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21 – 27 Oct 2026 · Malaysia

Batu Muda weekly air quality

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

140.7Weekly mean AQI · Unhealthy for Sensitive Groups

Official DOE API mean: 133.1. 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

148 eligible observations · 0 excluded.

-26.8 AQI compared with the previous week’s eligible mean of 167.5.

Peak AQI: 167 at Batu Muda · 21 Oct 2026, 00:00 (UTC+8).

Daily US AQI (PM2.5)

Low 84High 167AQI
087.5175
21 Oct27 Oct
27 OctDaily mean · Peak 10199.5Avg AQI

Based on 4 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
2026-10-21159.4Unhealthy16724 / 0
2026-10-22154Unhealthy15824 / 0
2026-10-23158.9Unhealthy16024 / 0
2026-10-24162.6Unhealthy16624 / 0
2026-10-25124.4Unhealthy for Sensitive Groups15624 / 0
2026-10-2691.9Moderate9924 / 0
2026-10-2799.5Moderate1014 / 0

Hourly means (UTC+8)

Day01234567891011121314151617181920212223
2026-10-21167167166165163163162162162160160160160158156156156156156155155154154152
2026-10-22152152152152152152152152152152154154154155156156154154155155156156158158
2026-10-23159159159159159159159159159160159159158158156156159159159159160160160160
2026-10-24162162162163163165165166166166165165165163163163162162160160159159158158
2026-10-2515615515515415215014413613012612412411811511711111110710710199979997
2026-10-26949393919088888888878684879391949394949697999999
2026-10-27101999999————————————————————

Observation categories

Good: 0

Moderate: 31

Unhealthy for Sensitive Groups: 16

Unhealthy: 101

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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Batu Muda air quality.
Weekly station review.

7 days · Kuala Lumpur

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi stesen Batu Muda, Kuala Lumpur

During the week of 21 – 27 Oct 2026, air quality at Batu Muda averaged an Air Pollutant Index (API) of 133.1 (Unhealthy). Readings peaked at 163.

Station weekly average

133.1API

Unhealthy · Tidak Sihat

Daily averages75.4 – 159.5 APIWed → Tue
Explore the week
Week's peak reading
163UnhealthyPeak during 7-day window
Rank in Kuala Lumpur
#2of 2 stationsState avg: 120.5 API
Good to Moderate air
30%of hourly readings148 readings recorded
National standing
#66of 68 stationsNational avg: 83.8 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 Batu Muda shows local patterns like traffic peaks and afternoon haze accumulation.

WedWed 00:00 MYT — API 163Wed 01:00 MYT — API 163Wed 02:00 MYT — API 162Wed 03:00 MYT — API 161Wed 04:00 MYT — API 160Wed 05:00 MYT — API 160Wed 06:00 MYT — API 159Wed 07:00 MYT — API 159Wed 08:00 MYT — API 159Wed 09:00 MYT — API 158Wed 10:00 MYT — API 158Wed 11:00 MYT — API 158Wed 12:00 MYT — API 158Wed 13:00 MYT — API 156Wed 14:00 MYT — API 155Wed 15:00 MYT — API 155Wed 16:00 MYT — API 155Wed 17:00 MYT — API 155Wed 18:00 MYT — API 155Wed 19:00 MYT — API 154Wed 20:00 MYT — API 154Wed 21:00 MYT — API 153Wed 22:00 MYT — API 153Wed 23:00 MYT — API 152ThuThu 00:00 MYT — API 152Thu 01:00 MYT — API 152Thu 02:00 MYT — API 152Thu 03:00 MYT — API 152Thu 04:00 MYT — API 152Thu 05:00 MYT — API 152Thu 06:00 MYT — API 152Thu 07:00 MYT — API 152Thu 08:00 MYT — API 152Thu 09:00 MYT — API 152Thu 10:00 MYT — API 153Thu 11:00 MYT — API 153Thu 12:00 MYT — API 153Thu 13:00 MYT — API 154Thu 14:00 MYT — API 155Thu 15:00 MYT — API 155Thu 16:00 MYT — API 153Thu 17:00 MYT — API 153Thu 18:00 MYT — API 154Thu 19:00 MYT — API 154Thu 20:00 MYT — API 155Thu 21:00 MYT — API 155Thu 22:00 MYT — API 156Thu 23:00 MYT — API 156FriFri 00:00 MYT — API 157Fri 01:00 MYT — API 157Fri 02:00 MYT — API 157Fri 03:00 MYT — API 157Fri 04:00 MYT — API 157Fri 05:00 MYT — API 157Fri 06:00 MYT — API 157Fri 07:00 MYT — API 157Fri 08:00 MYT — API 157Fri 09:00 MYT — API 158Fri 10:00 MYT — API 157Fri 11:00 MYT — API 157Fri 12:00 MYT — API 156Fri 13:00 MYT — API 156Fri 14:00 MYT — API 155Fri 15:00 MYT — API 155Fri 16:00 MYT — API 157Fri 17:00 MYT — API 157Fri 18:00 MYT — API 157Fri 19:00 MYT — API 157Fri 20:00 MYT — API 158Fri 21:00 MYT — API 158Fri 22:00 MYT — API 158Fri 23:00 MYT — API 158SatSat 00:00 MYT — API 159Sat 01:00 MYT — API 159Sat 02:00 MYT — API 159Sat 03:00 MYT — API 160Sat 04:00 MYT — API 160Sat 05:00 MYT — API 161Sat 06:00 MYT — API 161Sat 07:00 MYT — API 162Sat 08:00 MYT — API 162Sat 09:00 MYT — API 162Sat 10:00 MYT — API 161Sat 11:00 MYT — API 161Sat 12:00 MYT — API 161Sat 13:00 MYT — API 160Sat 14:00 MYT — API 160Sat 15:00 MYT — API 160Sat 16:00 MYT — API 159Sat 17:00 MYT — API 159Sat 18:00 MYT — API 158Sat 19:00 MYT — API 158Sat 20:00 MYT — API 157Sat 21:00 MYT — API 157Sat 22:00 MYT — API 156Sat 23:00 MYT — API 156SunSun 00:00 MYT — API 155Sun 01:00 MYT — API 154Sun 02:00 MYT — API 154Sun 03:00 MYT — API 153Sun 04:00 MYT — API 152Sun 05:00 MYT — API 149Sun 06:00 MYT — API 124Sun 07:00 MYT — API 99Sun 08:00 MYT — API 96Sun 09:00 MYT — API 94Sun 10:00 MYT — API 93Sun 11:00 MYT — API 93Sun 12:00 MYT — API 90Sun 13:00 MYT — API 88Sun 14:00 MYT — API 89Sun 15:00 MYT — API 86Sun 16:00 MYT — API 86Sun 17:00 MYT — API 84Sun 18:00 MYT — API 84Sun 19:00 MYT — API 81Sun 20:00 MYT — API 80Sun 21:00 MYT — API 79Sun 22:00 MYT — API 80Sun 23:00 MYT — API 79MonMon 00:00 MYT — API 77Mon 01:00 MYT — API 76Mon 02:00 MYT — API 76Mon 03:00 MYT — API 75Mon 04:00 MYT — API 74Mon 05:00 MYT — API 73Mon 06:00 MYT — API 73Mon 07:00 MYT — API 73Mon 08:00 MYT — API 73Mon 09:00 MYT — API 72Mon 10:00 MYT — API 71Mon 11:00 MYT — API 70Mon 12:00 MYT — API 72Mon 13:00 MYT — API 76Mon 14:00 MYT — API 75Mon 15:00 MYT — API 77Mon 16:00 MYT — API 76Mon 17:00 MYT — API 77Mon 18:00 MYT — API 77Mon 19:00 MYT — API 78Mon 20:00 MYT — API 79Mon 21:00 MYT — API 80Mon 22:00 MYT — API 80Mon 23:00 MYT — API 80TueTue 00:00 MYT — API 81Tue 01:00 MYT — API 80Tue 02:00 MYT — API 80Tue 03:00 MYT — API 80Tue 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
0255075100125150175APIBrighter cells ran hazier than the rest of this week (70 – 163 API)

Haziest hour of the week: Wed at 00:00 MYT, averaging API 163 nationwide.

View the hourly figures as a table
National average API by hour, Malaysia Time
Day000102030405060708091011121314151617181920212223
Wed163163162161160160159159159158158158158156155155155155155154154153153152
Thu152152152152152152152152152152153153153154155155153153154154155155156156
Fri157157157157157157157157157158157157156156155155157157157157158158158158
Sat159159159160160161161162162162161161161160160160159159158158157157156156
Sun1551541541531521491249996949393908889868684848180798079
Mon777676757473737373727170727675777677777879808080
Tue81808080————————————————————

How the readings split

Pecahan bacaan mengikut kategori IPU

Moderate: 30% (45 readings)Unhealthy: 70% (103 readings)70%Unhealthy
  • GoodBaik0%0
  • ModerateSederhana30%45
  • UnhealthyTidak Sihat70%103
  • Very UnhealthySangat Tidak Sihat0%0
  • HazardousBerbahaya0%0

Based on 148 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 Batu Muda

Perbandingan purata mingguan dengan stesen berhampiran