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Hanoi is the second most polluted city in Southeast Asia

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Social Issues

March 16

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According to a 2022

annual survey
by IQAir,
a Swiss maker of air purifiers
, Hanoi has the second worst air quality in Southeast Asia after Pasarkemis in Indonesia. 

The Vietnamese capital city's air quality has worsened to 40.1 micrograms of PM2.5 particles per cubic meter in 2022 from 36.2 in 2021, making it the 18th most polluted among 116 capital cities. Additionally,

the country's most populous city
, Ho Chi Minh City, has also seen its PM2.5 concentrations rise by 9.3% from the previous year to 21.2 μg/m3.

Vietnam has an annual average PM2.5 concentration of 27.2 μg/m3, which ranks it as the third most polluted country in Southeast Asia, after Indonesia (30.4) and Laos (27.6). In the world, Vietnam is ranked as the 30th most polluted country.

Từ vựng

VOCAB 1/3

annual survey

khảo sát hàng năm

card-vocab

a Swiss maker of air purifiers

một nhà sản xuất máy lọc không khí của Thụy Sĩ

card-vocab

the country's most populous city

thành phố đông dân nhất của đất nước

card-vocab

Quiz

QUIZ 1/3

Which country has the highest annual average PM2.5 concentration in Southeast Asia?

Laos

0% chọn

Vietnam

0% chọn

Indonesia

0% chọn

What is the rank of Hanoi among 116 capital cities in terms of air pollution in 2022?

Which city in Vietnam saw a rise in PM2.5 concentrations from the previous year?

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