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Air Visual currently provides data for over 10,000 locations worldwide. The data on September 26 show that tp hcm City and Hanoi alternatively took the first and third places.
The air unique index over 100 is considered bad and people with respiratory & heart diseases are advised lớn stay home. If the index increased khổng lồ over 150, all citizens are affected. The index in Hanoi and hồ chí minh City are over 160 & sometimes reached 200.
The PAM air unique system in Vietnam also show the severely-polluted air in Hanoi và other northern provinces. The air quality index at 7 am on September 26 was from 150 khổng lồ 200. On the previous night, the air chất lượng index in Hanoi"s Dong Anh District was 228. Some other polluted locations are phố minh khai in Bac Tu Liem District and Hang Dau in Hoan Kiem District.
Many other provinces in the Red River Delta also experienced air pollution. The most polluted provinces are thai Binh, Hung Yen & Nam Dinh. Straw burning is blamed for causing pollution since the most polluted times are during the early morning and night. The most polluted locations are in the suburbs.
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The main cause for tp hcm City"s pollution is the trapped dust. According to lớn the Institute for Environment & Resources under the National University-HCM City, the smog in tp hcm City is mostly due to the high màn chơi of exhaust fumes from vehicles, industrial plants & Indonesian forest fires. However, the Center for Natural Resources và Environment Monitoring rejected the news.
Fine dust pollution is a huge problem in Hanoi.
The Green Innovation and Development Centre"s air report last year showed that the fine dust concentration in Hanoi was 40.1 micrograms per cubic metre, much higher than the national standard of 15 micrograms per cubic metre. However, pollution from June lớn September is often caused by straw burning activities.
Concerns are growing among residents across Hanoi regarding the poor quality of air that the đô thị has been experiencing over the past few days.
An exhibition on air pollution titled “Feel The Air” unfolded in Saigon recently.