World Air Quality Report 2022 highlights pollution hotspots
Envirotec Magazine
MARCH 24, 2023
The report incorporated data from more than 30,000 air quality monitoring stations across 7,323 locations in 131 countries, territories, and regions (compared to 6,475 locations in 117 such regions in 2021), which were analyzed by the group’s air quality scientists. Bangladesh (65.8 annual guideline Iraq (80.1
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