14 – 20 Oct 2026 · Malaysia

IPD Serian weekly air quality

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

122.4Weekly mean AQI · Unhealthy for Sensitive Groups

Official DOE API mean: 108. 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.

-5.2 AQI compared with the previous week’s eligible mean of 127.6.

Peak AQI: 156 at IPD Serian · 18 Oct 2026, 12:00 (UTC+8).

Daily US AQI (PM2.5)

Low 68High 156AQI

14 Oct20 Oct

20 OctDaily mean · Peak 138105.8Avg 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	146.9Unhealthy for Sensitive Groups	154	24 / 0
2026-10-15	132.8Unhealthy for Sensitive Groups	147	24 / 0
2026-10-16	77.1Moderate	93	24 / 0
2026-10-17	91.6Moderate	136	24 / 0
2026-10-18	152.2Unhealthy	156	24 / 0
2026-10-19	150.3Unhealthy	155	24 / 0
2026-10-20	105.8Unhealthy for Sensitive Groups	138	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	154	154	154	154	154	154	154	154	154	152	151	149	148	144	139	138	136	136	136	138	141	143	144	145
2026-10-15	147	147	147	146	146	145	144	144	143	143	143	142	141	140	141	140	134	126	117	111	105	101	97	96
2026-10-16	93	90	88	87	86	84	83	81	80	78	77	75	72	71	70	68	68	70	71	71	72	72	72	72
2026-10-17	72	72	72	72	72	74	75	77	78	78	78	80	83	84	88	93	97	103	109	117	124	130	134	136
2026-10-18	139	141	143	145	148	151	152	152	154	155	155	155	156	156	156	156	156	156	155	155	154	154	154	154
2026-10-19	154	155	155	155	155	155	155	155	154	154	154	154	154	154	152	151	147	145	144	143	141	139	138	144
2026-10-20	138	134	130	130	126	122	120	117	113	111	107	103	101	99	97	96	93	91	88	87	87	86	86	78

Observation categories

Good: 0

Moderate: 54

Unhealthy for Sensitive Groups: 68

Unhealthy: 46

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

IPD Serian air quality.
Weekly station review.

14 – 20 Oct 20267 days · Sarawak

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

During the week of 14 – 20 Oct 2026, air quality at IPD Serian averaged an Air Pollutant Index (API) of 108 (Unhealthy). Readings peaked at 155.

Station weekly average

108API

Unhealthy · Tidak Sihat

Daily averages65.3 – 147.1 APIWed → Tue

Explore the week

Week's peak reading: 155UnhealthyPeak during 7-day window
Rank in Sarawak: #13of 13 stationsState avg: 75.6 API
Good to Moderate air: 51%of hourly readings168 readings recorded
National standing: #40of 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 · 0–175 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	133	99	153
Thu, 15 Oct	111.4	78	138
Fri, 16 Oct	65.3	59	76
Sat, 17 Oct	74	62	99
Sun, 18 Oct	147.1	106	155
Mon, 19 Oct	142.1	100	154
Tue, 20 Oct	82.9	66	100

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 IPD Serian shows local patterns like traffic peaks and afternoon haze accumulation.

0255075100125150175APIBrighter cells ran hazier than the rest of this week (59 – 155 API)

Haziest hour of the week: Sun at 12:00 MYT, averaging API 155 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	153	153	153	153	153	153	153	153	153	152	151	147	143	125	107	100	99	99	99	103	113	120	126	131
Thu	136	138	136	135	134	131	126	125	120	120	121	118	114	111	112	108	98	94	89	86	83	81	79	78
Fri	76	74	73	72	71	70	69	68	67	66	65	64	62	61	60	59	59	60	61	61	62	62	62	62
Sat	62	62	62	62	62	63	64	65	66	66	66	67	69	70	73	76	79	82	85	89	93	96	98	99
Sun	106	114	120	129	141	151	152	152	153	154	154	154	155	155	155	155	155	155	154	154	153	153	153	153
Mon	153	154	154	154	154	154	154	154	153	153	153	153	153	153	152	151	139	130	125	120	113	107	100	125
Tue	100	98	96	96	94	92	91	89	87	86	84	82	81	80	79	78	76	75	73	72	72	71	71	66

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik0%0
ModerateSederhana51%85
UnhealthyTidak Sihat49%83
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

Limit prolonged outdoor activity. Children, older adults, pregnant women and people with respiratory or heart conditions should stay indoors where possible. A well-fitted N95 mask helps outdoors.

Hadkan aktiviti luar yang berpanjangan. Kanak-kanak, warga emas, ibu mengandung dan pesakit pernafasan atau jantung dinasihatkan berada di dalam bangunan. Pelitup muka N95 membantu di luar.

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 IPD Serian

Perbandingan purata mingguan dengan stesen berhampiran

Samarahan99.2 API
Moderate33 away
Kuching92.7 API
Moderate48 away
Sri Aman89.3 API
Moderate100 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	153	153	153	153	153	153	153	153	153	152	151	147	143	125	107	100	99	99	99	103	113	120	126	131
Thu	136	138	136	135	134	131	126	125	120	120	121	118	114	111	112	108	98	94	89	86	83	81	79	78
Fri	76	74	73	72	71	70	69	68	67	66	65	64	62	61	60	59	59	60	61	61	62	62	62	62
Sat	62	62	62	62	62	63	64	65	66	66	66	67	69	70	73	76	79	82	85	89	93	96	98	99
Sun	106	114	120	129	141	151	152	152	153	154	154	154	155	155	155	155	155	155	154	154	153	153	153	153
Mon	153	154	154	154	154	154	154	154	153	153	153	153	153	153	152	151	139	130	125	120	113	107	100	125
Tue	100	98	96	96	94	92	91	89	87	86	84	82	81	80	79	78	76	75	73	72	72	71	71	66

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	153	153	153	153	153	153	153	153	153	152	151	147	143	125	107	100	99	99	99	103	113	120	126	131
Thu	136	138	136	135	134	131	126	125	120	120	121	118	114	111	112	108	98	94	89	86	83	81	79	78
Fri	76	74	73	72	71	70	69	68	67	66	65	64	62	61	60	59	59	60	61	61	62	62	62	62
Sat	62	62	62	62	62	63	64	65	66	66	66	67	69	70	73	76	79	82	85	89	93	96	98	99
Sun	106	114	120	129	141	151	152	152	153	154	154	154	155	155	155	155	155	155	154	154	153	153	153	153
Mon	153	154	154	154	154	154	154	154	153	153	153	153	153	153	152	151	139	130	125	120	113	107	100	125
Tue	100	98	96	96	94	92	91	89	87	86	84	82	81	80	79	78	76	75	73	72	72	71	71	66