PM2.5 pollution still problematic across Việt Nam

Though the average PM2.5 concentration improved slightly in 2020, all provinces and cities in Việt Nam still had much higher levels than the WHO’s recommendation, according to data revealed at a workshop held virtually on Tuesday. In 2020, Việt Nam had 10 out of 63 provinces and cities with higher PM2.5 concentration levels than the national mandated threshold.

In the past few years, the state of PM2.5 in Việt Nam has been studied and published in reports and scientific journals by researchers from government agencies, universities, institutes, and social organisations. However, the data used in these reports are often limited in terms of timespan or geographical coverage and have not utilised open-source data, including data from satellites, and citizen science monitoring networks.

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