Friday, March 28, 2025

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air quality

Hà Nội là thành phố ô nhiễm thứ 3 trên thế giới

Hanoi is the 3rd most polluted city in the world.

According to the IQAir air monitoring system, with the AQI index this morning at 259, Hanoi is the 3rd most polluted city in the list of 125 monitored cities in the world.

Air quality in Hanoi and Ho Chi Minh City at red alert level

This morning, Ho Chi Minh City and Hanoi both had red air quality, ranking 6th and 18th in the list of the most polluted cities in the world.
Hanoi is the 4th most air polluted city in the world.

According to IQAir, with an AQI of 198, Hanoi's air quality is at the 'unhealthy' red level, with the measuring station in Hoan Kiem district recording the highest AQI, a 'dangerous' brown level of 328.