14 – 20 Oct 2026 · Malaysia

Tanah Merah weekly air quality

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

80.3Weekly mean AQI · Moderate

Official DOE API mean: 67.1. 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

168 eligible observations · 0 excluded.

-10.2 AQI compared with the previous week’s eligible mean of 90.5.

Peak AQI: 113 at Tanah Merah · 15 Oct 2026, 16:00 (UTC+8).

Daily US AQI (PM2.5)

Low 56High 113AQI

14 Oct20 Oct

20 OctDaily mean · Peak 7572.8Avg 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	75.6Moderate	90	24 / 0
2026-10-15	104.3Unhealthy for Sensitive Groups	113	24 / 0
2026-10-16	95.8Moderate	107	24 / 0
2026-10-17	79.8Moderate	86	24 / 0
2026-10-18	72.5Moderate	78	24 / 0
2026-10-19	61.1Moderate	72	24 / 0
2026-10-20	72.8Moderate	75	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	65	67	67	67	68	68	68	70	70	70	71	72	74	75	77	78	81	83	84	86	87	88	88	90
2026-10-15	91	91	93	94	96	97	99	101	103	105	107	109	109	111	111	111	113	111	109	109	109	109	109	107
2026-10-16	107	105	105	105	105	103	103	101	99	99	97	96	96	94	93	91	90	90	88	88	87	86	86	86
2026-10-17	86	86	84	84	83	83	81	81	81	80	80	78	78	78	78	77	77	77	77	77	77	77	78	78
2026-10-18	78	78	78	77	77	77	75	75	75	75	74	74	72	72	71	71	71	71	70	70	67	65	64	62
2026-10-19	59	59	58	58	57	56	56	56	56	56	57	57	58	58	59	59	61	62	67	70	71	72	72	72
2026-10-20	72	72	72	72	74	74	74	74	74	72	72	72	72	74	74	75	75	74	74	72	71	70	71	71

Observation categories

Good: 0

Moderate: 143

Unhealthy for Sensitive Groups: 25

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

Tanah Merah air quality.
Weekly station review.

14 – 20 Oct 20267 days · Kelantan

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi stesen Tanah Merah, Kelantan

During the week of 14 – 20 Oct 2026, air quality at Tanah Merah averaged an Air Pollutant Index (API) of 67.1 (Moderate). Readings peaked at 87.

Station weekly average

67.1API

Moderate · Sederhana

Daily averages54 – 82.5 APIWed → Tue

Explore the week

Week's peak reading: 87ModeratePeak during 7-day window
Rank in Kelantan: #1of 2 stationsState avg: 68.5 API
Good to Moderate air: 100%of hourly readings168 readings recorded
National standing: #13of 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 · 0–100 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	64.1	57	74
Thu, 15 Oct	82.5	75	87
Fri, 16 Oct	77.6	71	84
Sat, 17 Oct	67	65	71
Sun, 18 Oct	62	55	66
Mon, 19 Oct	54	50	62
Tue, 20 Oct	62.3	60	64

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 Tanah Merah shows local patterns like traffic peaks and afternoon haze accumulation.

0255075100APIBrighter cells ran hazier than the rest of this week (50 – 87 API)

Haziest hour of the week: Thu at 16:00 MYT, averaging API 87 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	57	58	58	58	59	59	59	60	60	60	61	62	63	64	65	66	68	69	70	71	72	73	73	74
Thu	75	75	76	77	78	79	80	81	82	83	84	85	85	86	86	86	87	86	85	85	85	85	85	84
Fri	84	83	83	83	83	82	82	81	80	80	79	78	78	77	76	75	74	74	73	73	72	71	71	71
Sat	71	71	70	70	69	69	68	68	68	67	67	66	66	66	66	65	65	65	65	65	65	65	66	66
Sun	66	66	66	65	65	65	64	64	64	64	63	63	62	62	61	61	61	61	60	60	58	57	56	55
Mon	53	53	52	52	51	50	50	50	50	50	51	51	52	52	53	53	54	55	58	60	61	62	62	62
Tue	62	62	62	62	63	63	63	63	63	62	62	62	62	63	63	64	64	63	63	62	61	60	61	61

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik3%5
ModerateSederhana97%163
UnhealthyTidak Sihat0%0
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 Tanah Merah

Perbandingan purata mingguan dengan stesen berhampiran

Kota Bharu69.9 API
Moderate39 away
Besut70.9 API
Moderate43 away
Kuala Terengganu75.7 API
Moderate123 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	57	58	58	58	59	59	59	60	60	60	61	62	63	64	65	66	68	69	70	71	72	73	73	74
Thu	75	75	76	77	78	79	80	81	82	83	84	85	85	86	86	86	87	86	85	85	85	85	85	84
Fri	84	83	83	83	83	82	82	81	80	80	79	78	78	77	76	75	74	74	73	73	72	71	71	71
Sat	71	71	70	70	69	69	68	68	68	67	67	66	66	66	66	65	65	65	65	65	65	65	66	66
Sun	66	66	66	65	65	65	64	64	64	64	63	63	62	62	61	61	61	61	60	60	58	57	56	55
Mon	53	53	52	52	51	50	50	50	50	50	51	51	52	52	53	53	54	55	58	60	61	62	62	62
Tue	62	62	62	62	63	63	63	63	63	62	62	62	62	63	63	64	64	63	63	62	61	60	61	61

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	57	58	58	58	59	59	59	60	60	60	61	62	63	64	65	66	68	69	70	71	72	73	73	74
Thu	75	75	76	77	78	79	80	81	82	83	84	85	85	86	86	86	87	86	85	85	85	85	85	84
Fri	84	83	83	83	83	82	82	81	80	80	79	78	78	77	76	75	74	74	73	73	72	71	71	71
Sat	71	71	70	70	69	69	68	68	68	67	67	66	66	66	66	65	65	65	65	65	65	65	66	66
Sun	66	66	66	65	65	65	64	64	64	64	63	63	62	62	61	61	61	61	60	60	58	57	56	55
Mon	53	53	52	52	51	50	50	50	50	50	51	51	52	52	53	53	54	55	58	60	61	62	62	62
Tue	62	62	62	62	63	63	63	63	63	62	62	62	62	63	63	64	64	63	63	62	61	60	61	61