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2024-04-16 00:43:15

Weather apps offer unreliable data

HÀ NỘI — Hà Nội's residents have been advised to be watchful of the applications they use to check the city's air quality.

Hà Đăng Sơn, head of the Centre for Energy and Green Growth Research under the Việt Nam Union of Science and Technology Associations, said that some of the information available via apps was unreliable and unverified.

He was speaking at a workshop themed “Understanding Correctly About Air Pollution in Hà Nội” co-held by the city’s Natural Resources and Environment Department and Live Learn for Environment and Co妹妹unity.

Sơn said people were overwhelmed because there was too much information compared to three years ago.

Hà Nội had two types of air quality monitoring equipment. The first was a series of observation stations that met international standards and monitored air quality on a large scale. The second was a series of cheap sensors that only monitored on a small scale, he added.

The city’s Environmental Protection Department used the stations to source reliable data, even though it was not available instantaneously. Meanwhile, unofficial monitoring sites such as Airvisual and Pam Air used the smaller devices which were inaccurate, Sơn said.

Economic consequence

Professor Hoàng Xuân Cơ, a senior lecturer at the University of Science, said the poor air quality in Hà Nội recently was a consequence of economic development.

This was co妹妹on in countries where development was heating up, Cơ said.

Cơ said there was a link between the adverse conditions and Gross Domestic Product (GDP) growth, especially in developing countries like Việt Nam.

“We are a developing country, we have to accept an exchange (for our growth), but the exchange should be at an acceptable level,” he added.

According to Cơ, the Government and the city had taken positive steps to curb air pollution in recent years.

For example, the Government had phased out leaded gasoline, improved emissions standards and promoted clean energy.

However, the current system to monitor air quality needed to be improved, he said. — VNS

Weather apps offer unreliable data


Weather apps offer unreliable data


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mua xổ số online-【 sòng bài trực tuyến】主要经营:,Weather apps offer unreliable dataHÀ NỘI — Hà Nội's residents have beenadvised to be watchful of the ap