Air Quality in Pematangsiantar, Indonesia

Drizzle
20.3°C · 95.9% humidity
20.3°
Feels 20.3°
68
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
83 7am
83
54
68 10am
44
41
39 1pm
38
37
36 4pm
35
55
67 7pm
83
66
66 10pm
66
66
66 1am
66
66
66 4am
66
66
AD 728×90

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 1.4× the WHO 24-hour guideline of 15 µg/m³.

95.9%
Humidity
20.4 km/h
Wind WSW
1012.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
68
20.28 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

Temperature & Precipitation

PM2.520.28 µg/m³ ×1.4 WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
08-03
29.8° 20.3°
6.31 mm
08-04
26.6° 20.4°
13.69 mm
08-05
27.5° 20.2°
4.75 mm
08-06
29.3° 20.3°
3.38 mm
08-07
30.4° 22.2°
0.87 mm
08-08
30.4° 23.2°
0.06 mm
08-09
30.6° 21.9°
1.06 mm
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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 2026-08-08T03:50 UTC.