What is the air quality trend in Lahān?

Over the past 3 days, Lahān had an average AQI of 129 based on station measurements. The worst day was 2026-10-19 with AQI 138.

How is Lahān air quality measured?

Air quality in Lahān 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 Lahān, Nepal

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

Historical PM2.5 and AQI trend from monitoring stations near Lahān, Nepal.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

45h

PM2.5 Station

45h · 4 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	116	77–155	43.1 µg/m³	59.9	6h	4
2026-10-20	135	79–171	57.0 µg/m³	71.7	24h	5
2026-10-19	138	81–162	55.9 µg/m³	72.2	15h	5

Back to Lahān Air Quality