21 – 27 Oct 2026 · Malaysia

Seri Manjung weekly air quality

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

99.6Weekly mean AQI · Moderate

Official DOE API mean: 78.7. 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

146 eligible observations · 0 excluded.

-39.5 AQI compared with the previous week’s eligible mean of 139.1.

Peak AQI: 130 at Seri Manjung · 24 Oct 2026, 07:00 (UTC+8).

Daily US AQI (PM2.5)

Low 64High 130AQI

21 Oct27 Oct

27 OctDaily mean · Peak 6464Avg AQI

Based on 2 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	113.6Unhealthy for Sensitive Groups	122	24 / 0
2026-10-22	117.5Unhealthy for Sensitive Groups	128	24 / 0
2026-10-23	111.3Unhealthy for Sensitive Groups	117	24 / 0
2026-10-24	115.8Unhealthy for Sensitive Groups	130	24 / 0
2026-10-25	76.1Moderate	96	24 / 0
2026-10-26	66.5Moderate	68	24 / 0
2026-10-27	64Moderate	64	2 / 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	120	118	118	117	113	111	111	107	105	105	105	101	103	105	111	117	118	120	122	122	122	120	118	117
2026-10-22	115	115	115	117	118	122	124	128	128	128	128	128	128	124	118	115	113	111	107	107	105	107	109	109
2026-10-23	111	113	113	109	109	107	105	103	105	107	107	109	113	115	115	115	117	115	113	113	113	113	113	117
2026-10-24	117	120	120	124	122	122	128	130	126	126	124	122	118	113	113	111	111	109	107	109	107	105	99	97
2026-10-25	96	94	91	88	88	86	81	78	75	75	74	74	74	74	74	72	70	68	67	65	64	64	68	67
2026-10-26	67	65	65	65	65	65	65	67	67	68	68	68	68	67	67	67	67	67	67	68	68	67	65	64
2026-10-27	64	64	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

Observation categories

Good: 0

Moderate: 52

Unhealthy for Sensitive Groups: 94

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

Seri Manjung air quality.
Weekly station review.

21 – 27 Oct 20267 days · Perak

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi stesen Seri Manjung, Perak

During the week of 21 – 27 Oct 2026, air quality at Seri Manjung averaged an Air Pollutant Index (API) of 78.7 (Moderate). Readings peaked at 96.

Station weekly average

78.7API

Moderate · Sederhana

Daily averages56 – 89.5 APIWed → Tue

Explore the week

Week's peak reading: 96ModeratePeak during 7-day window
Rank in Perak: #5of 5 stationsState avg: 68.5 API
Good to Moderate air: 100%of hourly readings146 readings recorded
National standing: #37of 68 stationsNational avg: 84.2 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 · 0–125 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	87.5	81	92
Thu, 22 Oct	89.5	83	95
Fri, 23 Oct	86.1	82	89
Sat, 24 Oct	88.7	79	96
Sun, 25 Oct	64.5	56	78
Mon, 26 Oct	57.9	56	59
Tue, 27 Oct	56	56	56

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 Seri Manjung shows local patterns like traffic peaks and afternoon haze accumulation.

0255075100125APIBrighter cells ran hazier than the rest of this week (56 – 96 API)

Haziest hour of the week: Sat at 07:00 MYT, averaging API 96 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	90	90	89	87	86	86	84	83	83	83	81	82	83	86	89	90	91	92	92	92	91	90	89
Thu	88	88	88	89	90	92	93	95	95	95	95	95	95	93	90	88	87	86	84	84	83	84	85	85
Fri	86	87	87	85	85	84	83	82	83	84	84	85	87	88	88	88	89	88	87	87	87	87	87	89
Sat	89	91	91	93	92	92	95	96	94	94	93	92	90	87	87	86	86	85	84	85	84	83	80	79
Sun	78	77	75	73	73	71	68	66	64	64	63	63	63	63	63	62	60	59	58	57	56	56	59	58
Mon	58	57	57	57	57	57	57	58	58	59	59	59	59	58	58	58	58	58	58	59	59	58	57	56
Tue	56	56	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik0%0
ModerateSederhana100%146
UnhealthyTidak Sihat0%0
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 146 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 Seri Manjung

Perbandingan purata mingguan dengan stesen berhampiran

Pegoh Ipoh67.7 API
Moderate61 away
Tasek Ipoh74.9 API
Moderate69 away
Taiping54.7 API
Moderate78 away
Tanjung Malim66.6 API
Moderate111 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	90	90	89	87	86	86	84	83	83	83	81	82	83	86	89	90	91	92	92	92	91	90	89
Thu	88	88	88	89	90	92	93	95	95	95	95	95	95	93	90	88	87	86	84	84	83	84	85	85
Fri	86	87	87	85	85	84	83	82	83	84	84	85	87	88	88	88	89	88	87	87	87	87	87	89
Sat	89	91	91	93	92	92	95	96	94	94	93	92	90	87	87	86	86	85	84	85	84	83	80	79
Sun	78	77	75	73	73	71	68	66	64	64	63	63	63	63	63	62	60	59	58	57	56	56	59	58
Mon	58	57	57	57	57	57	57	58	58	59	59	59	59	58	58	58	58	58	58	59	59	58	57	56
Tue	56	56	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

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	90	90	89	87	86	86	84	83	83	83	81	82	83	86	89	90	91	92	92	92	91	90	89
Thu	88	88	88	89	90	92	93	95	95	95	95	95	95	93	90	88	87	86	84	84	83	84	85	85
Fri	86	87	87	85	85	84	83	82	83	84	84	85	87	88	88	88	89	88	87	87	87	87	87	89
Sat	89	91	91	93	92	92	95	96	94	94	93	92	90	87	87	86	86	85	84	85	84	83	80	79
Sun	78	77	75	73	73	71	68	66	64	64	63	63	63	63	63	62	60	59	58	57	56	56	59	58
Mon	58	57	57	57	57	57	57	58	58	59	59	59	59	58	58	58	58	58	58	59	59	58	57	56
Tue	56	56	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—