21 – 27 Oct 2026 · Malaysia

Ipoh weekly air quality

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

91.6Weekly mean AQI · Moderate

Official DOE API mean: 74.5. 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

150 eligible observations · 0 excluded.

-34.9 AQI compared with the previous week’s eligible mean of 126.5.

Peak AQI: 128 at Tasek Ipoh · 21 Oct 2026, 00:00 (UTC+8).

Daily US AQI (PM2.5)

Low 62High 128AQI

21 Oct27 Oct

27 OctDaily mean · Peak 7068.5Avg AQI

Based on 6 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	101.3Unhealthy for Sensitive Groups	128	24 / 0
2026-10-22	104.9Unhealthy for Sensitive Groups	113	24 / 0
2026-10-23	103Unhealthy for Sensitive Groups	111	24 / 0
2026-10-24	96.2Moderate	101	24 / 0
2026-10-25	83.1Moderate	93	24 / 0
2026-10-26	66.8Moderate	71	24 / 0
2026-10-27	68.5Moderate	70	6 / 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	128	126	122	118	115	113	109	107	107	103	99	96	96	94	93	90	91	91	90	87	87	88	90	91
2026-10-22	93	94	96	97	99	101	101	103	103	103	105	107	107	107	107	109	111	109	111	113	113	111	109	109
2026-10-23	111	111	109	109	107	107	105	105	103	103	101	101	101	103	107	105	97	96	96	96	99	99	99	101
2026-10-24	99	97	97	99	99	99	99	99	101	99	99	99	96	96	91	91	94	94	94	94	93	93	93	93
2026-10-25	93	91	91	90	90	88	90	90	88	88	87	86	84	81	81	81	78	78	75	74	74	72	72	72
2026-10-26	71	70	68	68	68	68	67	65	64	64	62	64	65	67	67	67	68	67	67	67	67	68	67	67
2026-10-27	67	68	68	70	68	70	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

Observation categories

Good: 0

Moderate: 103

Unhealthy for Sensitive Groups: 47

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

Ipoh air quality.
Weekly city review.

21 – 27 Oct 20267 days · Perak

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi bandar Ipoh, Perak

Ipoh air quality averaged an Air Pollutant Index (API) of 74.5 (Moderate) during the week of 21 – 27 Oct 2026, monitored via the Tasek Ipoh station.

City weekly average

74.5API

Moderate · Sederhana

Daily averages58 – 82.9 APIWed → Tue

Explore the week

Week's highest reading: 95ModeratePeak reading during period
Monitoring station: Tasek IpohPerakRepresentative station
Good to Moderate air: 100%of hourly readings150 readings recorded
State & National context: 67.9 APIPerak avgNational avg: 83.4 API

Seven days of air quality in Ipoh

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	80.6	72	95
Thu, 22 Oct	82.9	76	87
Fri, 23 Oct	81.9	78	86
Sat, 24 Oct	78.2	75	81
Sun, 25 Oct	69.4	62	76
Mon, 26 Oct	58	55	61
Tue, 27 Oct	59.2	58	60

The week, hour by hour

Purata setiap jam sepanjang tujuh hari di stesen berkaitan

Hourly readings at Tasek Ipoh indicate typical diurnal trends such as morning traffic and afternoon dispersion in Ipoh.

0255075100125APIBrighter cells ran hazier than the rest of this week (55 – 95 API)

Haziest hour of the week: Wed at 00:00 MYT, averaging API 95 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	95	94	92	90	88	87	85	84	84	82	80	78	78	77	76	74	75	75	74	72	72	73	74	75
Thu	76	77	78	79	80	81	81	82	82	82	83	84	84	84	84	85	86	85	86	87	87	86	85	85
Fri	86	86	85	85	84	84	83	83	82	82	81	81	81	82	84	83	79	78	78	78	80	80	80	81
Sat	80	79	79	80	80	80	80	80	81	80	80	80	78	78	75	75	77	77	77	77	76	76	76	76
Sun	76	75	75	74	74	73	74	74	73	73	72	71	70	68	68	68	66	66	64	63	63	62	62	62
Mon	61	60	59	59	59	59	58	57	56	56	55	56	57	58	58	58	59	58	58	58	58	59	58	58
Tue	58	59	59	60	59	60	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

How readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik0%0
ModerateSederhana100%150
UnhealthyTidak Sihat0%0
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 150 hourly station readings.

Health advisory

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

Comparison with nearby cities

Perbandingan purata kualiti udara mingguan dengan bandar berdekatan

Johor Bahru113.9 API
UnhealthyLive status →
Kuala Lumpur107.1 API
UnhealthyLive status →
Kuching107.5 API
UnhealthyLive status →

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	95	94	92	90	88	87	85	84	84	82	80	78	78	77	76	74	75	75	74	72	72	73	74	75
Thu	76	77	78	79	80	81	81	82	82	82	83	84	84	84	84	85	86	85	86	87	87	86	85	85
Fri	86	86	85	85	84	84	83	83	82	82	81	81	81	82	84	83	79	78	78	78	80	80	80	81
Sat	80	79	79	80	80	80	80	80	81	80	80	80	78	78	75	75	77	77	77	77	76	76	76	76
Sun	76	75	75	74	74	73	74	74	73	73	72	71	70	68	68	68	66	66	64	63	63	62	62	62
Mon	61	60	59	59	59	59	58	57	56	56	55	56	57	58	58	58	59	58	58	58	58	59	58	58
Tue	58	59	59	60	59	60	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

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	95	94	92	90	88	87	85	84	84	82	80	78	78	77	76	74	75	75	74	72	72	73	74	75
Thu	76	77	78	79	80	81	81	82	82	82	83	84	84	84	84	85	86	85	86	87	87	86	85	85
Fri	86	86	85	85	84	84	83	83	82	82	81	81	81	82	84	83	79	78	78	78	80	80	80	81
Sat	80	79	79	80	80	80	80	80	81	80	80	80	78	78	75	75	77	77	77	77	76	76	76	76
Sun	76	75	75	74	74	73	74	74	73	73	72	71	70	68	68	68	66	66	64	63	63	62	62	62
Mon	61	60	59	59	59	59	58	57	56	56	55	56	57	58	58	58	59	58	58	58	58	59	58	58
Tue	58	59	59	60	59	60	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—