14 – 20 Oct 2026 · Malaysia

Miri weekly air quality

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

78.9Weekly mean AQI · Moderate

Official DOE API mean: 65.4. 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.

-22.1 AQI compared with the previous week’s eligible mean of 101.

Peak AQI: 115 at Miri · 15 Oct 2026, 15:00 (UTC+8).

Daily US AQI (PM2.5)

Low 51High 115AQI

14 Oct20 Oct

20 OctDaily mean · Peak 6155.7Avg 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	90.3Moderate	103	24 / 0
2026-10-15	108.9Unhealthy for Sensitive Groups	115	24 / 0
2026-10-16	94.3Moderate	111	24 / 0
2026-10-17	83Moderate	86	24 / 0
2026-10-18	62.2Moderate	71	24 / 0
2026-10-19	58Moderate	61	24 / 0
2026-10-20	55.7Moderate	61	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	86	84	83	83	83	83	83	83	83	83	84	86	96	96	97	97	99	99	103	93	94	96	96	97
2026-10-15	97	99	103	103	105	105	107	109	109	111	109	109	111	113	113	115	115	113	113	111	111	111	111	111
2026-10-16	111	109	107	105	103	103	101	97	96	96	94	94	91	90	90	87	87	87	87	87	86	86	86	84
2026-10-17	84	84	84	84	84	84	84	84	86	86	86	86	86	86	86	84	83	83	81	81	80	77	75	74
2026-10-18	71	71	70	70	68	68	67	67	64	64	62	61	61	61	59	59	58	58	57	56	56	55	55	55
2026-10-19	55	55	55	56	56	56	56	57	58	58	57	57	56	61	61	59	59	61	59	59	59	59	61	61
2026-10-20	61	59	59	59	59	59	59	58	58	58	58	58	58	53	52	53	53	52	52	52	52	52	51	51

Observation categories

Good: 0

Moderate: 138

Unhealthy for Sensitive Groups: 30

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

Miri air quality.
Weekly station review.

14 – 20 Oct 20267 days · Sarawak

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

During the week of 14 – 20 Oct 2026, air quality at Miri averaged an Air Pollutant Index (API) of 65.4 (Moderate). Readings peaked at 88.

Station weekly average

65.4API

Moderate · Sederhana

Daily averages47.2 – 85 APIWed → Tue

Explore the week

Week's peak reading: 88ModeratePeak during 7-day window
Rank in Sarawak: #4of 13 stationsState avg: 75.6 API
Good to Moderate air: 100%of hourly readings168 readings recorded
National standing: #11of 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	74.1	69	82
Thu, 15 Oct	85	79	88
Fri, 16 Oct	76.6	70	86
Sat, 17 Oct	69.2	63	71
Sun, 18 Oct	54.4	46	61
Mon, 19 Oct	51.5	47	54
Tue, 20 Oct	47.2	39	54

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

0255075100APIBrighter cells ran hazier than the rest of this week (39 – 88 API)

Haziest hour of the week: Thu at 15:00 MYT, averaging API 88 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	71	70	69	69	69	69	69	69	69	69	70	71	78	78	79	79	80	80	82	76	77	78	78	79
Thu	79	80	82	82	83	83	84	85	85	86	85	85	86	87	87	88	88	87	87	86	86	86	86	86
Fri	86	85	84	83	82	82	81	79	78	78	77	77	75	74	74	72	72	72	72	72	71	71	71	70
Sat	70	70	70	70	70	70	70	70	71	71	71	71	71	71	71	70	69	69	68	68	67	65	64	63
Sun	61	61	60	60	59	59	58	58	56	56	55	54	54	54	53	53	52	52	51	50	49	47	47	46
Mon	47	48	48	49	49	50	50	51	52	52	51	51	49	54	54	53	53	54	53	53	53	53	54	54
Tue	54	53	53	53	53	53	53	52	52	52	52	52	52	42	41	42	42	41	41	41	41	40	39	39

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik14%24
ModerateSederhana86%144
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 Miri

Perbandingan purata mingguan dengan stesen berhampiran

ILP Miri60.5 API
Moderate8.5 away
Limbang54.1 API
Moderate117 away
Samalaju73.8 API
Moderate125 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	71	70	69	69	69	69	69	69	69	69	70	71	78	78	79	79	80	80	82	76	77	78	78	79
Thu	79	80	82	82	83	83	84	85	85	86	85	85	86	87	87	88	88	87	87	86	86	86	86	86
Fri	86	85	84	83	82	82	81	79	78	78	77	77	75	74	74	72	72	72	72	72	71	71	71	70
Sat	70	70	70	70	70	70	70	70	71	71	71	71	71	71	71	70	69	69	68	68	67	65	64	63
Sun	61	61	60	60	59	59	58	58	56	56	55	54	54	54	53	53	52	52	51	50	49	47	47	46
Mon	47	48	48	49	49	50	50	51	52	52	51	51	49	54	54	53	53	54	53	53	53	53	54	54
Tue	54	53	53	53	53	53	53	52	52	52	52	52	52	42	41	42	42	41	41	41	41	40	39	39

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	71	70	69	69	69	69	69	69	69	69	70	71	78	78	79	79	80	80	82	76	77	78	78	79
Thu	79	80	82	82	83	83	84	85	85	86	85	85	86	87	87	88	88	87	87	86	86	86	86	86
Fri	86	85	84	83	82	82	81	79	78	78	77	77	75	74	74	72	72	72	72	72	71	71	71	70
Sat	70	70	70	70	70	70	70	70	71	71	71	71	71	71	71	70	69	69	68	68	67	65	64	63
Sun	61	61	60	60	59	59	58	58	56	56	55	54	54	54	53	53	52	52	51	50	49	47	47	46
Mon	47	48	48	49	49	50	50	51	52	52	51	51	49	54	54	53	53	54	53	53	53	53	54	54
Tue	54	53	53	53	53	53	53	52	52	52	52	52	52	42	41	42	42	41	41	41	41	40	39	39