In 2020, nitrogen dioxide levels in urban areas of Hong Kong averaged five micrograms per cubic meter. By contrast, roadside nitrogen dioxide levels reached an average of 70 micrograms per cubic meter.
Air pollutant levels in Hong Kong in 2020, by area and pollutants
(in micrograms per cubic meter)
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National Bureau of Statistics of China. (October 9, 2021). Air pollutant levels in Hong Kong in 2020, by area and pollutants (in micrograms per cubic meter) [Graph]. In Statista. Retrieved October 29, 2024, from https://www.statista.com/statistics/317196/hong-kong-air-quality-by-area/
National Bureau of Statistics of China. "Air pollutant levels in Hong Kong in 2020, by area and pollutants (in micrograms per cubic meter)." Chart. October 9, 2021. Statista. Accessed October 29, 2024. https://www.statista.com/statistics/317196/hong-kong-air-quality-by-area/
National Bureau of Statistics of China. (2021). Air pollutant levels in Hong Kong in 2020, by area and pollutants (in micrograms per cubic meter). Statista. Statista Inc.. Accessed: October 29, 2024. https://www.statista.com/statistics/317196/hong-kong-air-quality-by-area/
National Bureau of Statistics of China. "Air Pollutant Levels in Hong Kong in 2020, by Area and Pollutants (in Micrograms per Cubic Meter)." Statista, Statista Inc., 9 Oct 2021, https://www.statista.com/statistics/317196/hong-kong-air-quality-by-area/
National Bureau of Statistics of China, Air pollutant levels in Hong Kong in 2020, by area and pollutants (in micrograms per cubic meter) Statista, https://www.statista.com/statistics/317196/hong-kong-air-quality-by-area/ (last visited October 29, 2024)
Air pollutant levels in Hong Kong in 2020, by area and pollutants (in micrograms per cubic meter) [Graph], National Bureau of Statistics of China, October 9, 2021. [Online]. Available: https://www.statista.com/statistics/317196/hong-kong-air-quality-by-area/