14 – 20 Oct 2026 · Malaysia

Segamat weekly air quality

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

146.6Weekly mean AQI · Unhealthy for Sensitive Groups

Official DOE API mean: 133.9. 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

168 eligible observations · 0 excluded.

-27.8 AQI compared with the previous week’s eligible mean of 174.4.

Peak AQI: 167 at Segamat · 15 Oct 2026, 14:00 (UTC+8).

Daily US AQI (PM2.5)

Low 109High 167AQI
087.5175
14 Oct20 Oct
20 OctDaily mean · Peak 134117.3Avg AQI

Based on 24 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
2026-10-14134.4Unhealthy for Sensitive Groups16224 / 0
2026-10-15164.3Unhealthy16724 / 0
2026-10-16160.3Unhealthy16324 / 0
2026-10-17163Unhealthy16624 / 0
2026-10-18158.7Unhealthy16524 / 0
2026-10-19128.4Unhealthy for Sensitive Groups15224 / 0
2026-10-20117.3Unhealthy for Sensitive Groups13424 / 0

Hourly means (UTC+8)

Day01234567891011121314151617181920212223
2026-10-14130128126124124122122122122122122122124126128132138145152155158159160162
2026-10-15162162163163163163165165165165165166166166167167167166165163162162162162
2026-10-16162162162162162162162162163163163163163163162160158156158156156156156156
2026-10-17156158158159159160162162163165165166166166165165165165163165163165165165
2026-10-18165165165163163163162160159158156156156156156156158158158158156155154152
2026-10-19152150147144142141138138136132132130130126124122118117113109109109111111
2026-10-20111111111111113113113115115115113113111113113117120120120124126130132134

Observation categories

Good: 0

Moderate: 0

Unhealthy for Sensitive Groups: 65

Unhealthy: 103

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

Segamat air quality.
Weekly station review.

7 days · Johor

Laporan mingguan Indeks Pencemaran Udara (IPU) bagi stesen Segamat, Johor

During the week of 14 – 20 Oct 2026, air quality at Segamat averaged an Air Pollutant Index (API) of 133.9 (Unhealthy). Readings peaked at 163.

Station weekly average

133.9API

Unhealthy · Tidak Sihat

Daily averages89.3 – 160.7 APIWed → Tue
Explore the week
Week's peak reading
163UnhealthyPeak during 7-day window
Rank in Johor
#1of 8 stationsState avg: 161.4 API
Good to Moderate air
34%of hourly readings168 readings recorded
National standing
#47of 68 stationsNational avg: 108.7 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 Segamat shows local patterns like traffic peaks and afternoon haze accumulation.

WedWed 00:00 MYT — API 96Wed 01:00 MYT — API 95Wed 02:00 MYT — API 94Wed 03:00 MYT — API 93Wed 04:00 MYT — API 93Wed 05:00 MYT — API 92Wed 06:00 MYT — API 92Wed 07:00 MYT — API 92Wed 08:00 MYT — API 92Wed 09:00 MYT — API 92Wed 10:00 MYT — API 92Wed 11:00 MYT — API 92Wed 12:00 MYT — API 93Wed 13:00 MYT — API 94Wed 14:00 MYT — API 95Wed 15:00 MYT — API 97Wed 16:00 MYT — API 101Wed 17:00 MYT — API 131Wed 18:00 MYT — API 152Wed 19:00 MYT — API 154Wed 20:00 MYT — API 156Wed 21:00 MYT — API 157Wed 22:00 MYT — API 158Wed 23:00 MYT — API 159ThuThu 00:00 MYT — API 159Thu 01:00 MYT — API 159Thu 02:00 MYT — API 160Thu 03:00 MYT — API 160Thu 04:00 MYT — API 160Thu 05:00 MYT — API 160Thu 06:00 MYT — API 161Thu 07:00 MYT — API 161Thu 08:00 MYT — API 161Thu 09:00 MYT — API 161Thu 10:00 MYT — API 161Thu 11:00 MYT — API 162Thu 12:00 MYT — API 162Thu 13:00 MYT — API 162Thu 14:00 MYT — API 163Thu 15:00 MYT — API 163Thu 16:00 MYT — API 163Thu 17:00 MYT — API 162Thu 18:00 MYT — API 161Thu 19:00 MYT — API 160Thu 20:00 MYT — API 159Thu 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 159Fri 04:00 MYT — API 159Fri 05:00 MYT — API 159Fri 06:00 MYT — API 159Fri 07:00 MYT — API 159Fri 08:00 MYT — API 160Fri 09:00 MYT — API 160Fri 10:00 MYT — API 160Fri 11:00 MYT — API 160Fri 12:00 MYT — API 160Fri 13:00 MYT — API 160Fri 14:00 MYT — API 159Fri 15:00 MYT — API 158Fri 16:00 MYT — API 156Fri 17:00 MYT — API 155Fri 18:00 MYT — API 156Fri 19:00 MYT — API 155Fri 20:00 MYT — API 155Fri 21:00 MYT — API 155Fri 22:00 MYT — API 155Fri 23:00 MYT — API 155SatSat 00:00 MYT — API 155Sat 01:00 MYT — API 156Sat 02:00 MYT — API 156Sat 03:00 MYT — API 157Sat 04:00 MYT — API 157Sat 05:00 MYT — API 158Sat 06:00 MYT — API 159Sat 07:00 MYT — API 159Sat 08:00 MYT — API 160Sat 09:00 MYT — API 161Sat 10:00 MYT — API 161Sat 11:00 MYT — API 162Sat 12:00 MYT — API 162Sat 13:00 MYT — API 162Sat 14:00 MYT — API 161Sat 15:00 MYT — API 161Sat 16:00 MYT — API 161Sat 17:00 MYT — API 161Sat 18:00 MYT — API 160Sat 19:00 MYT — API 161Sat 20:00 MYT — API 160Sat 21:00 MYT — API 161Sat 22:00 MYT — API 161Sat 23:00 MYT — API 161SunSun 00:00 MYT — API 161Sun 01:00 MYT — API 161Sun 02:00 MYT — API 161Sun 03:00 MYT — API 160Sun 04:00 MYT — API 160Sun 05:00 MYT — API 160Sun 06:00 MYT — API 159Sun 07:00 MYT — API 158Sun 08:00 MYT — API 157Sun 09:00 MYT — API 156Sun 10:00 MYT — API 155Sun 11:00 MYT — API 155Sun 12:00 MYT — API 155Sun 13:00 MYT — API 155Sun 14:00 MYT — API 155Sun 15:00 MYT — API 155Sun 16:00 MYT — API 156Sun 17:00 MYT — API 156Sun 18:00 MYT — API 156Sun 19:00 MYT — API 156Sun 20:00 MYT — API 155Sun 21:00 MYT — API 154Sun 22:00 MYT — API 153Sun 23:00 MYT — API 152MonMon 00:00 MYT — API 152Mon 01:00 MYT — API 149Mon 02:00 MYT — API 137Mon 03:00 MYT — API 126Mon 04:00 MYT — API 119Mon 05:00 MYT — API 112Mon 06:00 MYT — API 102Mon 07:00 MYT — API 100Mon 08:00 MYT — API 99Mon 09:00 MYT — API 97Mon 10:00 MYT — API 97Mon 11:00 MYT — API 96Mon 12:00 MYT — API 96Mon 13:00 MYT — API 94Mon 14:00 MYT — API 93Mon 15:00 MYT — API 92Mon 16:00 MYT — API 90Mon 17:00 MYT — API 89Mon 18:00 MYT — API 87Mon 19:00 MYT — API 85Mon 20:00 MYT — API 85Mon 21:00 MYT — API 85Mon 22:00 MYT — API 86Mon 23:00 MYT — API 86TueTue 00:00 MYT — API 86Tue 01:00 MYT — API 86Tue 02:00 MYT — API 86Tue 03:00 MYT — API 86Tue 04:00 MYT — API 87Tue 05:00 MYT — API 87Tue 06:00 MYT — API 87Tue 07:00 MYT — API 88Tue 08:00 MYT — API 88Tue 09:00 MYT — API 88Tue 10:00 MYT — API 87Tue 11:00 MYT — API 87Tue 12:00 MYT — API 86Tue 13:00 MYT — API 87Tue 14:00 MYT — API 87Tue 15:00 MYT — API 89Tue 16:00 MYT — API 91Tue 17:00 MYT — API 91Tue 18:00 MYT — API 91Tue 19:00 MYT — API 93Tue 20:00 MYT — API 94Tue 21:00 MYT — API 96Tue 22:00 MYT — API 97Tue 23:00 MYT — API 980003060912151821
0255075100125150175APIBrighter cells ran hazier than the rest of this week (85 – 163 API)

Haziest hour of the week: Thu at 14:00 MYT, averaging API 163 nationwide.

View the hourly figures as a table
National average API by hour, Malaysia Time
Day000102030405060708091011121314151617181920212223
Wed96959493939292929292929293949597101131152154156157158159
Thu159159160160160160161161161161161162162162163163163162161160159159159159
Fri159159159159159159159159160160160160160160159158156155156155155155155155
Sat155156156157157158159159160161161162162162161161161161160161160161161161
Sun161161161160160160159158157156155155155155155155156156156156155154153152
Mon15214913712611911210210099979796969493929089878585858686
Tue868686868787878888888787868787899191919394969798

How the readings split

Pecahan bacaan mengikut kategori IPU

Moderate: 34% (57 readings)Unhealthy: 66% (111 readings)66%Unhealthy
  • GoodBaik0%0
  • ModerateSederhana34%57
  • UnhealthyTidak Sihat66%111
  • Very UnhealthySangat Tidak Sihat0%0
  • HazardousBerbahaya0%0

Based on 168 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 Segamat

Perbandingan purata mingguan dengan stesen berhampiran