The AQI reading at 8 AM was 173 at the Parabol Gate of Hanoi University of Technology on Giai Phong Street. The reading at Khuat Duy Tien Park on Nhan Chinh Street was 151; and at 556 Nguyen Van Cu Street it was 156. Poor air quality can cause serious health problems for sensitive individuals.
The primary pollution indicator is PM 2.5 fine particulate matter. Air pollution began to worsen yesterday due to unfavorable meteorological conditions for dispersion, such as calm winds and temperature inversion.
Hanoi's environmental monitoring portal only displays readings from four stations, three of which overlap with those of the Department of Environment ( Ministry of Agriculture and Environment ). The remaining station at 46 Luu Quang Vu Street shows poor readings. In previous years, the capital's air pollution monitoring system regularly displayed readings from 20-30 stations.
At the same time, IqAir – a website that compiles data from air quality monitoring stations worldwide – ranked Hanoi as the 5th most polluted city, below two cities in India, one in Pakistan, and one in Uzbekistan.
Hanoi's air quality is poor, but surrounding areas do not report this situation. Stations at Tien Son Industrial Park (Bac Ninh) and Tan Quang (Hung Yen) recorded AQI indices below 50, equivalent to good levels. Stations in Gia Binh, Tu Son, Thuan Thanh (Bac Ninh); and Viet Tri (Phu Tho) recorded moderate levels.
According to the Department of Environment, Hanoi is entering its peak air pollution season, which lasts from November to April of the following year. Sources of pollution include traffic, construction, industry, domestic activities, and climatic conditions.
Hanoi has been implementing various solutions to reduce air pollution, including removing gasoline-powered motorbikes from the Ring Road 1 starting in July 2026; expanding to Ring Road 2 in 2028 and Ring Road 3 two years later.
At the central level, the Ministry of Agriculture and Environment is developing emission standards for automobiles, motorcycles, and scooters. According to the latest draft, Hanoi and Ho Chi Minh City are expected to conduct emission testing starting July 1, 2027, expanding to other centrally-governed cities a year later, and nationwide by 2030.
Regarding regulations, it is projected that motorcycles manufactured before 2008 will apply level one; from 2008 to 2016 level two; from 2017 to June 30, 2026 level three; and from July 2026 onwards level four. For mopeds, level one will apply to vehicles manufactured before 2016, level two to vehicles from 2017 to June 30, 2026, and level three to vehicles from July 2027 onwards.
In Hanoi and Ho Chi Minh City alone, from January 1, 2028, motorbikes and scooters in circulation must reach level two or higher.
Source: https://baohaiphong.vn/chat-luong-khong-khi-ha-noi-o-muc-xau-526936.html
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