Air Quality in Semenyih, Malaysia

Cloudy
24.6°C · 81.9% humidity
24.6°
Feels 24.6°
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
70 7am
70
58
57 10am
58
58
58 1pm
58
58
38 4pm
38
58
58 7pm
58
58
58 10pm
58
70
70 1am
70
58
58 4am
58
58
Station readings
67
CAMS model adj +4
66
66
54
54
54
54
54
54
54
34
34
54
54
54
54
54
54
66
66
66
54
54
54
54
AD 728×90

Air Quality Index Trend

44h · 5 stn

Semenyih'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.

81.9%
Humidity
16.5 km/h
Wind ESE
1011.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
57
14.81 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

44h · 5 stations
PM2.514.81 µg/m³ ✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
14.81
Median
14.63
Average
12.6
Low
17.3
High
PM2.5 µg/m³ · Model: 19.2 · Bias: +4.4
08-03
29.6° 24.6°
1.81 mm
08-04
30.1° 23.7°
4.87 mm
08-05
29.3° 23.1°
6.94 mm
08-06
30.8° 24.8°
0.69 mm
08-07
30.1° 24.5°
7.81 mm
08-08
31.3° 24.7°
1.0 mm
08-09
31.2° 25.6°
1.19 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 2026-08-08T02:09 UTC.