KATHMANDU, April 30: Kathmandu, the capital city of Nepal, has been identified as the most polluted city globally.
Kathmandu’s air quality has been classified as “very unhealthy,” with PM2.5 levels reaching a concerning 181 micrograms per cubic meter (μg/m³) as of 9:00 AM on Tuesday.
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Data from IQ AirVisual, a Swiss organization specializing in global air-quality information, indicates that Kathmandu’s PM2.5 concentration surpasses the annual air quality guideline value set by the World Health Organization (WHO) by a staggering 22.7 times. PM2.5, the primary airborne pollutant comprising solid or liquid droplets with a diameter of less than 2.5 micrometers, poses severe health risks.
