14 – 20 Oct 2026 · Malaysia

Tanjung Malim weekly air quality

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

134.9Weekly mean AQI · Unhealthy for Sensitive Groups

Official DOE API mean: 114.1. 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

164 eligible observations · 4 excluded.

+2.5 AQI compared with the previous week’s eligible mean of 132.4.

Peak AQI: 182 at Tanjung Malim · 15 Oct 2026, 16:00 (UTC+8).

Daily US AQI (PM2.5)

Low 88High 182AQI

14 Oct20 Oct

20 OctDaily mean · Peak 143133Avg 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	111.6Unhealthy for Sensitive Groups	156	24 / 0
2026-10-15	174.2Unhealthy	182	24 / 0
2026-10-16	163.8Unhealthy	174	24 / 0
2026-10-17	126.5Unhealthy for Sensitive Groups	148	24 / 0
2026-10-18	119Unhealthy for Sensitive Groups	134	24 / 0
2026-10-19	112.1Unhealthy for Sensitive Groups	128	20 / 4
2026-10-20	133Unhealthy for Sensitive Groups	143	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	88	88	88	90	91	93	93	94	96	97	99	103	107	111	115	118	122	124	130	134	139	149	154	156
2026-10-15	159	162	163	166	167	169	170	171	173	174	175	177	178	179	181	181	182	182	181	181	179	178	177	175
2026-10-16	174	173	171	170	170	169	169	167	166	166	165	165	165	163	163	163	160	159	158	158	156	155	154	152
2026-10-17	148	143	139	134	130	126	124	124	122	122	122	120	117	117	115	115	117	120	124	128	130	132	132	134
2026-10-18	134	134	134	134	134	134	134	132	128	124	120	117	115	111	111	111	111	111	109	107	105	103	103	101
2026-10-19	103	103	105	105	107	109	111	113	115	115	115	115	113	115	115	113	113	113	115	—	—	—	—	128
2026-10-20	130	130	130	130	130	130	130	132	132	136	138	141	143	143	142	142	141	141	139	132	124	122	118	117

Observation categories

Good: 0

Moderate: 11

Unhealthy for Sensitive Groups: 103

Unhealthy: 50

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

Tanjung Malim air quality.
Weekly station review.

14 – 20 Oct 20267 days · Perak

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi stesen Tanjung Malim, Perak

During the week of 14 – 20 Oct 2026, air quality at Tanjung Malim averaged an Air Pollutant Index (API) of 114.1 (Unhealthy). Readings peaked at 174.

Station weekly average

114.1API

Unhealthy · Tidak Sihat

Daily averages89.8 – 168.1 APIWed → Tue

Explore the week

Week's peak reading: 174UnhealthyPeak during 7-day window
Rank in Perak: #4of 5 stationsState avg: 104.8 API
Good to Moderate air: 61%of hourly readings168 readings recorded
National standing: #44of 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 · 0–200 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	91.7	73	155
Thu, 15 Oct	168.1	157	174
Fri, 16 Oct	160.4	152	168
Sat, 17 Oct	96.6	88	141
Sun, 18 Oct	90.3	81	98
Mon, 19 Oct	89.8	82	114
Tue, 20 Oct	102.1	89	121

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 Tanjung Malim shows local patterns like traffic peaks and afternoon haze accumulation.

050100150200APIBrighter cells ran hazier than the rest of this week (73 – 174 API)

Haziest hour of the week: Thu at 16:00 MYT, averaging API 174 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	73	73	73	74	75	76	76	77	78	79	80	82	84	86	88	90	92	93	96	98	105	145	153	155
Thu	157	159	160	162	163	164	165	166	167	168	169	170	171	172	173	173	174	174	173	173	172	171	170	169
Fri	168	167	166	165	165	164	164	163	162	162	161	161	161	160	160	160	158	157	156	156	155	154	153	152
Sat	141	122	105	98	96	94	93	93	92	92	92	91	89	89	88	88	89	91	93	95	96	97	97	98
Sun	98	98	98	98	98	98	98	97	95	93	91	89	88	86	86	86	86	86	85	84	83	82	82	81
Mon	82	82	83	83	84	85	86	87	88	88	88	88	87	88	88	87	87	87	88	100	114	109	100	95
Tue	96	96	96	96	96	96	96	97	97	99	100	114	121	120	119	118	114	112	106	97	93	92	90	89

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik0%0
ModerateSederhana61%103
UnhealthyTidak Sihat39%65
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 Tanjung Malim

Perbandingan purata mingguan dengan stesen berhampiran

Kuala Selangor109.3 API
Unhealthy50 away
Batu Muda163.2 API
Unhealthy56 away
Petaling Jaya162.8 API
Unhealthy63 away
Shah Alam165.6 API
Unhealthy65 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	73	73	73	74	75	76	76	77	78	79	80	82	84	86	88	90	92	93	96	98	105	145	153	155
Thu	157	159	160	162	163	164	165	166	167	168	169	170	171	172	173	173	174	174	173	173	172	171	170	169
Fri	168	167	166	165	165	164	164	163	162	162	161	161	161	160	160	160	158	157	156	156	155	154	153	152
Sat	141	122	105	98	96	94	93	93	92	92	92	91	89	89	88	88	89	91	93	95	96	97	97	98
Sun	98	98	98	98	98	98	98	97	95	93	91	89	88	86	86	86	86	86	85	84	83	82	82	81
Mon	82	82	83	83	84	85	86	87	88	88	88	88	87	88	88	87	87	87	88	100	114	109	100	95
Tue	96	96	96	96	96	96	96	97	97	99	100	114	121	120	119	118	114	112	106	97	93	92	90	89

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	73	73	73	74	75	76	76	77	78	79	80	82	84	86	88	90	92	93	96	98	105	145	153	155
Thu	157	159	160	162	163	164	165	166	167	168	169	170	171	172	173	173	174	174	173	173	172	171	170	169
Fri	168	167	166	165	165	164	164	163	162	162	161	161	161	160	160	160	158	157	156	156	155	154	153	152
Sat	141	122	105	98	96	94	93	93	92	92	92	91	89	89	88	88	89	91	93	95	96	97	97	98
Sun	98	98	98	98	98	98	98	97	95	93	91	89	88	86	86	86	86	86	85	84	83	82	82	81
Mon	82	82	83	83	84	85	86	87	88	88	88	88	87	88	88	87	87	87	88	100	114	109	100	95
Tue	96	96	96	96	96	96	96	97	97	99	100	114	121	120	119	118	114	112	106	97	93	92	90	89