Air Quality in Pematangsiantar, Indonesia
Drizzle
23.3°C · 86.9% humidity
23.3°
Feels 23.3°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Pematangsiantar's air quality — share it
AQI Forecast
54
6pm
54
66
34
9pm
60
67
54
12am
58
60
62
3am
63
52
52
6am
53
53
53
9am
34
34
27
12pm
27
27
27
3pm
34
27
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. Current PM2.5 concentration in Pematangsiantar is 1.6× the WHO annual guideline of 5 µg/m³.
86.9%
Humidity
5.6 km/h
Wind WNW
1011.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
8.18 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Pematangsiantar?
Temperature & Precipitation
PM2.58.18 µg/m³
✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Pematangsiantar?
05-29
31.0° 21.2°
0.38 mm
05-30
27.2° 20.2°
0.06 mm
05-31
31.7° 19.1°
4.88 mm
06-01
33.2° 21.0°
0.56 mm
06-02
33.8° 21.6°
0.31 mm
06-03
33.8° 21.4°
0.69 mm
06-04
33.5° 21.4°
7.31 mm
Both models agree
Avg diff: 2.8°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 2026-05-29T14:50 UTC.