Question: Why is Hanoi so hazy?

Why is Vietnam so hazy?

Industrial and crop-burning emissions from the south have combined with local emissions from transport and household fuel burning to create a toxic smog, he suggested. Past serious air pollution episodes in Hanoi have been exacerbated by coal-fired power plants mainly in the east of the country.

Why is the air so bad in Hanoi?

Air pollution is not new in Hanoi, but remains as pressing an issue as ever. … The municipal authorities have blamed the low air quality on large-scale construction, large number of private vehicles, intensive industrial activity like steel and cement production, and coal-fired power plants.

Is Hanoi the most polluted city?

Hanoi: Hanoi was named as the most polluted city in the world, with Ho Chi Minh City not far behind. … On Thursday, Hanoi’s air quality index topped the 200 mark, which is considered hazardous. Although the air conditions slightly improved, Hanoi’s recorded air quality is still among the worst places in the world.

How bad is the pollution in Hanoi?

Meanwhile, Hanoi which is the capital city in the north ranked amongst the top 15 most polluted cities in South East Asia, according to the IQAir AirVisual 2019 World Air Quality Report, with a US AQI figure of 129. Ho Chi Minh City which is a large city in the south ranked as the cleanest with a US AQI figure of 79.

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Does Vietnam have smog?

Vietnam is struggling with alarming air pollution. Its two biggest cities, Hanoi and Ho Chi Minh City, are now among the top 15 polluted cities in Southeast Asia. … In 2019, Hanoi had only eight days with PM2. 5 lower than the national standard of 50 micrograms per cubic meter (µg/m3).

Why is Vietnam vulnerable to climate?

Unfortunately, Vietnam is identified by IPCC as one of the countries likely to be most affected by climate change due to its extensive coastline, vast deltas and floodplains, location on the path of typhoons as well as its large population in poverty.

What is the air quality in Hanoi?

Hanoi Air Pollution: Real-time Air Quality Index (AQI)

Current Min
PM2.5 AQI 35 19
PM10 AQI 26 16
O3 AQI 8 5
NO2 AQI 27 8

How is Ho Chi Minh City polluted?

Ho Chi Minh City is classed as a moderately polluted city in South East Asia. From 2017 to 2018, the PM2. 5 level rose from 23.6 to 26.9 micrograms per cubic meter (µg/m³). These levels are more than double those recommended by the WHO (World Health Organisation) as an annual guideline.