Air Quality in Simpang Empat, Malaysia

Cloudy
26.4°C · 79.3% humidity
26.4°
Feels 26.4°
124
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
38 4pm
38
38
124 7pm
112
94
82 10pm
90
83
79 1am
75
73
54 4am
53
52
52 7am
51
68
68 10am
50
50
50 1pm
50
50
Station readings 19h ago
AQI 43
PM2.5 10.3 µg/m³ · 19h ago
CAMS model adj -16
54
54
54
54
66
66
66
83
83
83
83
83
66
66
66
66
66
83
83
66
66
66
66
66
AD 728×90

Air Quality Index Trend

4h · 1 stn

Simpang Empat's air quality is affected by vehicle emissions, industrial activity, and periodic transboundary haze from agricultural burning. The dry season tends to produce elevated particulate levels. Current PM2.5 concentration in Simpang Empat is 3.0× the WHO 24-hour guideline of 15 µg/m³.

79.3%
Humidity
10.5 km/h
Wind NW
1010.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
124
44.8 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

4h · 1 station
PM2.544.8 µg/m³ ×3.0 WHO
Unhealthy for sensitive groups
PM1041.15 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
44.8
Median
44.8
Average
44.8
Low
44.8
High
PM2.5 µg/m³ · Model: 20.3 · Bias: -24.5
09-05
31.8° 23.8°
4.06 mm
09-06
32.5° 24.7°
0.19 mm
09-07
32.3° 24.5°
0.06 mm
09-08
31.9° 24.7°
1.44 mm
09-09
31.9° 24.1°
2.44 mm
09-10
32.2° 23.5°
5.19 mm
09-11
30.1° 23.6°
3.5 mm
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T11:07 UTC.