Air quality in localities throughout the northern region have shown signs of improvement, according to data collected by the Vietnam Environment Administration under the Ministry of Natural Resources and Environment.

According to the results from 31 points of key economic zones and urban areas that were gathered between May 8 and 25, temperatures tended to hover around 28.6 degrees Celsius to 37.2 degrees Celsius, with humidity calculated between 63.7% and 77.2%.

Furthermore, the Total Suspended Particles (TSP) index witnessed a sharp drop in automatic environment monitoring stations that are located in close proximity to industrial zones (IZ).

The index falls within the permitted level in IZ in Hanoi, Bac Ninh, Quang Ninh, and Hai Duong provinces. Most notably, it increases slightly in Nhu Quynh IZ in Hung Yen province and Quang Minh IZ in Vinh Phuc province, exceeding the allowed level set by Vietnamese National Standards.

In relation to traffic points, the index in May decreased strongly in comparison to May, 2019.

Moreover, the data shows that a similar situation is occurring in urban areas.