14 – 20 Oct 2026 · Malaysia

Minden weekly air quality

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

101Weekly mean AQI · Unhealthy for Sensitive Groups

Official DOE API mean: 80.3. 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.

-0.5 AQI compared with the previous week’s eligible mean of 101.5.

Peak AQI: 140 at Minden · 15 Oct 2026, 04:00 (UTC+8).

Daily US AQI (PM2.5)

Low 75High 140AQI

14 Oct20 Oct

20 OctDaily mean · Peak 11398.4Avg 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	106.3Unhealthy for Sensitive Groups	134	24 / 0
2026-10-15	128.2Unhealthy for Sensitive Groups	140	24 / 0
2026-10-16	100Moderate	105	24 / 0
2026-10-17	84.7Moderate	96	24 / 0
2026-10-18	85.5Moderate	93	24 / 0
2026-10-19	104.2Unhealthy for Sensitive Groups	113	24 / 0
2026-10-20	98.4Moderate	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	86	87	87	88	90	91	91	94	94	97	103	105	109	109	115	115	117	117	120	122	122	126	132	134
2026-10-15	136	138	138	139	140	140	138	138	138	136	134	132	132	130	128	124	122	117	117	117	117	113	107	105
2026-10-16	103	101	101	99	99	99	99	99	101	99	99	99	103	105	101	103	101	105	103	99	97	96	94	94
2026-10-17	94	94	96	94	93	93	91	90	88	87	86	84	81	81	81	80	80	78	78	78	78	77	75	75
2026-10-18	75	75	77	77	80	80	80	81	84	87	88	88	90	88	88	90	90	90	90	90	90	91	91	93
2026-10-19	93	93	94	94	96	97	99	99	99	99	101	103	105	109	109	111	111	111	113	113	113	113	113	113
2026-10-20	111	111	111	111	113	111	109	107	105	103	99	97	96	93	93	93	90	90	88	88	87	87	86	83

Observation categories

Good: 0

Moderate: 95

Unhealthy for Sensitive Groups: 73

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

Minden air quality.
Weekly station review.

14 – 20 Oct 20267 days · Penang

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi stesen Minden, Penang

During the week of 14 – 20 Oct 2026, air quality at Minden averaged an Air Pollutant Index (API) of 80.3 (Moderate). Readings peaked at 108.

Station weekly average

80.3API

Moderate · Sederhana

Daily averages70.5 – 95.8 APIWed → Tue

Explore the week

Week's peak reading: 108UnhealthyPeak during 7-day window
Rank in Penang: #3of 4 stationsState avg: 75.6 API
Good to Moderate air: 98%of hourly readings168 readings recorded
National standing: #27of 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 · 0–125 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, 14 Oct	83.3	71	98
Thu, 15 Oct	95.8	83	108
Fri, 16 Oct	80.4	77	83
Sat, 17 Oct	70.5	64	78
Sun, 18 Oct	71	64	76
Mon, 19 Oct	82.5	76	87
Tue, 20 Oct	78.9	69	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 Minden shows local patterns like traffic peaks and afternoon haze accumulation.

0255075100125APIBrighter cells ran hazier than the rest of this week (64 – 108 API)

Haziest hour of the week: Thu at 04:00 MYT, averaging API 108 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	71	72	72	73	74	75	75	77	77	79	82	83	85	85	88	88	89	89	91	92	92	94	97	98
Thu	99	100	100	105	108	108	103	100	100	99	98	97	97	96	95	93	92	89	89	89	89	87	84	83
Fri	82	81	81	80	80	80	80	80	81	80	80	80	82	83	81	82	81	83	82	80	79	78	77	77
Sat	77	77	78	77	76	76	75	74	73	72	71	70	68	68	68	67	67	66	66	66	66	65	64	64
Sun	64	64	65	65	67	67	67	68	70	72	73	73	74	73	73	74	74	74	74	74	74	75	75	76
Mon	76	76	77	77	78	79	80	80	80	80	81	82	83	85	85	86	86	86	87	87	87	87	87	87
Tue	86	86	86	86	87	86	85	84	83	82	80	79	78	76	76	76	74	74	73	73	72	72	71	69

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik0%0
ModerateSederhana98%164
UnhealthyTidak Sihat2%4
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 Minden

Perbandingan purata mingguan dengan stesen berhampiran

Balik Pulau59.7 API
Moderate10 away
Seberang Jaya78.7 API
Moderate12 away
Seberang Perai83.6 API
Moderate15 away
Kulim Hi-Tech71 API
Moderate32 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	71	72	72	73	74	75	75	77	77	79	82	83	85	85	88	88	89	89	91	92	92	94	97	98
Thu	99	100	100	105	108	108	103	100	100	99	98	97	97	96	95	93	92	89	89	89	89	87	84	83
Fri	82	81	81	80	80	80	80	80	81	80	80	80	82	83	81	82	81	83	82	80	79	78	77	77
Sat	77	77	78	77	76	76	75	74	73	72	71	70	68	68	68	67	67	66	66	66	66	65	64	64
Sun	64	64	65	65	67	67	67	68	70	72	73	73	74	73	73	74	74	74	74	74	74	75	75	76
Mon	76	76	77	77	78	79	80	80	80	80	81	82	83	85	85	86	86	86	87	87	87	87	87	87
Tue	86	86	86	86	87	86	85	84	83	82	80	79	78	76	76	76	74	74	73	73	72	72	71	69

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	71	72	72	73	74	75	75	77	77	79	82	83	85	85	88	88	89	89	91	92	92	94	97	98
Thu	99	100	100	105	108	108	103	100	100	99	98	97	97	96	95	93	92	89	89	89	89	87	84	83
Fri	82	81	81	80	80	80	80	80	81	80	80	80	82	83	81	82	81	83	82	80	79	78	77	77
Sat	77	77	78	77	76	76	75	74	73	72	71	70	68	68	68	67	67	66	66	66	66	65	64	64
Sun	64	64	65	65	67	67	67	68	70	72	73	73	74	73	73	74	74	74	74	74	74	75	75	76
Mon	76	76	77	77	78	79	80	80	80	80	81	82	83	85	85	86	86	86	87	87	87	87	87	87
Tue	86	86	86	86	87	86	85	84	83	82	80	79	78	76	76	76	74	74	73	73	72	72	71	69