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21 – 27 Oct 2026 · Malaysia

Samarahan weekly air quality

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

124.6Weekly mean AQI · Unhealthy for Sensitive Groups

Official DOE API mean: 109. 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.

+6.7 AQI compared with the previous week’s eligible mean of 117.9.

Peak AQI: 194 at Samarahan · 25 Oct 2026, 08:00 (UTC+8).

Daily US AQI (PM2.5)

Low 78High 194AQI
0100200
21 Oct27 Oct
27 OctDaily mean · Peak 107107Avg 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
2026-10-2182.9Moderate9424 / 0
2026-10-2287.8Moderate9924 / 0
2026-10-23110.3Unhealthy for Sensitive Groups12024 / 0
2026-10-24130Unhealthy for Sensitive Groups17424 / 0
2026-10-25187.8Unhealthy19424 / 0
2026-10-26149.8Unhealthy for Sensitive Groups17824 / 0
2026-10-27107Unhealthy for Sensitive Groups1071 / 0

Hourly means (UTC+8)

Day01234567891011121314151617181920212223
2026-10-21949391888786848381818080788080788180808081818181
2026-10-22818383838383848486868786868687889091939494949799
2026-10-2399103103105105107107107109109111115118120118120118118115111111109105103
2026-10-24101999799999797101105113120124130136141147154156159163166170171174
2026-10-25177179182185188189192193194194193193193193193192190189186185184182181179
2026-10-26178177174171170167165163160159158156155152150142138134130126122118117113
2026-10-27107———————————————————————

Observation categories

Good: 0

Moderate: 55

Unhealthy for Sensitive Groups: 44

Unhealthy: 46

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
haze

Samarahan air quality.
Weekly station review.

7 days · Sarawak

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi stesen Samarahan, Sarawak

During the week of 21 – 27 Oct 2026, air quality at Samarahan averaged an Air Pollutant Index (API) of 109 (Unhealthy). Readings peaked at 183.

Station weekly average

109API

Unhealthy · Tidak Sihat

Daily averages69.2 – 178.1 APIWed → Tue
Explore the week
Week's peak reading
183UnhealthyPeak during 7-day window
Rank in Sarawak
#11of 13 stationsState avg: 87.4 API
Good to Moderate air
66%of hourly readings145 readings recorded
National standing
#50of 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 Samarahan shows local patterns like traffic peaks and afternoon haze accumulation.

WedWed 00:00 MYT — API 77Wed 01:00 MYT — API 76Wed 02:00 MYT — API 75Wed 03:00 MYT — API 73Wed 04:00 MYT — API 72Wed 05:00 MYT — API 71Wed 06:00 MYT — API 70Wed 07:00 MYT — API 69Wed 08:00 MYT — API 68Wed 09:00 MYT — API 68Wed 10:00 MYT — API 67Wed 11:00 MYT — API 67Wed 12:00 MYT — API 66Wed 13:00 MYT — API 67Wed 14:00 MYT — API 67Wed 15:00 MYT — API 66Wed 16:00 MYT — API 68Wed 17:00 MYT — API 67Wed 18:00 MYT — API 67Wed 19:00 MYT — API 67Wed 20:00 MYT — API 68Wed 21:00 MYT — API 68Wed 22:00 MYT — API 68Wed 23:00 MYT — API 68ThuThu 00:00 MYT — API 68Thu 01:00 MYT — API 69Thu 02:00 MYT — API 69Thu 03:00 MYT — API 69Thu 04:00 MYT — API 69Thu 05:00 MYT — API 69Thu 06:00 MYT — API 70Thu 07:00 MYT — API 70Thu 08:00 MYT — API 71Thu 09:00 MYT — API 71Thu 10:00 MYT — API 72Thu 11:00 MYT — API 71Thu 12:00 MYT — API 71Thu 13:00 MYT — API 71Thu 14:00 MYT — API 72Thu 15:00 MYT — API 73Thu 16:00 MYT — API 74Thu 17:00 MYT — API 75Thu 18:00 MYT — API 76Thu 19:00 MYT — API 77Thu 20:00 MYT — API 77Thu 21:00 MYT — API 77Thu 22:00 MYT — API 79Thu 23:00 MYT — API 80FriFri 00:00 MYT — API 80Fri 01:00 MYT — API 82Fri 02:00 MYT — API 82Fri 03:00 MYT — API 83Fri 04:00 MYT — API 83Fri 05:00 MYT — API 84Fri 06:00 MYT — API 84Fri 07:00 MYT — API 84Fri 08:00 MYT — API 85Fri 09:00 MYT — API 85Fri 10:00 MYT — API 86Fri 11:00 MYT — API 88Fri 12:00 MYT — API 90Fri 13:00 MYT — API 91Fri 14:00 MYT — API 90Fri 15:00 MYT — API 91Fri 16:00 MYT — API 90Fri 17:00 MYT — API 90Fri 18:00 MYT — API 88Fri 19:00 MYT — API 86Fri 20:00 MYT — API 86Fri 21:00 MYT — API 85Fri 22:00 MYT — API 83Fri 23:00 MYT — API 82SatSat 00:00 MYT — API 81Sat 01:00 MYT — API 80Sat 02:00 MYT — API 79Sat 03:00 MYT — API 80Sat 04:00 MYT — API 80Sat 05:00 MYT — API 79Sat 06:00 MYT — API 79Sat 07:00 MYT — API 81Sat 08:00 MYT — API 83Sat 09:00 MYT — API 87Sat 10:00 MYT — API 91Sat 11:00 MYT — API 93Sat 12:00 MYT — API 96Sat 13:00 MYT — API 99Sat 14:00 MYT — API 112Sat 15:00 MYT — API 137Sat 16:00 MYT — API 153Sat 17:00 MYT — API 155Sat 18:00 MYT — API 157Sat 19:00 MYT — API 160Sat 20:00 MYT — API 162Sat 21:00 MYT — API 165Sat 22:00 MYT — API 166Sat 23:00 MYT — API 168SunSun 00:00 MYT — API 170Sun 01:00 MYT — API 172Sun 02:00 MYT — API 174Sun 03:00 MYT — API 176Sun 04:00 MYT — API 178Sun 05:00 MYT — API 179Sun 06:00 MYT — API 181Sun 07:00 MYT — API 182Sun 08:00 MYT — API 183Sun 09:00 MYT — API 183Sun 10:00 MYT — API 182Sun 11:00 MYT — API 182Sun 12:00 MYT — API 182Sun 13:00 MYT — API 182Sun 14:00 MYT — API 182Sun 15:00 MYT — API 181Sun 16:00 MYT — API 180Sun 17:00 MYT — API 179Sun 18:00 MYT — API 177Sun 19:00 MYT — API 176Sun 20:00 MYT — API 175Sun 21:00 MYT — API 174Sun 22:00 MYT — API 173Sun 23:00 MYT — API 172MonMon 00:00 MYT — API 171Mon 01:00 MYT — API 170Mon 02:00 MYT — API 168Mon 03:00 MYT — API 166Mon 04:00 MYT — API 165Mon 05:00 MYT — API 163Mon 06:00 MYT — API 161Mon 07:00 MYT — API 160Mon 08:00 MYT — API 158Mon 09:00 MYT — API 157Mon 10:00 MYT — API 156Mon 11:00 MYT — API 155Mon 12:00 MYT — API 154Mon 13:00 MYT — API 152Mon 14:00 MYT — API 149Mon 15:00 MYT — API 116Mon 16:00 MYT — API 100Mon 17:00 MYT — API 98Mon 18:00 MYT — API 96Mon 19:00 MYT — API 94Mon 20:00 MYT — API 92Mon 21:00 MYT — API 90Mon 22:00 MYT — API 89Mon 23:00 MYT — API 87TueTue 00:00 MYT — API 84Tue 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 (66 – 183 API)

Haziest hour of the week: Sun at 08:00 MYT, averaging API 183 nationwide.

View the hourly figures as a table
National average API by hour, Malaysia Time
Day000102030405060708091011121314151617181920212223
Wed777675737271706968686767666767666867676768686868
Thu686969696969707071717271717172737475767777777980
Fri808282838384848485858688909190919090888686858382
Sat8180798080797981838791939699112137153155157160162165166168
Sun170172174176178179181182183183182182182182182181180179177176175174173172
Mon17117016816616516316116015815715615515415214911610098969492908987
Tue84———————————————————————

How the readings split

Pecahan bacaan mengikut kategori IPU

Moderate: 66% (95 readings)Unhealthy: 34% (50 readings)66%Moderate
  • GoodBaik0%0
  • ModerateSederhana66%95
  • UnhealthyTidak Sihat34%50
  • 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 Samarahan

Perbandingan purata mingguan dengan stesen berhampiran