Air Quality in Semarang, Indonesia
Drizzle
24.5°C · 84.1% humidity
24.5°
Feels 24.5°
73
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations
Nearby Monitoring Stations
Semarang's air quality — share it
AQI Forecast
Calibrated
22
10am
22
22
73
1pm
76
65
58
4pm
52
49
46
7pm
44
26
25
10pm
24
11
11
1am
11
10
10
4am
10
10
10
7am
10
10
CAMS model
adj -44
66
66
66
66
83
83
83
83
83
83
83
66
66
66
54
54
54
54
54
54
54
54
54
54
Air Quality Index Trend
45h · 4 stnSemarang'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 Semarang is 1.5× the WHO 24-hour guideline of 15 µg/m³.
84.1%
Humidity
15.6 km/h
Wind S
1011.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
22.49 µg/m³
PM10
79.9 µg/m³
050100150200300500
What is the weather forecast for Semarang?
Temperature & Precipitation
PM2.5 Trend
45h · 4 stationsPM2.522.49 µg/m³
×1.5 WHO
Moderate
PM1079.9 µg/m³
Moderate
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
22.49
Median
14.39
Average
4.79
Low
24.0
High
PM2.5 µg/m³ · Model: 23.6 · Bias: +1.1
What is the 7-day forecast for Semarang?
08-03
31.8° 24.5°
1.81 mm
08-04
33.6° 23.5°
7.06 mm
08-05
33.1° 24.6°
1.87 mm
08-06
34.7° 23.8°
0.06 mm
08-07
35.7° 24.6°
0.38 mm
08-08
33.7° 22.7°
0.13 mm
08-09
34.7° 21.2°
Both models agree
Avg diff: 1.0°C
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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 2026-08-08T06:30 UTC.