What is the air quality trend in Miri?

Over the past 18 days, Miri had an average AQI of 102 based on station measurements. The worst day was 2026-09-01 with AQI 184.

How is Miri air quality measured?

Air quality in Miri 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 Miri, Malaysia

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

Historical PM2.5 and AQI trend from monitoring stations near Miri, Malaysia.

169

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

26h

PM2.5 Station

26h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-04	140	94–172	63.5 µg/m³	3h	2
2026-09-03	110	99–122	39.6 µg/m³	2h	2
2026-09-01	184	182–185	118.0 µg/m³	2h	2
2026-08-31	178	178–178	108.1 µg/m³	1h	2
2026-08-30	163	163–163	78.7 µg/m³	1h	1
2026-08-29	108	93–118	38.5 µg/m³	3h	2
2026-08-28	94	94–94	32.5 µg/m³	1h	2
2026-08-27	72	72–72	21.9 µg/m³	1h	2
2026-08-26	62	62–62	17.1 µg/m³	1h	2
2026-08-25	62	62–62	17.1 µg/m³	1h	3
2026-08-24	90	90–90	30.8 µg/m³	1h	3
2026-08-23	90	90–90	30.5 µg/m³	1h	2
2026-08-22	87	87–87	29.4 µg/m³	1h	2
2026-08-21	93	93–93	32.0 µg/m³	1h	2
2026-08-20	79	79–79	25.4 µg/m³	1h	1
2026-08-19	89	84–94	30.2 µg/m³	2h	2
2026-08-18	72	70–74	22.2 µg/m³	2h	2
2026-08-16	74	74–74	22.9 µg/m³	1h	2

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