21 – 27 Oct 2026 · Malaysia

ILP Miri weekly air quality

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

74.1Weekly mean AQI · Moderate

Official DOE API mean: 62.9. 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

149 eligible observations · 0 excluded.

+1.7 AQI compared with the previous week’s eligible mean of 72.4.

Peak AQI: 105 at ILP Miri · 26 Oct 2026, 06:00 (UTC+8).

Daily US AQI (PM2.5)

Low 55High 105AQI

21 Oct27 Oct

27 OctDaily mean · Peak 7269.6Avg AQI

Based on 5 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	56.5Moderate	58	24 / 0
2026-10-22	60Moderate	65	24 / 0
2026-10-23	72.8Moderate	83	24 / 0
2026-10-24	81.5Moderate	88	24 / 0
2026-10-25	79.6Moderate	96	24 / 0
2026-10-26	95Moderate	105	24 / 0
2026-10-27	69.6Moderate	72	5 / 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	55	55	56	57	57	57	58	58	57	58	58	58	56	56	56	55	56	56	55	56	56	56	57	57
2026-10-22	56	57	57	57	57	58	58	58	59	59	59	59	61	62	61	59	59	61	62	64	64	64	65	65
2026-10-23	67	67	65	65	65	65	65	65	65	65	67	68	72	74	75	78	81	81	83	83	83	83	83	83
2026-10-24	83	83	83	83	83	83	83	84	86	87	87	88	84	83	83	81	80	78	77	77	75	75	75	75
2026-10-25	75	75	75	75	75	75	77	75	75	74	74	74	74	75	75	77	80	84	86	88	90	93	94	96
2026-10-26	97	99	101	103	103	103	105	105	105	103	103	103	101	99	97	96	93	88	86	83	80	78	75	74
2026-10-27	72	71	70	68	67	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

Observation categories

Good: 0

Moderate: 138

Unhealthy for Sensitive Groups: 11

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

ILP Miri air quality.
Weekly station review.

21 – 27 Oct 20267 days · Sarawak

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

During the week of 21 – 27 Oct 2026, air quality at ILP Miri averaged an Air Pollutant Index (API) of 62.9 (Moderate). Readings peaked at 83.

Station weekly average

62.9API

Moderate · Sederhana

Daily averages50 – 77 APIWed → Tue

Explore the week

Week's peak reading: 83ModeratePeak during 7-day window
Rank in Sarawak: #2of 13 stationsState avg: 87.3 API
Good to Moderate air: 100%of hourly readings149 readings recorded
National standing: #19of 68 stationsNational avg: 83.6 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	50	46	52
Thu, 22 Oct	53.4	50	57
Fri, 23 Oct	62.3	57	69
Sat, 24 Oct	68.2	64	73
Sun, 25 Oct	67	63	78
Mon, 26 Oct	77	63	83
Tue, 27 Oct	60	58	62

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 ILP Miri shows local patterns like traffic peaks and afternoon haze accumulation.

0255075100APIBrighter cells ran hazier than the rest of this week (46 – 83 API)

Haziest hour of the week: Mon at 06:00 MYT, averaging API 83 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	46	47	49	51	51	51	52	52	51	52	52	52	49	50	49	48	50	49	48	49	49	50	51	51
Thu	50	51	51	51	51	52	52	52	53	53	53	53	54	55	54	53	53	54	55	56	56	56	57	57
Fri	58	58	57	57	57	57	57	57	57	57	58	59	62	63	64	66	68	68	69	69	69	69	69	69
Sat	69	69	69	69	69	69	69	70	71	72	72	73	70	69	69	68	67	66	65	65	64	64	64	64
Sun	64	64	64	64	64	64	65	64	64	63	63	63	63	64	64	65	67	70	71	73	74	76	77	78
Mon	79	80	81	82	82	82	83	83	83	82	82	82	81	80	79	78	76	73	71	69	67	66	64	63
Tue	62	61	60	59	58	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik9%14
ModerateSederhana91%135
UnhealthyTidak Sihat0%0
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 149 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 ILP Miri

Perbandingan purata mingguan dengan stesen berhampiran

Miri64.4 API
Moderate8.5 away
Limbang57.3 API
Moderate111 away
Samalaju77.4 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	46	47	49	51	51	51	52	52	51	52	52	52	49	50	49	48	50	49	48	49	49	50	51	51
Thu	50	51	51	51	51	52	52	52	53	53	53	53	54	55	54	53	53	54	55	56	56	56	57	57
Fri	58	58	57	57	57	57	57	57	57	57	58	59	62	63	64	66	68	68	69	69	69	69	69	69
Sat	69	69	69	69	69	69	69	70	71	72	72	73	70	69	69	68	67	66	65	65	64	64	64	64
Sun	64	64	64	64	64	64	65	64	64	63	63	63	63	64	64	65	67	70	71	73	74	76	77	78
Mon	79	80	81	82	82	82	83	83	83	82	82	82	81	80	79	78	76	73	71	69	67	66	64	63
Tue	62	61	60	59	58	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

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	46	47	49	51	51	51	52	52	51	52	52	52	49	50	49	48	50	49	48	49	49	50	51	51
Thu	50	51	51	51	51	52	52	52	53	53	53	53	54	55	54	53	53	54	55	56	56	56	57	57
Fri	58	58	57	57	57	57	57	57	57	57	58	59	62	63	64	66	68	68	69	69	69	69	69	69
Sat	69	69	69	69	69	69	69	70	71	72	72	73	70	69	69	68	67	66	65	65	64	64	64	64
Sun	64	64	64	64	64	64	65	64	64	63	63	63	63	64	64	65	67	70	71	73	74	76	77	78
Mon	79	80	81	82	82	82	83	83	83	82	82	82	81	80	79	78	76	73	71	69	67	66	64	63
Tue	62	61	60	59	58	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—