Medan: Air Pollution Today — AQI Index, PM2.5/PM10, Smog Alerts and Forecast

Latest air quality data: Medan

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Pollution and air quality forecast for Medan. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Medan:

particulate matter (PM2.5) dust - 55 (Unhealthy)
particulate matter (PM10) suspended dust - 57 (Unhealthy for Sensitive Groups)
ozone (O3) - 47 (Good)
nitrogen dioxide (NO2) - 23 (Good)
sulfur dioxide (SO2) - 10 (Good)
carbon monoxide (CO) - 2182 (Moderate)

Real-time Air Quality Index (AQI) for Medan, Thursday, August 27, 2026: 4.

AQI 4 Unhealthy

What is the air quality in Medan today? Is the air polluted in Medan?. Is there smog?

Today (Thursday, August 27, 2026) air quality is poor in Medan. Poor air quality in Medan may cause breathing discomfort to people exposed and discomfort to people with heart disease. Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises in Medan. Other residents should moderately reduce outdoor activities in Medan.

What is the current level of PM2.5 in Medan? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 55 (Unhealthy) For comparison, the highest level of PM2.5 in Medan in the last 7 days was: 44 (Thursday, August 27, 2026) and the lowest: 30 (Monday, August 24, 2026).

What is the level of PM10 today in Medan? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Medan is: 57 (Unhealthy for Sensitive Groups)

How is the O3 level today in Medan? (ozone (O3))
47 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
23 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
10 (Good)

How high is the CO level? (carbon monoxide (CO))
2182 (Moderate)

Current data Thursday, August 27, 2026 at 8:00 AM

PM2,5 55 (Unhealthy)

PM10 57 (Unhealthy for Sensitive Groups)

O3 47 (Good)

NO2 23 (Good)

SO2 10 (Good)

CO 2182 (Moderate)

Data on air pollution from recent days in Medan

index	2026-08-27	2026-08-26	2026-08-25	2026-08-24	2026-08-23	2026-08-22	2026-08-21	2026-08-20
pm25	44 Unhealthy for Sensitive Groups	34 Moderate	38 Unhealthy for Sensitive Groups	30 Moderate	40 Unhealthy for Sensitive Groups	43 Unhealthy for Sensitive Groups	39 Unhealthy for Sensitive Groups	33 Moderate
pm10	46 Moderate	35 Moderate	40 Moderate	31 Moderate	41 Moderate	44 Moderate	40 Moderate	34 Moderate
o3	69 Good	67 Good	80 Moderate	76 Moderate	89 Moderate	88 Moderate	73 Moderate	72 Moderate
no2	25 Good	26 Good	21 Good	18 Good	18 Good	19 Good	24 Good	24 Good
so2	10 Good	11 Good	10 Good	9 Good	9 Good	10 Good	10 Good	10 Good
co	1660 Good	1824 Good	1329 Good	922 Good	931 Good	1328 Good	1965 Good	1962 Good

data source »

Medan

Thursday, August 27, 2026 at 8:00 AM

PM2,5 55 (Unhealthy)

particulate matter (PM2.5) dust

PM10 57 (Unhealthy for Sensitive Groups)

particulate matter (PM10) suspended dust

O3 47 (Good)

ozone (O3)

NO2 23 (Good)

nitrogen dioxide (NO2)

SO2 10 (Good)

sulfur dioxide (SO2)

CO 2182 (Moderate)

carbon monoxide (CO)

Medan

index	2026-08-20	2026-08-21	2026-08-22	2026-08-23	2026-08-24	2026-08-25	2026-08-26	2026-08-27
pm25	33	39	43	40	30	38	34	44
pm10	34	40	44	41	31	40	35	46
o3	72	73	88	89	76	80	67	69
no2	24	24	19	18	18	21	26	25
so2	10	9.8	10	9.1	9	9.6	11	10
co	1962	1965	1328	931	922	1329	1824	1660

* Pollution data source: https://openaq.org () The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — Indonesia

16-day weather forecast for Indonesia: today around 36°C (partly cloudy), lows near 24°C. Daily temperature and conditions, updated every day. Wind is light today (about 6 km/h) — pollutants can build up near the ground.

☀️ UV Index · 16-day Forecast — Indonesia

The UV index in Indonesia today is 8.9 (very high) — unprotected fair skin can burn in about 20 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Medan — compare nearby locations.

TaipingMalaysia 45 µg/m³
George TownGuyana 7 µg/m³
IpohMalaysia 49 µg/m³
KlangMalaysia 92 µg/m³
Jakarta 83 µg/m³
Surabaya 29 µg/m³
Bandung 67 µg/m³
Bekasi 83 µg/m³

Frequently asked questions

Is the air safe to breathe in Medan today?

The current average PM2.5 across Medan is about 55 µg/m³, rated “Unhealthy”. Sensitive groups should limit time outdoors and consider a mask; everyone should reduce prolonged exertion.

What is the current PM2.5 level in Medan?

Right now PM2.5 in Medan averages about 55 µg/m³ (“Unhealthy”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Medan?

Over the past week, the highest daily PM2.5 in Medan was recorded on Thursday, August 27 (about 44 µg/m³).

What is the UV index in Medan today?

The UV index in Medan today is 8.9 (very high) — unprotected fair skin can burn in about 20 minutes.

Does today's wind help disperse smog in Medan?

Wind is light today (about 6 km/h) — pollutants can build up near the ground.

How is air quality measured?

Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.