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21 – 27 Oct 2026 · Malaysia

IPD Serian weekly air quality

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

138.3Weekly mean AQI · Unhealthy for Sensitive Groups

Official DOE API mean: 122.7. 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.

+15.9 AQI compared with the previous week’s eligible mean of 122.4.

Peak AQI: 220 at IPD Serian · 25 Oct 2026, 15:00 (UTC+8).

Daily US AQI (PM2.5)

Low 65High 220AQI
0112.5225
21 Oct27 Oct
27 OctDaily mean · Peak 136131Avg 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
2026-10-2171.9Moderate7824 / 0
2026-10-2291.9Moderate11524 / 0
2026-10-23130.8Unhealthy for Sensitive Groups14724 / 0
2026-10-24159Unhealthy18924 / 0
2026-10-25207.5Very Unhealthy22024 / 0
2026-10-26170.2Unhealthy19624 / 0
2026-10-27131Unhealthy for Sensitive Groups1364 / 0

Hourly means (UTC+8)

Day01234567891011121314151617181920212223
2026-10-21787777757574727272707070686565687070717272747475
2026-10-2275757777788080818183848790949697101105109107109111113115
2026-10-23117117117118118118118122124128130132138141145146147142139138136136136136
2026-10-24136136138141143146151152154155156156158158159162163169171175179182186189
2026-10-25192194197198203206208208210212214214216218218220216214210208204203200198
2026-10-26196194193190188185184181179177174173170166163159158156156154152151145140
2026-10-27136132130126————————————————————

Observation categories

Good: 0

Moderate: 40

Unhealthy for Sensitive Groups: 44

Unhealthy: 46

Very Unhealthy: 18

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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IPD Serian air quality.
Weekly station review.

7 days · Sarawak

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

During the week of 21 – 27 Oct 2026, air quality at IPD Serian averaged an Air Pollutant Index (API) of 122.7 (Unhealthy). Readings peaked at 197.

Station weekly average

122.7API

Unhealthy · Tidak Sihat

Daily averages61.7 – 190.6 APIWed → Tue
Explore the week
Week's peak reading
197UnhealthyPeak during 7-day window
Rank in Sarawak
#13of 13 stationsState avg: 87.3 API
Good to Moderate air
48%of hourly readings148 readings recorded
National standing
#62of 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 IPD Serian shows local patterns like traffic peaks and afternoon haze accumulation.

WedWed 00:00 MYT — API 66Wed 01:00 MYT — API 65Wed 02:00 MYT — API 65Wed 03:00 MYT — API 64Wed 04:00 MYT — API 64Wed 05:00 MYT — API 63Wed 06:00 MYT — API 62Wed 07:00 MYT — API 62Wed 08:00 MYT — API 62Wed 09:00 MYT — API 60Wed 10:00 MYT — API 60Wed 11:00 MYT — API 60Wed 12:00 MYT — API 59Wed 13:00 MYT — API 57Wed 14:00 MYT — API 57Wed 15:00 MYT — API 59Wed 16:00 MYT — API 60Wed 17:00 MYT — API 60Wed 18:00 MYT — API 61Wed 19:00 MYT — API 62Wed 20:00 MYT — API 62Wed 21:00 MYT — API 63Wed 22:00 MYT — API 63Wed 23:00 MYT — API 64ThuThu 00:00 MYT — API 64Thu 01:00 MYT — API 64Thu 02:00 MYT — API 65Thu 03:00 MYT — API 65Thu 04:00 MYT — API 66Thu 05:00 MYT — API 67Thu 06:00 MYT — API 67Thu 07:00 MYT — API 68Thu 08:00 MYT — API 68Thu 09:00 MYT — API 69Thu 10:00 MYT — API 70Thu 11:00 MYT — API 72Thu 12:00 MYT — API 74Thu 13:00 MYT — API 77Thu 14:00 MYT — API 78Thu 15:00 MYT — API 79Thu 16:00 MYT — API 81Thu 17:00 MYT — API 83Thu 18:00 MYT — API 85Thu 19:00 MYT — API 84Thu 20:00 MYT — API 85Thu 21:00 MYT — API 86Thu 22:00 MYT — API 87Thu 23:00 MYT — API 88FriFri 00:00 MYT — API 89Fri 01:00 MYT — API 89Fri 02:00 MYT — API 89Fri 03:00 MYT — API 90Fri 04:00 MYT — API 90Fri 05:00 MYT — API 90Fri 06:00 MYT — API 90Fri 07:00 MYT — API 92Fri 08:00 MYT — API 93Fri 09:00 MYT — API 95Fri 10:00 MYT — API 96Fri 11:00 MYT — API 97Fri 12:00 MYT — API 100Fri 13:00 MYT — API 112Fri 14:00 MYT — API 128Fri 15:00 MYT — API 132Fri 16:00 MYT — API 136Fri 17:00 MYT — API 117Fri 18:00 MYT — API 106Fri 19:00 MYT — API 102Fri 20:00 MYT — API 99Fri 21:00 MYT — API 99Fri 22:00 MYT — API 99Fri 23:00 MYT — API 99SatSat 00:00 MYT — API 99Sat 01:00 MYT — API 99Sat 02:00 MYT — API 102Sat 03:00 MYT — API 115Sat 04:00 MYT — API 123Sat 05:00 MYT — API 135Sat 06:00 MYT — API 151Sat 07:00 MYT — API 152Sat 08:00 MYT — API 153Sat 09:00 MYT — API 154Sat 10:00 MYT — API 155Sat 11:00 MYT — API 155Sat 12:00 MYT — API 156Sat 13:00 MYT — API 156Sat 14:00 MYT — API 157Sat 15:00 MYT — API 159Sat 16:00 MYT — API 160Sat 17:00 MYT — API 164Sat 18:00 MYT — API 166Sat 19:00 MYT — API 169Sat 20:00 MYT — API 172Sat 21:00 MYT — API 174Sat 22:00 MYT — API 177Sat 23:00 MYT — API 179SunSun 00:00 MYT — API 181Sun 01:00 MYT — API 183Sun 02:00 MYT — API 185Sun 03:00 MYT — API 186Sun 04:00 MYT — API 188Sun 05:00 MYT — API 190Sun 06:00 MYT — API 191Sun 07:00 MYT — API 191Sun 08:00 MYT — API 192Sun 09:00 MYT — API 193Sun 10:00 MYT — API 194Sun 11:00 MYT — API 194Sun 12:00 MYT — API 195Sun 13:00 MYT — API 196Sun 14:00 MYT — API 196Sun 15:00 MYT — API 197Sun 16:00 MYT — API 195Sun 17:00 MYT — API 194Sun 18:00 MYT — API 192Sun 19:00 MYT — API 191Sun 20:00 MYT — API 189Sun 21:00 MYT — API 188Sun 22:00 MYT — API 187Sun 23:00 MYT — API 186MonMon 00:00 MYT — API 184Mon 01:00 MYT — API 183Mon 02:00 MYT — API 182Mon 03:00 MYT — API 180Mon 04:00 MYT — API 178Mon 05:00 MYT — API 176Mon 06:00 MYT — API 175Mon 07:00 MYT — API 173Mon 08:00 MYT — API 172Mon 09:00 MYT — API 170Mon 10:00 MYT — API 168Mon 11:00 MYT — API 167Mon 12:00 MYT — API 165Mon 13:00 MYT — API 162Mon 14:00 MYT — API 160Mon 15:00 MYT — API 157Mon 16:00 MYT — API 156Mon 17:00 MYT — API 155Mon 18:00 MYT — API 155Mon 19:00 MYT — API 153Mon 20:00 MYT — API 152Mon 21:00 MYT — API 151Mon 22:00 MYT — API 129Mon 23:00 MYT — API 110TueTue 00:00 MYT — API 99Tue 01:00 MYT — API 97Tue 02:00 MYT — API 96Tue 03:00 MYT — API 94Tue 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
050100150200250APIBrighter cells ran hazier than the rest of this week (57 – 197 API)

Haziest hour of the week: Sun at 15:00 MYT, averaging API 197 nationwide.

View the hourly figures as a table
National average API by hour, Malaysia Time
Day000102030405060708091011121314151617181920212223
Wed666565646463626262606060595757596060616262636364
Thu646465656667676868697072747778798183858485868788
Fri89898990909090929395969710011212813213611710610299999999
Sat9999102115123135151152153154155155156156157159160164166169172174177179
Sun181183185186188190191191192193194194195196196197195194192191189188187186
Mon184183182180178176175173172170168167165162160157156155155153152151129110
Tue99979694————————————————————

How the readings split

Pecahan bacaan mengikut kategori IPU

Moderate: 48% (71 readings)Unhealthy: 52% (77 readings)52%Unhealthy
  • GoodBaik0%0
  • ModerateSederhana48%71
  • UnhealthyTidak Sihat52%77
  • 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 IPD Serian

Perbandingan purata mingguan dengan stesen berhampiran