Air Quality in Semarang, Indonesia
Cloudy
22.5°C · 73.7% humidity
22.5°
Feels 22.5°
107
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
3 stations
Nearby Monitoring Stations
Semarang's air quality — share it
AQI Forecast
83
1am
83
83
107
4am
100
95
93
7am
89
88
86
10am
85
85
85
1pm
85
85
84
4pm
84
83
83
7pm
66
66
66
10pm
66
66
Air Quality Index Trend
48h · 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 7.6× the WHO annual guideline of 5 µg/m³.
73.7%
Humidity
25.6 km/h
Wind S
1012.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
38.08 µg/m³
PM10
79.9 µg/m³
050100150200300500
What is the weather forecast for Semarang?
Temperature & Precipitation
PM2.5 Trend
48h · 4 stationsPM2.538.08 µg/m³
×2.5 WHO
Unhealthy for sensitive groups
PM1079.9 µg/m³
Moderate
UV INDEX0.7
Low
Station readings (3 stations within 25 km)
38.08
Median
30.74
Average
0.94
Low
50.89
High
PM2.5 µg/m³ · Model: 40.4 · Bias: +2.3
What is the 7-day forecast for Semarang?
05-28
30.2° 24.2°
6.88 mm
05-29
29.1° 22.5°
05-30
30.1° 24.3°
5.87 mm
05-31
30.8° 22.9°
0.69 mm
06-01
30.9° 22.1°
0.06 mm
06-02
30.5° 23.0°
06-03
31.2° 24.2°
3.25 mm
Both models agree
Avg diff: 2.0°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 2026-05-28T21:46 UTC.