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21 – 27 Oct 2026 · Malaysia

Seremban weekly air quality

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

142.2Weekly mean AQI · Unhealthy for Sensitive Groups

Official DOE API mean: 136.3. 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

145 eligible observations · 0 excluded.

-33.8 AQI compared with the previous week’s eligible mean of 176.

Peak AQI: 179 at Seremban · 24 Oct 2026, 14:00 (UTC+8).

Daily US AQI (PM2.5)

Low 65High 179AQI
0100200
21 Oct27 Oct
27 OctDaily mean · Peak 7878Avg AQI

Based on 1 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.

DayMean AQIPeak AQIEligible / excluded
2026-10-21157.9Unhealthy16024 / 0
2026-10-22158.5Unhealthy16224 / 0
2026-10-23161Unhealthy16324 / 0
2026-10-24174.4Unhealthy17924 / 0
2026-10-25134.3Unhealthy for Sensitive Groups17424 / 0
2026-10-2669.9Moderate7724 / 0
2026-10-2778Moderate781 / 0

Hourly means (UTC+8)

Day01234567891011121314151617181920212223
2026-10-21158158158159159159159160160160160158159156155155155155156158158158158158
2026-10-22159158158158158158158158158156156156155156158158159160160160160162162162
2026-10-23162162162163163162162162160160160162163162160159159159159159159160162162
2026-10-24163165166167170171173174175175177177177177179179179178178178177177177177
2026-10-251741731701671631621591561551521511481421341281221181111059793868175
2026-10-26716868676767676765686765677070707072747475757777
2026-10-2778———————————————————————

Observation categories

Good: 0

Moderate: 30

Unhealthy for Sensitive Groups: 8

Unhealthy: 107

Very Unhealthy: 0

Hazardous: 0

US AQI scale
AQICategory
0–50Good
51–100Moderate
101–150Unhealthy for Sensitive Groups
151–200Unhealthy
201–300Very Unhealthy
301+Hazardous
View the official DOE API report
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Seremban air quality.
Weekly station review.

7 days · Negeri Sembilan

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi stesen Seremban, Negeri Sembilan

During the week of 21 – 27 Oct 2026, air quality at Seremban averaged an Air Pollutant Index (API) of 136.3 (Unhealthy). Readings peaked at 172.

Station weekly average

136.3API

Unhealthy · Tidak Sihat

Daily averages60.2 – 168.3 APIWed → Tue
Explore the week
Week's peak reading
172UnhealthyPeak during 7-day window
Rank in Negeri Sembilan
#2of 3 stationsState avg: 127.4 API
Good to Moderate air
25%of hourly readings145 readings recorded
National standing
#67of 68 stationsNational avg: 84.4 API

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 Seremban shows local patterns like traffic peaks and afternoon haze accumulation.

WedWed 00:00 MYT — API 156Wed 01:00 MYT — API 156Wed 02:00 MYT — API 156Wed 03:00 MYT — API 157Wed 04:00 MYT — API 157Wed 05:00 MYT — API 157Wed 06:00 MYT — API 157Wed 07:00 MYT — API 158Wed 08:00 MYT — API 158Wed 09:00 MYT — API 158Wed 10:00 MYT — API 158Wed 11:00 MYT — API 156Wed 12:00 MYT — API 157Wed 13:00 MYT — API 155Wed 14:00 MYT — API 154Wed 15:00 MYT — API 154Wed 16:00 MYT — API 154Wed 17:00 MYT — API 154Wed 18:00 MYT — API 155Wed 19:00 MYT — API 156Wed 20:00 MYT — API 156Wed 21:00 MYT — API 156Wed 22:00 MYT — API 156Wed 23:00 MYT — API 156ThuThu 00:00 MYT — API 157Thu 01:00 MYT — API 156Thu 02:00 MYT — API 156Thu 03:00 MYT — API 156Thu 04:00 MYT — API 156Thu 05:00 MYT — API 156Thu 06:00 MYT — API 156Thu 07:00 MYT — API 156Thu 08:00 MYT — API 156Thu 09:00 MYT — API 155Thu 10:00 MYT — API 155Thu 11:00 MYT — API 155Thu 12:00 MYT — API 154Thu 13:00 MYT — API 155Thu 14:00 MYT — API 156Thu 15:00 MYT — API 156Thu 16:00 MYT — API 157Thu 17:00 MYT — API 158Thu 18:00 MYT — API 158Thu 19:00 MYT — API 158Thu 20:00 MYT — API 158Thu 21:00 MYT — API 159Thu 22:00 MYT — API 159Thu 23:00 MYT — API 159FriFri 00:00 MYT — API 159Fri 01:00 MYT — API 159Fri 02:00 MYT — API 159Fri 03:00 MYT — API 160Fri 04:00 MYT — API 160Fri 05:00 MYT — API 159Fri 06:00 MYT — API 159Fri 07:00 MYT — API 159Fri 08:00 MYT — API 158Fri 09:00 MYT — API 158Fri 10:00 MYT — API 158Fri 11:00 MYT — API 159Fri 12:00 MYT — API 160Fri 13:00 MYT — API 159Fri 14:00 MYT — API 158Fri 15:00 MYT — API 157Fri 16:00 MYT — API 157Fri 17:00 MYT — API 157Fri 18:00 MYT — API 157Fri 19:00 MYT — API 157Fri 20:00 MYT — API 157Fri 21:00 MYT — API 158Fri 22:00 MYT — API 159Fri 23:00 MYT — API 159SatSat 00:00 MYT — API 160Sat 01:00 MYT — API 161Sat 02:00 MYT — API 162Sat 03:00 MYT — API 163Sat 04:00 MYT — API 165Sat 05:00 MYT — API 166Sat 06:00 MYT — API 167Sat 07:00 MYT — API 168Sat 08:00 MYT — API 169Sat 09:00 MYT — API 169Sat 10:00 MYT — API 170Sat 11:00 MYT — API 170Sat 12:00 MYT — API 170Sat 13:00 MYT — API 170Sat 14:00 MYT — API 172Sat 15:00 MYT — API 172Sat 16:00 MYT — API 172Sat 17:00 MYT — API 171Sat 18:00 MYT — API 171Sat 19:00 MYT — API 171Sat 20:00 MYT — API 170Sat 21:00 MYT — API 170Sat 22:00 MYT — API 170Sat 23:00 MYT — API 170SunSun 00:00 MYT — API 168Sun 01:00 MYT — API 167Sun 02:00 MYT — API 165Sun 03:00 MYT — API 163Sun 04:00 MYT — API 160Sun 05:00 MYT — API 159Sun 06:00 MYT — API 157Sun 07:00 MYT — API 155Sun 08:00 MYT — API 154Sun 09:00 MYT — API 152Sun 10:00 MYT — API 151Sun 11:00 MYT — API 140Sun 12:00 MYT — API 116Sun 13:00 MYT — API 98Sun 14:00 MYT — API 95Sun 15:00 MYT — API 92Sun 16:00 MYT — API 90Sun 17:00 MYT — API 86Sun 18:00 MYT — API 83Sun 19:00 MYT — API 79Sun 20:00 MYT — API 76Sun 21:00 MYT — API 71Sun 22:00 MYT — API 68Sun 23:00 MYT — API 64MonMon 00:00 MYT — API 61Mon 01:00 MYT — API 59Mon 02:00 MYT — API 59Mon 03:00 MYT — API 58Mon 04:00 MYT — API 58Mon 05:00 MYT — API 58Mon 06:00 MYT — API 58Mon 07:00 MYT — API 58Mon 08:00 MYT — API 57Mon 09:00 MYT — API 59Mon 10:00 MYT — API 58Mon 11:00 MYT — API 57Mon 12:00 MYT — API 58Mon 13:00 MYT — API 60Mon 14:00 MYT — API 60Mon 15:00 MYT — API 60Mon 16:00 MYT — API 60Mon 17:00 MYT — API 62Mon 18:00 MYT — API 63Mon 19:00 MYT — API 63Mon 20:00 MYT — API 64Mon 21:00 MYT — API 64Mon 22:00 MYT — API 65Mon 23:00 MYT — API 65TueTue 00:00 MYT — API 66Tue 01:00 — no readingTue 02:00 — no readingTue 03:00 — no readingTue 04:00 — no readingTue 05:00 — no readingTue 06:00 — no readingTue 07:00 — no readingTue 08:00 — no readingTue 09:00 — no readingTue 10:00 — no readingTue 11:00 — no readingTue 12:00 — no readingTue 13:00 — no readingTue 14:00 — no readingTue 15:00 — no readingTue 16:00 — no readingTue 17:00 — no readingTue 18:00 — no readingTue 19:00 — no readingTue 20:00 — no readingTue 21:00 — no readingTue 22:00 — no readingTue 23:00 — no reading0003060912151821
050100150200APIBrighter cells ran hazier than the rest of this week (57 – 172 API)

Haziest hour of the week: Sat at 14:00 MYT, averaging API 172 nationwide.

View the hourly figures as a table
National average API by hour, Malaysia Time
Day000102030405060708091011121314151617181920212223
Wed156156156157157157157158158158158156157155154154154154155156156156156156
Thu157156156156156156156156156155155155154155156156157158158158158159159159
Fri159159159160160159159159158158158159160159158157157157157157157158159159
Sat160161162163165166167168169169170170170170172172172171171171170170170170
Sun1681671651631601591571551541521511401169895929086837976716864
Mon615959585858585857595857586060606062636364646565
Tue66———————————————————————

How the readings split

Pecahan bacaan mengikut kategori IPU

Moderate: 25% (36 readings)Unhealthy: 75% (109 readings)75%Unhealthy
  • GoodBaik0%0
  • ModerateSederhana25%36
  • UnhealthyTidak Sihat75%109
  • Very UnhealthySangat Tidak Sihat0%0
  • HazardousBerbahaya0%0

Based on 145 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
APICategoryKategori
0–50GoodBaik
51–100ModerateSederhana
101–200UnhealthyTidak Sihat
201–300Very UnhealthySangat Tidak Sihat
301+HazardousBerbahaya

Nearby monitoring stations around Seremban

Perbandingan purata mingguan dengan stesen berhampiran