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PM2.5
Which Southeast Asian country is home to the world's fastest-sinking city?

Which Southeast Asian country is home to the world's fastest-sinking city?

This city is sinking by up to 25 centimeters a year, faster than anywhere else on Earth.
Ho Chi Minh City plans to impose full gasoline motorbike ban in downtown areas in 2028

Ho Chi Minh City plans to impose full gasoline motorbike ban in downtown areas in 2028

Ho Chi Minh City ranks among world's 10 most polluted cities as air quality hits unhealthy levels Saturday

Ho Chi Minh City ranks among world's 10 most polluted cities as air quality hits unhealthy levels Saturday

Hanoi's air quality plummets in worst pollution wave of winter

Hanoi's air quality plummets in worst pollution wave of winter

Hanoi woke up on Dec. 11 to its most severe pollution episode of the winter, as monitoring stations across the capital reported AQI levels above 220, a range considered "very unhealthy" for the general population.
December 10, 2025 | 09:39 pm PT
From Beijing to London: Cities show what happen when they crack down on polluting vehicles

From Beijing to London: Cities show what happen when they crack down on polluting vehicles

Once struggling with severe air pollution, Beijing, Seoul, Tokyo and London show how their crackdown on emissions, especially from older diesel trucks and buses, can improve the cities' air far faster than most people expect.
December 8, 2025 | 02:56 pm PT
Hanoi orders emergency measures as air pollution set to worsen in coming days

Hanoi orders emergency measures as air pollution set to worsen in coming days

Hanoi is bracing for one of its worst air-pollution spells of the year, pushing the government to roll out emergency measures as stagnant winds and temperature inversion trap toxic particles over the capital and northern provinces.
November 28, 2025 | 03:01 pm PT
Hanoi to ban gasoline motorbikes during specific hours starting July 2026

Hanoi to ban gasoline motorbikes during specific hours starting July 2026

Hanoi will begin limiting gasoline motorbikes to specific hours from July 2026, rolling out the city's first low-emission zone as part of a phased plan to curb traffic pollution in its busiest districts.
November 27, 2025 | 12:32 am PT
Unhealthy smog returns to Hanoi as stagnant weather traps PM2.5

Unhealthy smog returns to Hanoi as stagnant weather traps PM2.5

Hanoi woke up to another heavy smog episode on Nov. 17, as all three national air-quality monitoring stations reported "unhealthy" pollution levels across the capital.
November 16, 2025 | 10:06 pm PT
Air pollution might cost Bangkok nearly $90M in damage

Air pollution might cost Bangkok nearly $90M in damage

Economic damage from opportunity loss caused by air pollution, exceeding an average of 100µg/m³ on the Air Quality Index (AQI) in and around Bangkok over a one-month period, has been estimated at about THB3 billion (US$89.4 million), according to an assessment by Thailand’s Kasikorn Research Center (KRC).
January 27, 2025 | 10:57 pm PT
Thailand, Cambodia jointly tackle PM2.5 pollution on border

Thailand, Cambodia jointly tackle PM2.5 pollution on border

Thailand's army and Sa Kaeo provincial administration have joined hands with Cambodian authorities in tackling PM2.5 air pollution on the border, reported The Nation newspaper.
February 17, 2024 | 10:32 pm PT
Hanoi air pollution worst in the country in 2020: researchers

Hanoi air pollution worst in the country in 2020: researchers

Hanoi had the highest annual average PM2.5 concentration of all Vietnam localities in 2020, researchers said at a conference Wednesday.
December 1, 2021 | 04:30 pm PT
Not to put too fine a point on it, fine dust kills

Not to put too fine a point on it, fine dust kills

The full stop at the end of this sentence is 1,000 times bigger, which only makes fine dust a silent, deadly assassin.
January 20, 2021 | 04:00 pm PT
Government report labels Hanoi most polluted city in Vietnam

Government report labels Hanoi most polluted city in Vietnam

Hanoi had the most polluted air in Vietnam last month, with the highest PM2.5 levels and AQI, a recent government report showed.
June 5, 2020 | 07:00 pm PT
Demand for air purifiers surges

Demand for air purifiers surges

Public concern over air quality has seen demand for air purifiers skyrocket since mid-September in Hanoi and Ho Chi Minh City.
October 3, 2019 | 06:01 pm PT
Hanoi air quality bad on 60 days last year, but ‘not too alarming’: official

Hanoi air quality bad on 60 days last year, but ‘not too alarming’: official

Hanoi suffered 60 days of poor air quality last year but “people shouldn’t be too alarmed,” an environment ministry official has said.
April 10, 2019 | 10:54 pm PT
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