21 – 27 Oct 2026 · Malaysia

Limbang weekly air quality

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

69.2Weekly mean AQI · Moderate

Official DOE API mean: 57.3. 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

148 eligible observations · 0 excluded.

+4.4 AQI compared with the previous week’s eligible mean of 64.8.

Peak AQI: 99 at Limbang · 24 Oct 2026, 15:00 (UTC+8).

Daily US AQI (PM2.5)

Low 47High 99AQI

21 Oct27 Oct

27 OctDaily mean · Peak 5555Avg AQI

Based on 4 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
2026-10-21	52.6Moderate	54	24 / 0
2026-10-22	51.4Moderate	59	24 / 0
2026-10-23	72.6Moderate	84	24 / 0
2026-10-24	93Moderate	99	24 / 0
2026-10-25	87.6Moderate	97	24 / 0
2026-10-26	60.2Moderate	72	24 / 0
2026-10-27	55Moderate	55	4 / 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
2026-10-21	53	53	53	53	53	53	53	53	54	54	54	53	54	53	52	52	52	52	51	51	51	52	52	51
2026-10-22	51	51	51	49	51	48	48	48	47	47	48	52	52	51	49	49	51	52	53	55	56	57	58	59
2026-10-23	61	62	62	64	65	65	67	68	68	70	70	70	71	72	75	78	80	81	81	81	81	83	84	84
2026-10-24	84	86	86	87	87	88	90	90	91	93	93	94	96	97	97	99	99	97	97	96	96	96	96	96
2026-10-25	96	97	97	97	96	96	94	94	94	93	93	91	88	86	83	81	81	81	81	80	78	77	75	74
2026-10-26	72	71	68	67	65	64	64	62	61	59	59	58	58	58	58	57	55	55	55	56	57	56	55	55
2026-10-27	55	55	55	55	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

Observation categories

Good: 9

Moderate: 139

Unhealthy for Sensitive Groups: 0

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

Limbang air quality.
Weekly station review.

21 – 27 Oct 20267 days · Sarawak

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

During the week of 21 – 27 Oct 2026, air quality at Limbang averaged an Air Pollutant Index (API) of 57.3 (Moderate). Readings peaked at 80.

Station weekly average

57.3API

Moderate · Sederhana

Daily averages40.5 – 76 APIWed → Tue

Explore the week

Week's peak reading: 80ModeratePeak during 7-day window
Rank in Sarawak: #1of 13 stationsState avg: 87.3 API
Good to Moderate air: 100%of hourly readings148 readings recorded
National standing: #16of 68 stationsNational avg: 83.8 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, 21 Oct	41.6	39	45
Thu, 22 Oct	40.5	35	53
Fri, 23 Oct	62.1	54	70
Sat, 24 Oct	76	70	80
Sun, 25 Oct	72.5	63	79
Mon, 26 Oct	53	47	62
Tue, 27 Oct	47	47	47

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 Limbang shows local patterns like traffic peaks and afternoon haze accumulation.

0255075100APIBrighter cells ran hazier than the rest of this week (35 – 80 API)

Haziest hour of the week: Sat at 15:00 MYT, averaging API 80 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	42	42	42	43	42	43	43	43	45	45	45	42	44	42	40	40	40	40	39	39	39	40	40	39
Thu	39	38	38	37	38	36	36	36	35	35	36	41	40	39	37	37	38	41	43	47	49	51	52	53
Fri	54	55	55	56	57	57	58	59	59	60	60	60	61	62	64	66	67	68	68	68	68	69	70	70
Sat	70	71	71	72	72	73	74	74	75	76	76	77	78	79	79	80	80	79	79	78	78	78	78	78
Sun	78	79	79	79	78	78	77	77	77	76	76	75	73	71	69	68	68	68	68	67	66	65	64	63
Mon	62	61	59	58	57	56	56	55	54	53	53	52	52	52	52	51	48	48	47	49	51	50	48	48
Tue	47	47	47	47	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik38%56
ModerateSederhana62%92
UnhealthyTidak Sihat0%0
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 148 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 Limbang

Perbandingan purata mingguan dengan stesen berhampiran

Labuan65.4 API
Moderate65 away
ILP Miri62.9 API
Moderate111 away
Miri64.4 API
Moderate117 away
Kimanis49.9 API
Good134 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	42	42	42	43	42	43	43	43	45	45	45	42	44	42	40	40	40	40	39	39	39	40	40	39
Thu	39	38	38	37	38	36	36	36	35	35	36	41	40	39	37	37	38	41	43	47	49	51	52	53
Fri	54	55	55	56	57	57	58	59	59	60	60	60	61	62	64	66	67	68	68	68	68	69	70	70
Sat	70	71	71	72	72	73	74	74	75	76	76	77	78	79	79	80	80	79	79	78	78	78	78	78
Sun	78	79	79	79	78	78	77	77	77	76	76	75	73	71	69	68	68	68	68	67	66	65	64	63
Mon	62	61	59	58	57	56	56	55	54	53	53	52	52	52	52	51	48	48	47	49	51	50	48	48
Tue	47	47	47	47	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

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	42	42	42	43	42	43	43	43	45	45	45	42	44	42	40	40	40	40	39	39	39	40	40	39
Thu	39	38	38	37	38	36	36	36	35	35	36	41	40	39	37	37	38	41	43	47	49	51	52	53
Fri	54	55	55	56	57	57	58	59	59	60	60	60	61	62	64	66	67	68	68	68	68	69	70	70
Sat	70	71	71	72	72	73	74	74	75	76	76	77	78	79	79	80	80	79	79	78	78	78	78	78
Sun	78	79	79	79	78	78	77	77	77	76	76	75	73	71	69	68	68	68	68	67	66	65	64	63
Mon	62	61	59	58	57	56	56	55	54	53	53	52	52	52	52	51	48	48	47	49	51	50	48	48
Tue	47	47	47	47	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—