hazardous levels (AQI at 301-500), normal people should avoid outdoor activities, switch to indoor activities or switch to another day when the air quality index is better. Close windows and doors to limit and avoid exposure to pollutants. For sensitive people, it is necessary to avoid all outdoor activities and switch to indoor activities. Close windows and doors to limit and avoid exposure to pollutants.
According to Dr. Hoang Duong Tung - Chairman of the Vietnam Clean Air Network, air pollution occurs due to poor control of pollution sources, from traffic, construction... Moreover, in winter, it does not create conditions for dispersion, so the concentration of pollution is high.
In 2025, Hanoi will focus on priority tasks including perfecting policy institutions, inventorying emission sources, reducing emissions from major emission sources, prioritizing solutions in inner-city areas with high population density, traffic and economic development; establishing a warning and response mechanism for serious air pollution.
The AQI is an air quality index that ranges from 0-500, with higher numbers indicating higher levels of pollution and health impacts. Readings above 300 are considered unhealthy, while 0-50 indicate good air quality.