14 – 20 Oct 2026 · Malaysia

Samarahan weekly air quality

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

117.9Weekly mean AQI · Unhealthy for Sensitive Groups

Official DOE API mean: 99.2. 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.

-0.3 AQI compared with the previous week’s eligible mean of 118.2.

Peak AQI: 154 at Samarahan · 15 Oct 2026, 04:00 (UTC+8).

Daily US AQI (PM2.5)

Low 77High 154AQI

14 Oct20 Oct

20 OctDaily mean · Peak 113106.6Avg 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	128.6Unhealthy for Sensitive Groups	145	24 / 0
2026-10-15	145.2Unhealthy for Sensitive Groups	154	24 / 0
2026-10-16	87Moderate	115	24 / 0
2026-10-17	86.2Moderate	105	24 / 0
2026-10-18	135.8Unhealthy for Sensitive Groups	152	24 / 0
2026-10-19	135.9Unhealthy for Sensitive Groups	152	24 / 0
2026-10-20	106.6Unhealthy for Sensitive Groups	113	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	120	120	122	124	124	126	126	126	126	126	124	126	126	124	124	126	128	130	132	136	140	141	144	145
2026-10-15	147	150	152	152	154	154	154	154	154	152	154	154	154	152	151	149	146	142	138	132	128	124	120	117
2026-10-16	115	111	103	99	94	93	91	90	88	87	86	83	81	81	80	80	80	78	78	78	78	78	78	78
2026-10-17	77	77	77	77	77	77	77	78	78	77	78	80	81	83	86	91	94	97	97	99	101	101	103	105
2026-10-18	107	111	113	115	118	120	124	128	130	136	136	140	142	147	149	150	147	146	146	148	150	151	152	152
2026-10-19	152	152	152	152	152	151	150	149	147	145	144	141	138	132	128	122	120	120	120	120	120	120	118	117
2026-10-20	113	113	111	111	113	111	111	111	113	111	109	109	109	109	107	107	105	105	101	101	97	94	94	93

Observation categories

Good: 0

Moderate: 45

Unhealthy for Sensitive Groups: 101

Unhealthy: 22

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

Samarahan air quality.
Weekly station review.

14 – 20 Oct 20267 days · Sarawak

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

During the week of 14 – 20 Oct 2026, air quality at Samarahan averaged an Air Pollutant Index (API) of 99.2 (Moderate). Readings peaked at 153.

Station weekly average

99.2API

Moderate · Sederhana

Daily averages71.3 – 134.7 APIWed → Tue

Explore the week

Week's peak reading: 153UnhealthyPeak during 7-day window
Rank in Sarawak: #12of 13 stationsState avg: 75.6 API
Good to Moderate air: 71%of hourly readings168 readings recorded
National standing: #35of 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	98.1	91	130
Thu, 15 Oct	134.7	89	153
Fri, 16 Oct	71.8	66	88
Sat, 17 Oct	71.3	65	83
Sun, 18 Oct	117.4	84	152
Mon, 19 Oct	117.6	89	152
Tue, 20 Oct	83.7	76	87

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

0255075100125150175APIBrighter cells ran hazier than the rest of this week (65 – 153 API)

Haziest hour of the week: Thu at 04:00 MYT, averaging API 153 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	91	91	92	93	93	94	94	94	94	94	93	94	94	93	93	94	95	96	97	99	109	113	125	130
Thu	139	150	152	152	153	153	153	153	153	152	153	153	153	152	151	147	132	117	100	97	95	93	91	89
Fri	88	86	82	80	77	76	75	74	73	72	71	69	68	68	67	67	67	66	66	66	66	66	66	66
Sat	65	65	65	65	65	65	65	66	66	65	66	67	68	69	71	75	77	79	79	80	81	81	82	83
Sun	84	86	87	88	90	91	93	95	96	99	99	111	118	139	146	148	138	132	134	140	148	151	152	152
Mon	152	152	152	152	152	151	150	146	138	128	124	114	103	97	95	92	91	91	91	91	91	91	90	89
Tue	87	87	86	86	87	86	86	86	87	86	85	85	85	85	84	84	83	83	81	81	79	77	77	76

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik0%0
ModerateSederhana71%120
UnhealthyTidak Sihat29%48
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 Samarahan

Perbandingan purata mingguan dengan stesen berhampiran

Kuching92.7 API
Moderate17 away
IPD Serian108 API
Unhealthy33 away
Sri Aman89.3 API
Moderate111 away
Sarikei67.7 API
Moderate137 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	91	91	92	93	93	94	94	94	94	94	93	94	94	93	93	94	95	96	97	99	109	113	125	130
Thu	139	150	152	152	153	153	153	153	153	152	153	153	153	152	151	147	132	117	100	97	95	93	91	89
Fri	88	86	82	80	77	76	75	74	73	72	71	69	68	68	67	67	67	66	66	66	66	66	66	66
Sat	65	65	65	65	65	65	65	66	66	65	66	67	68	69	71	75	77	79	79	80	81	81	82	83
Sun	84	86	87	88	90	91	93	95	96	99	99	111	118	139	146	148	138	132	134	140	148	151	152	152
Mon	152	152	152	152	152	151	150	146	138	128	124	114	103	97	95	92	91	91	91	91	91	91	90	89
Tue	87	87	86	86	87	86	86	86	87	86	85	85	85	85	84	84	83	83	81	81	79	77	77	76

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	91	91	92	93	93	94	94	94	94	94	93	94	94	93	93	94	95	96	97	99	109	113	125	130
Thu	139	150	152	152	153	153	153	153	153	152	153	153	153	152	151	147	132	117	100	97	95	93	91	89
Fri	88	86	82	80	77	76	75	74	73	72	71	69	68	68	67	67	67	66	66	66	66	66	66	66
Sat	65	65	65	65	65	65	65	66	66	65	66	67	68	69	71	75	77	79	79	80	81	81	82	83
Sun	84	86	87	88	90	91	93	95	96	99	99	111	118	139	146	148	138	132	134	140	148	151	152	152
Mon	152	152	152	152	152	151	150	146	138	128	124	114	103	97	95	92	91	91	91	91	91	91	90	89
Tue	87	87	86	86	87	86	86	86	87	86	85	85	85	85	84	84	83	83	81	81	79	77	77	76