30 Sep – 6 Oct 2026 · Malaysia

Limbang weekly air quality

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

61.8Weekly mean AQI · Moderate

Official DOE API mean: 51.8. 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

163 eligible observations · 0 excluded.

-19.4 AQI compared with the previous week’s eligible mean of 81.2.

Peak AQI: 78 at Limbang · 5 Oct 2026, 18:00 (UTC+8).

Daily US AQI (PM2.5)

Low 44High 78AQI

30 Sept6 Oct

6 OctDaily mean · Peak 7773.9Avg AQI

Based on 19 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
2026-09-30	54Moderate	58	24 / 0
2026-10-01	50Good	54	24 / 0
2026-10-02	50.1Moderate	58	24 / 0
2026-10-03	63.5Moderate	65	24 / 0
2026-10-04	69.7Moderate	74	24 / 0
2026-10-05	73.7Moderate	78	24 / 0
2026-10-06	73.9Moderate	77	19 / 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
2026-09-30	49	51	51	51	52	52	52	53	53	54	55	55	55	55	55	56	56	57	58	57	56	55	55	54
2026-10-01	54	53	53	53	53	52	52	52	51	51	51	51	51	51	51	49	49	47	44	44	45	47	47	48
2026-10-02	48	48	48	48	48	48	47	48	48	48	44	44	45	47	48	51	52	53	55	56	56	57	57	58
2026-10-03	58	59	59	61	61	62	62	64	64	65	65	65	65	65	65	65	65	65	65	65	64	64	65	65
2026-10-04	65	65	65	67	67	68	67	67	68	68	70	71	72	72	74	74	72	71	71	71	72	72	72	72
2026-10-05	72	72	72	71	71	71	71	71	71	71	71	72	74	74	74	75	75	77	78	78	77	77	77	77
2026-10-06	77	77	77	77	77	77	75	75	75	75	74	72	71	72	71	71	71	70	71	—	—	—	—	—

Observation categories

Good: 25

Moderate: 138

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.

30 Sep – 6 Oct 20267 days · Sarawak

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

During the week of 30 Sep – 6 Oct 2026, air quality at Limbang averaged an Air Pollutant Index (API) of 51.8 (Moderate). Readings peaked at 66.

Station weekly average

51.8API

Moderate · Sederhana

Daily averages38.4 – 63.1 APIWed → Tue

Explore the week

Week's peak reading: 66ModeratePeak during 7-day window
Rank in Sarawak: #1of 13 stationsState avg: 73 API
Good to Moderate air: 100%of hourly readings163 readings recorded
National standing: #4of 68 stationsNational avg: 83.2 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 · 0–80 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, 30 Sep	45.1	37	52
Thu, 1 Oct	38.4	33	44
Fri, 2 Oct	39.5	33	52
Sat, 3 Oct	55.9	52	57
Sun, 4 Oct	60.2	57	63
Mon, 5 Oct	62.9	61	66
Tue, 6 Oct	63.1	60	65

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.

020406080APIBrighter cells ran hazier than the rest of this week (33 – 66 API)

Haziest hour of the week: Mon at 18:00 MYT, averaging API 66 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	37	38	39	39	40	41	41	42	43	45	46	47	47	48	48	49	50	51	52	51	49	48	47	45
Thu	44	43	43	43	42	41	41	40	39	38	39	38	39	38	38	37	37	35	33	33	34	35	35	36
Fri	36	36	36	36	36	36	35	36	36	36	33	33	34	35	36	38	40	43	46	49	49	51	51	52
Sat	52	53	53	54	54	55	55	56	56	57	57	57	57	57	57	57	57	57	57	57	56	56	57	57
Sun	57	57	57	58	58	59	58	58	59	59	60	61	62	62	63	63	62	61	61	61	62	62	62	62
Mon	62	62	62	61	61	61	61	61	61	61	61	62	63	63	63	64	64	65	66	66	65	65	65	65
Tue	65	65	65	65	65	65	64	64	64	64	63	62	61	62	61	61	61	60	61	—	—	—	—	—

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik40%66
ModerateSederhana60%97
UnhealthyTidak Sihat0%0
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 163 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

Labuan58.5 API
Moderate65 away
ILP Miri57.1 API
Moderate111 away
Miri63.8 API
Moderate117 away
Kimanis55.2 API
Moderate134 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	37	38	39	39	40	41	41	42	43	45	46	47	47	48	48	49	50	51	52	51	49	48	47	45
Thu	44	43	43	43	42	41	41	40	39	38	39	38	39	38	38	37	37	35	33	33	34	35	35	36
Fri	36	36	36	36	36	36	35	36	36	36	33	33	34	35	36	38	40	43	46	49	49	51	51	52
Sat	52	53	53	54	54	55	55	56	56	57	57	57	57	57	57	57	57	57	57	57	56	56	57	57
Sun	57	57	57	58	58	59	58	58	59	59	60	61	62	62	63	63	62	61	61	61	62	62	62	62
Mon	62	62	62	61	61	61	61	61	61	61	61	62	63	63	63	64	64	65	66	66	65	65	65	65
Tue	65	65	65	65	65	65	64	64	64	64	63	62	61	62	61	61	61	60	61	—	—	—	—	—

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	37	38	39	39	40	41	41	42	43	45	46	47	47	48	48	49	50	51	52	51	49	48	47	45
Thu	44	43	43	43	42	41	41	40	39	38	39	38	39	38	38	37	37	35	33	33	34	35	35	36
Fri	36	36	36	36	36	36	35	36	36	36	33	33	34	35	36	38	40	43	46	49	49	51	51	52
Sat	52	53	53	54	54	55	55	56	56	57	57	57	57	57	57	57	57	57	57	57	56	56	57	57
Sun	57	57	57	58	58	59	58	58	59	59	60	61	62	62	63	63	62	61	61	61	62	62	62	62
Mon	62	62	62	61	61	61	61	61	61	61	61	62	63	63	63	64	64	65	66	66	65	65	65	65
Tue	65	65	65	65	65	65	64	64	64	64	63	62	61	62	61	61	61	60	61	—	—	—	—	—