What is the air quality trend in Serian?

Over the past 14 days, Serian had an average AQI of 47 based on station measurements. The worst day was 2026-07-19 with AQI 60.

How is Serian air quality measured?

Air quality in Serian 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 Serian, Malaysia

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

267h

PM2.5 Station

267h · 2 stations

Temperature GFS model

55pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	54	7–156	15.9 µg/m³	15h	2
2026-07-20	55	19–102	16.1 µg/m³	17h	2
2026-07-19	60	8–151	18.1 µg/m³	19h	2
2026-07-18	54	17–96	15.4 µg/m³	21h	2
2026-07-17	52	3–90	14.3 µg/m³	20h	2
2026-07-16	58	33–96	15.9 µg/m³	18h	2
2026-07-15	43	10–64	10.8 µg/m³	19h	2
2026-07-14	47	18–65	12.2 µg/m³	20h	2
2026-07-13	51	14–74	13.5 µg/m³	19h	2
2026-07-12	38	14–67	9.5 µg/m³	19h	2
2026-07-11	35	12–92	8.9 µg/m³	20h	2
2026-07-10	34	10–58	8.4 µg/m³	20h	2
2026-07-09	50	14–97	13.5 µg/m³	21h	2
2026-07-08	35	15–67	8.6 µg/m³	19h	2

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