Air Quality in Pematangsiantar, Indonesia
Drizzle
20.7°C · 94.5% humidity
20.7°
Feels 20.7°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Pematangsiantar's air quality — share it
AQI Forecast
66
9pm
83
83
30
12am
40
48
53
3am
57
76
78
6am
80
63
52
9am
33
33
33
12pm
34
34
34
3pm
34
34
54
6pm
54
66
Pematangsiantar'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.
94.5%
Humidity
22.4 km/h
Wind WSW
1011.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.32 µg/m³
PM10
27.45 µg/m³
050100150200300500
What is the weather forecast for Pematangsiantar?
Temperature & Precipitation
PM2.57.32 µg/m³
✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Pematangsiantar?
07-21
30.1° 20.7°
4.06 mm
07-22
27.9° 20.6°
1.94 mm
07-23
31.8° 20.9°
0.06 mm
07-24
29.5° 21.1°
2.69 mm
07-25
31.7° 21.2°
1.19 mm
07-26
30.2° 20.7°
0.06 mm
07-27
30.5° 20.6°
0.25 mm
Both models agree
Avg diff: 2.5°C
What cities are near Pematangsiantar?
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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 2026-07-21T17:23 UTC.