30 Sep – 6 Oct 2026 · Malaysia

Kulim Hi-Tech weekly air quality

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

69.3Weekly mean AQI · Moderate

Official DOE API mean: 59.6. 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

162 eligible observations · 0 excluded.

0 AQI compared with the previous week’s eligible mean of 69.3.

Peak AQI: 113 at Kulim Hi-Tech · 30 Sept 2026, 00:00 (UTC+8).

Daily US AQI (PM2.5)

Low 53High 113AQI

30 Sept6 Oct

6 OctDaily mean · Peak 7163.2Avg AQI

Based on 18 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
2026-09-30	87.7Moderate	113	24 / 0
2026-10-01	59.6Moderate	68	24 / 0
2026-10-02	76.5Moderate	83	24 / 0
2026-10-03	60.9Moderate	68	24 / 0
2026-10-04	66.9Moderate	68	24 / 0
2026-10-05	69Moderate	71	24 / 0
2026-10-06	63.2Moderate	71	18 / 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
2026-09-30	113	109	107	105	103	99	97	96	94	94	93	93	91	88	84	81	77	74	71	71	68	67	65	64
2026-10-01	64	62	62	61	59	58	58	58	57	56	56	55	53	53	55	55	58	59	62	64	65	65	67	68
2026-10-02	70	71	72	74	75	75	75	77	77	78	80	83	83	83	83	83	80	78	77	75	74	72	71	70
2026-10-03	68	67	65	64	62	62	62	61	61	59	58	57	55	56	56	57	58	61	59	61	62	62	64	65
2026-10-04	65	67	67	67	67	67	67	68	68	68	67	67	67	65	65	67	68	67	67	67	67	67	67	67
2026-10-05	68	68	68	70	70	70	71	71	71	70	71	71	71	71	71	71	68	68	67	67	67	65	65	65
2026-10-06	64	64	62	62	62	62	62	62	62	62	62	62	62	62	62	65	68	71	—	—	—	—	—	—

Observation categories

Good: 0

Moderate: 157

Unhealthy for Sensitive Groups: 5

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

Kulim Hi-Tech air quality.
Weekly station review.

30 Sep – 6 Oct 20267 days · Kedah

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi stesen Kulim Hi-Tech, Kedah

During the week of 30 Sep – 6 Oct 2026, air quality at Kulim Hi-Tech averaged an Air Pollutant Index (API) of 59.6 (Moderate). Readings peaked at 87.

Station weekly average

59.6API

Moderate · Sederhana

Daily averages52.2 – 72.1 APIWed → Tue

Explore the week

Week's peak reading: 87ModeratePeak during 7-day window
Rank in Kedah: #2of 4 stationsState avg: 60.5 API
Good to Moderate air: 100%of hourly readings162 readings recorded
National standing: #10of 68 stationsNational avg: 83 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, 30 Sep	72.1	56	87
Thu, 1 Oct	52.2	43	59
Fri, 2 Oct	64.8	60	69
Sat, 3 Oct	53.9	48	59
Sun, 4 Oct	58	57	59
Mon, 5 Oct	59.5	57	61
Tue, 6 Oct	55.8	55	61

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 Kulim Hi-Tech shows local patterns like traffic peaks and afternoon haze accumulation.

0255075100APIBrighter cells ran hazier than the rest of this week (43 – 87 API)

Haziest hour of the week: Wed at 00:00 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	87	85	84	83	82	80	79	78	77	77	76	76	75	73	70	68	65	63	61	61	59	58	57	56
Thu	56	55	55	54	53	52	52	52	51	50	49	47	43	43	46	47	52	53	55	56	57	57	58	59
Fri	60	61	62	63	64	64	64	65	65	66	67	69	69	69	69	69	67	66	65	64	63	62	61	60
Sat	59	58	57	56	55	55	55	54	54	53	52	51	48	50	50	51	52	54	53	54	55	55	56	57
Sun	57	58	58	58	58	58	58	59	59	59	58	58	58	57	57	58	59	58	58	58	58	58	58	58
Mon	59	59	59	60	60	60	61	61	61	60	61	61	61	61	61	61	59	59	58	58	58	57	57	57
Tue	56	56	55	55	55	55	55	55	55	55	55	55	55	55	55	57	59	61	—	—	—	—	—	—

How the readings split

Pecahan bacaan mengikut kategori IPU

GoodBaik6%10
ModerateSederhana94%152
UnhealthyTidak Sihat0%0
Very UnhealthySangat Tidak Sihat0%0
HazardousBerbahaya0%0

Based on 162 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 Kulim Hi-Tech

Perbandingan purata mingguan dengan stesen berhampiran

Seberang Perai71.2 API
Moderate18 away
Seberang Jaya69.3 API
Moderate21 away
Sungai Petani69.8 API
Moderate29 away
Minden70.2 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	87	85	84	83	82	80	79	78	77	77	76	76	75	73	70	68	65	63	61	61	59	58	57	56
Thu	56	55	55	54	53	52	52	52	51	50	49	47	43	43	46	47	52	53	55	56	57	57	58	59
Fri	60	61	62	63	64	64	64	65	65	66	67	69	69	69	69	69	67	66	65	64	63	62	61	60
Sat	59	58	57	56	55	55	55	54	54	53	52	51	48	50	50	51	52	54	53	54	55	55	56	57
Sun	57	58	58	58	58	58	58	59	59	59	58	58	58	57	57	58	59	58	58	58	58	58	58	58
Mon	59	59	59	60	60	60	61	61	61	60	61	61	61	61	61	61	59	59	58	58	58	57	57	57
Tue	56	56	55	55	55	55	55	55	55	55	55	55	55	55	55	57	59	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	87	85	84	83	82	80	79	78	77	77	76	76	75	73	70	68	65	63	61	61	59	58	57	56
Thu	56	55	55	54	53	52	52	52	51	50	49	47	43	43	46	47	52	53	55	56	57	57	58	59
Fri	60	61	62	63	64	64	64	65	65	66	67	69	69	69	69	69	67	66	65	64	63	62	61	60
Sat	59	58	57	56	55	55	55	54	54	53	52	51	48	50	50	51	52	54	53	54	55	55	56	57
Sun	57	58	58	58	58	58	58	59	59	59	58	58	58	57	57	58	59	58	58	58	58	58	58	58
Mon	59	59	59	60	60	60	61	61	61	60	61	61	61	61	61	61	59	59	58	58	58	57	57	57
Tue	56	56	55	55	55	55	55	55	55	55	55	55	55	55	55	57	59	61	—	—	—	—	—	—