14 – 20 Oct 2026 · Malaysia

Samalaju weekly air quality

US AQI · PM2.5 · 24-hour source averages

90.7Weekly mean AQI · Moderate

Official DOE API mean: 73.8. Calculated separately from reported official observations.

Each DOE observation identified as PM2.5 is converted using the published API formula and US AQI breakpoints. This is not an official all-pollutant AQI or NowCast. Calculation details

168 eligible observations · 0 excluded.

-14.9 AQI compared with the previous week’s eligible mean of 105.6.

Peak AQI: 118 at Samalaju · 15 Oct 2026, 08:00 (UTC+8).

Daily US AQI (PM2.5)

Low 62High 118AQI

14 Oct20 Oct

20 OctDaily mean · Peak 7064.4Avg AQI

Based on 24 hourly readings.

Daily and hourly means use eligible observations across the selected locations. Each observation uses a 24-hour PM2.5 average.

Export AQI CSV

Means and peaks use only converted observations. Missing days remain gaps.

Day	Mean AQI	Peak AQI	Eligible / excluded
2026-10-14	103.7Unhealthy for Sensitive Groups	113	24 / 0
2026-10-15	114.4Unhealthy for Sensitive Groups	118	24 / 0
2026-10-16	101.6Unhealthy for Sensitive Groups	115	24 / 0
2026-10-17	84Moderate	91	24 / 0
2026-10-18	88.8Moderate	93	24 / 0
2026-10-19	77.9Moderate	88	24 / 0
2026-10-20	64.4Moderate	70	24 / 0

Hourly means (UTC+8)

Day	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23
2026-10-14	99	97	97	97	97	96	96	94	96	97	97	97	103	105	109	111	109	113	113	113	113	113	113	113
2026-10-15	113	113	113	113	113	115	115	117	118	118	118	118	117	115	115	113	115	111	111	111	113	113	113	115
2026-10-16	115	115	113	111	107	105	105	103	101	101	101	101	99	99	101	99	99	97	96	96	96	94	94	91
2026-10-17	91	91	91	91	91	91	90	88	87	86	84	83	83	83	80	81	80	80	80	78	78	77	75	77
2026-10-18	78	80	81	83	84	86	87	88	88	88	90	93	93	93	93	93	93	91	93	93	91	91	91	90
2026-10-19	88	86	86	83	83	83	83	81	80	80	78	77	77	77	77	75	75	74	72	71	71	72	71	70
2026-10-20	70	68	68	67	67	65	65	67	67	65	65	64	62	62	62	62	62	62	62	64	64	62	62	62

Observation categories

Good: 0

Moderate: 119

Unhealthy for Sensitive Groups: 49

Unhealthy: 0

Very Unhealthy: 0

Hazardous: 0

US AQI scale
AQI	Category
0–50	Good
51–100	Moderate
101–150	Unhealthy for Sensitive Groups
151–200	Unhealthy
201–300	Very Unhealthy
301+	Hazardous

Samalaju air quality.
Weekly station review.

14 – 20 Oct 20267 days · Sarawak

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi stesen Samalaju, Sarawak

During the week of 14 – 20 Oct 2026, air quality at Samalaju averaged an Air Pollutant Index (API) of 73.8 (Moderate). Readings peaked at 90.

Station weekly average

73.8API

Moderate · Sederhana

Daily averages56.5 – 87.8 APIWed → Tue

Explore the week

Week's peak reading: 90ModeratePeak during 7-day window
Rank in Sarawak: #9of 13 stationsState avg: 75.6 API
Good to Moderate air: 100%of hourly readings168 readings recorded
National standing: #22of 68 stationsNational avg: 108.7 API

Seven days of station air quality

Pergerakan purata harian dan julat bacaan sepanjang minggu

Archived API · Malaysia TimePoint, tap or use ← → to inspect

National averageStation peakMin–max rangeAPI bands7 of 7 points · 0–100 API

The average follows all available readings each day. The range spans the lowest and highest station readings; a national average can hide local peaks.

View chart data as a table

Archived national API, daily
Date / time	Average	Minimum	Peak
Wed, 14 Oct	82.3	77	87
Thu, 15 Oct	87.8	86	90
Fri, 16 Oct	81.2	75	88
Sat, 17 Oct	70	64	75
Sun, 18 Oct	73.3	66	76
Mon, 19 Oct	65.7	60	73
Tue, 20 Oct	56.5	55	60

The week, hour by hour

Bacaan setiap jam dari tengah malam hingga 11 malam

Read each row from midnight to 11pm, in Malaysia Time. Hourly air quality at Samalaju shows local patterns like traffic peaks and afternoon haze accumulation.

0255075100APIBrighter cells ran hazier than the rest of this week (55 – 90 API)

Haziest hour of the week: Thu at 08:00 MYT, averaging API 90 nationwide.

View the hourly figures as a table

National average API by hour, Malaysia Time
Day	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Wed	80	79	79	79	79	78	78	77	78	79	79	79	82	83	85	86	85	87	87	87	87	87	87	87
Thu	87	87	87	87	87	88	88	89	90	90	90	90	89	88	88	87	88	86	86	86	87	87	87	88
Fri	88	88	87	86	84	83	83	82	81	81	81	81	80	80	81	80	80	79	78	78	78	77	77	75
Sat	75	75	75	75	75	75	74	73	72	71	70	69	69	69	67	68	67	67	67	66	66	65	64	65
Sun	66	67	68	69	70	71	72	73	73	73	74	76	76	76	76	76	76	75	76	76	75	75	75	74
Mon	73	71	71	69	69	69	69	68	67	67	66	65	65	65	65	64	64	63	62	61	61	62	61	60
Tue	60	59	59	58	58	57	57	58	58	57	57	56	55	55	55	55	55	55	55	56	56	55	55	55

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik0%0
ModerateSederhana100%168
UnhealthyTidak Sihat0%0
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 168 hourly station readings.

What it meant for this area

Panduan kesihatan mengikut kategori kualiti udara

Air quality is acceptable. People with asthma, heart or lung conditions should reduce prolonged or heavy outdoor exertion.

Kualiti udara sederhana. Pesakit asma, jantung atau paru-paru dinasihatkan mengurangkan aktiviti berat di luar bangunan.

Malaysia API scale · Skala IPU Malaysia
API	Category	Kategori
0–50	Good	Baik
51–100	Moderate	Sederhana
101–200	Unhealthy	Tidak Sihat
201–300	Very Unhealthy	Sangat Tidak Sihat
301+	Hazardous	Berbahaya

Nearby monitoring stations around Samalaju

Perbandingan purata mingguan dengan stesen berhampiran

Bintulu69.9 API
Moderate51 away
Miri65.4 API
Moderate125 away
ILP Miri60.5 API
Moderate133 away

Day	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Wed	80	79	79	79	79	78	78	77	78	79	79	79	82	83	85	86	85	87	87	87	87	87	87	87
Thu	87	87	87	87	87	88	88	89	90	90	90	90	89	88	88	87	88	86	86	86	87	87	87	88
Fri	88	88	87	86	84	83	83	82	81	81	81	81	80	80	81	80	80	79	78	78	78	77	77	75
Sat	75	75	75	75	75	75	74	73	72	71	70	69	69	69	67	68	67	67	67	66	66	65	64	65
Sun	66	67	68	69	70	71	72	73	73	73	74	76	76	76	76	76	76	75	76	76	75	75	75	74
Mon	73	71	71	69	69	69	69	68	67	67	66	65	65	65	65	64	64	63	62	61	61	62	61	60
Tue	60	59	59	58	58	57	57	58	58	57	57	56	55	55	55	55	55	55	55	56	56	55	55	55

Day	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Wed	80	79	79	79	79	78	78	77	78	79	79	79	82	83	85	86	85	87	87	87	87	87	87	87
Thu	87	87	87	87	87	88	88	89	90	90	90	90	89	88	88	87	88	86	86	86	87	87	87	88
Fri	88	88	87	86	84	83	83	82	81	81	81	81	80	80	81	80	80	79	78	78	78	77	77	75
Sat	75	75	75	75	75	75	74	73	72	71	70	69	69	69	67	68	67	67	67	66	66	65	64	65
Sun	66	67	68	69	70	71	72	73	73	73	74	76	76	76	76	76	76	75	76	76	75	75	75	74
Mon	73	71	71	69	69	69	69	68	67	67	66	65	65	65	65	64	64	63	62	61	61	62	61	60
Tue	60	59	59	58	58	57	57	58	58	57	57	56	55	55	55	55	55	55	55	56	56	55	55	55