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Almost nowhere on Earth safe from PM2.5, says Melbourne study

Envirotec Magazine

A lack of pollution monitoring stations has meant a shortfall of data on local, national, regional and global PM 2.5 concentrations at a high spatial resolution of approximately 10km ×10km for global grid cells in 2000-2019, focusing on areas above 15 μg/m³ which is considered the safe limit by WHO (The threshold is still arguable),” he said.

Asia 264
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Counting the microns

Envirotec Magazine

A couple of recent studies attempt to document the changing profile of this pollutant, and its prevalence in different regions of the world. Reacting to IQAir’s latest report, Greenpeace International senior air quality scientist Aidan Farrow said that “In 2023 air pollution remained a global health catastrophe.” levels in 2023.

Asia 147