What is the air quality trend in Ilām?

Over the past 21 days, Ilām had an average AQI of 78 based on station measurements. The worst day was 2026-05-20 with AQI 90.

How is Ilām air quality measured?

Air quality in Ilām 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 Ilām, Nepal

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 4 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	70	69–71	20.8 µg/m³	3h	5
2026-05-29	67	62–71	19.8 µg/m³	24h	5
2026-05-28	73	63–104	22.6 µg/m³	24h	4
2026-05-27	79	70–106	25.2 µg/m³	24h	5
2026-05-26	73	63–93	22.7 µg/m³	24h	6
2026-05-25	90	73–109	30.4 µg/m³	24h	6
2026-05-24	85	70–145	28.2 µg/m³	24h	6
2026-05-23	84	73–115	27.8 µg/m³	24h	6
2026-05-22	78	67–108	25.0 µg/m³	22h	6
2026-05-21	87	71–119	29.2 µg/m³	24h	6
2026-05-20	90	79–117	30.7 µg/m³	24h	6
2026-05-19	75	68–86	23.6 µg/m³	24h	6
2026-05-18	79	70–93	25.7 µg/m³	24h	5
2026-05-17	81	72–102	26.3 µg/m³	24h	5
2026-05-16	77	71–93	24.5 µg/m³	24h	5
2026-05-15	81	71–105	26.3 µg/m³	24h	6
2026-05-14	68	60–77	20.2 µg/m³	24h	6
2026-05-13	77	66–92	24.4 µg/m³	24h	6
2026-05-12	83	72–117	27.1 µg/m³	24h	5
2026-05-11	75	64–164	24.2 µg/m³	24h	6
2026-05-10	71	60–86	21.4 µg/m³	20h	6

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