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Pematangsiantar (North Sumatra) (ID)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

غائم جزئياً
22°C
غائم جزئياً
Humidity
89.1%
Wind
2 m/s
Pressure
1010.8 hPa
Direction
249°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
21° / 29°
Precip.
4.9mm
Max wind
4 m/s

Hourly Forecast

19.03
Now
Weather
22°
19.03
20:00
Weather
22°
19.03
21:00
Weather
22°
19.03
22:00
Weather
22°
0.3
19.03
23:00
Weather
21°
0.5
20.03
00:00
Weather
21°
20.03
01:00
Weather
22°
20.03
02:00
Weather
24°
20.03
03:00
Weather
26°
20.03
04:00
Weather
28°
20.03
05:00
Weather
29°
20.03
06:00
Weather
29°
20.03
07:00
Weather
29°
20.03
08:00
Weather
29°
2.3
20.03
09:00
Weather
26°
20.03
10:00
Weather
27°
20.03
11:00
Weather
26°
0.6
20.03
12:00
Weather
25°
1.2
20.03
13:00
Weather
24°
20.03
14:00
Weather
24°
20.03
15:00
Weather
23°
20.03
16:00
Weather
23°
20.03
17:00
Weather
23°
20.03
18:00
Weather
22°

Temperature

29°C
21°C
19:00
22°C
20:00
22°C
21:00
22°C
22:00
22°C
23:00
21°C
00:00
21°C
01:00
22°C
02:00
24°C
03:00
26°C
04:00
28°C
05:00
29°C
06:00
29°C
07:00
29°C
08:00
29°C
09:00
26°C
10:00
27°C
11:00
26°C
12:00
25°C
13:00
24°C
14:00
24°C
15:00
23°C
16:00
23°C
17:00
23°C
18:00
22°C
19:00 06:00 18:00

Precipitation

2.3mm
0mm
22:00
0.3mm
23:00
0.5mm
08:00
2.3mm
11:00
0.6mm
12:00
1.2mm
19:00 06:00 18:00

Wind

4m/s
0m/s
19:00
1.9 m/s
20:00
2.2 m/s
21:00
2.2 m/s
22:00
2.2 m/s
23:00
4 m/s
00:00
1.8 m/s
01:00
2 m/s
02:00
1 m/s
03:00
1.4 m/s
04:00
2.1 m/s
05:00
2.1 m/s
06:00
2.5 m/s
07:00
2.4 m/s
08:00
3.4 m/s
09:00
1.7 m/s
10:00
1.3 m/s
11:00
1.4 m/s
12:00
2.4 m/s
13:00
1.3 m/s
14:00
1.4 m/s
15:00
1.4 m/s
16:00
1.6 m/s
17:00
1.9 m/s
18:00
2.1 m/s
19:00 06:00 18:00

Radiation

No sensor within 100 km.

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
83.3 km
248
82.7%

Measurement time: 2026-03-19 20:00

Calculated from PM2.5/PM10

PM2.5
83.3 km
198 µg/m3
235.7%

Measurement time: 2026-03-19 20:00

source: Aqicn

Info


Country: Indonesia
Latitude: 2.9595
Longitude: 99.0687

About Air Quality in Pematangsiantar

Air quality in Pematangsiantar is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Pematangsiantar

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Pematangsiantar?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Pematangsiantar

If you're planning outdoor activities in Pematangsiantar, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.