What is the air quality trend in Kathmandu?

Over the past 14 days, Kathmandu had an average AQI of 69 based on station measurements. The worst day was with AQI .

How is Kathmandu air quality measured?

Air quality in Kathmandu is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Kathmandu, NP

Name: Kathmandu Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Kathmandu, NP.

Current AQI
Moderate

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

249h · 2 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-10	55	16–84	15.4 µg/m³	25.8	20h	2
2026-04-09	41	23–74	10.7 µg/m³	20.0	16h	1
2026-04-08	61	34–89	17.8 µg/m³	28.7	9h	2
2026-04-07	44	19–70	11.4 µg/m³	19.6	24h	1
2026-04-06	56	15–99	16.0 µg/m³	26.6	17h	2
2026-04-04	104	47–158	37.0 µg/m³	61.8	15h	2
2026-04-03	95	38–141	32.5 µg/m³	53.8	24h	2
2026-04-02	83	43–129	27.1 µg/m³	44.1	20h	3
2026-04-01	84	59–152	27.5 µg/m³	43.8	22h	3
2026-03-31	78	32–157	25.8 µg/m³	39.2	21h	3
2026-03-30	68	52–95	20.1 µg/m³	31.0	11h	2
2026-03-29	77	43–192	26.7 µg/m³	42.2	23h	2
2026-03-28	62	42–87	17.5 µg/m³	26.7	23h	2
2026-03-27	58	47–67	15.8 µg/m³	21.3	4h	3

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