KATHMANDU, Dec 9: The fine particulate matter (PM 2.5) reading which measures the air quality of a particular place docked at 30.8 micrograms per cubic meter (μg/m3) Friday afternoon between 2 and 3, the fairest air breathed in the country’s most-densely populated city.
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The air quality index (AQI), however, deteriorated in the morning hours between 8 and 9, measuring the worst of the day (90.75 μg/m3) between 9 and 10.
