Only 13 of the world’s countries and territories had “healthy” air quality last year, according to a new report, as air pollution surged to alarming levels in 2022. The report by IQAir ...

The target air quality of PM2.5 is five micrograms per cubic meter or less. Only 13 countries, territories and regions globally met the World Health Organization's guidelines for healthy air ...

Just seven countries met World Health Organization guidelines for air pollution last year, as continued reliance on fossil fuels and climate change repercussions continue to dog human health ...

data collected by more than 30,000 ground-level air quality monitoring stations across 134 countries last year.