Air Quality in Semarang, Indonesia
Drizzle
26.8°C · 78.7% humidity
26.8°
Feels 26.8°
80
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations
Nearby Monitoring Stations
Semarang's air quality — share it
AQI Forecast
83
5pm
83
83
80
8pm
76
61
59
11pm
58
57
56
2am
55
55
55
5am
54
54
66
8am
66
66
66
11am
66
66
66
2pm
66
66
Air Quality Index Trend
48h · 3 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 1.7× the WHO 24-hour guideline of 15 µg/m³.
78.7%
Humidity
15.6 km/h
Wind WNW
1008.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
25.73 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Semarang?
Temperature & Precipitation
PM2.5 Trend
48h · 3 stationsPM2.525.73 µg/m³
×1.7 WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
Station readings (3 stations within 25 km)
25.73
Median
18.14
Average
0.83
Low
26.8
High
PM2.5 µg/m³ · Model: 16.35 · Bias: -9.4
What is the 7-day forecast for Semarang?
07-21
32.5° 22.6°
0.81 mm
07-22
33.2° 22.6°
07-23
31.5° 23.7°
0.06 mm
07-24
33.9° 23.1°
07-25
34.3° 23.4°
2.37 mm
07-26
34.5° 24.2°
4.19 mm
07-27
33.3° 24.7°
0.31 mm
Both models agree
Avg diff: 1.3°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 2026-07-21T13:43 UTC.