Air Quality in Klang Today — Live AQI, PM2.5 & PM10, Smog, Weather and Forecast

Latest air quality data: Klang

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

particulate matter (PM2.5) dust - 92 (Very Unhealthy)
particulate matter (PM10) suspended dust - 94 (Unhealthy)
ozone (O3) - 55 (Good)
nitrogen dioxide (NO2) - 60 (Moderate)
sulfur dioxide (SO2) - 40 (Good)
carbon monoxide (CO) - 767 (Good)

Real-time Air Quality Index (AQI) for Klang, Thursday, August 27, 2026: 5.

AQI 5 Very Unhealthy

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

Today (Thursday, August 27, 2026) air quality is very poor in Klang. Healthy people will commonly show symptoms of respiratory problem. People with respiratory or heart diseases will be significantly affected by air quality and will experience reduced endurance in in typical outdoor activities. Children, seniors and individuals with heart or lung diseases should stay indoors and avoid outdoor activities in Klang. Other residents should reduce outdoor activities.

What is the current level of PM2.5 in Klang? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 92 (Very Unhealthy) For comparison, the highest level of PM2.5 in Klang in the last 7 days was: 88 (Tuesday, August 25, 2026) and the lowest: 37 (Thursday, August 20, 2026).

What is the level of PM10 today in Klang? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Klang is: 94 (Unhealthy)

How is the O3 level today in Klang? (ozone (O3))
55 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
60 (Moderate)

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

How high is the CO level? (carbon monoxide (CO))
767 (Good)

Current data Thursday, August 27, 2026 at 9:00 AM

PM2,5 92 (Very Unhealthy)

PM10 94 (Unhealthy)

O3 55 (Good)

NO2 60 (Moderate)

SO2 40 (Good)

CO 767 (Good)

Data on air pollution from recent days in Klang

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	77 Very Unhealthy	71 Unhealthy	88 Very Unhealthy	65 Unhealthy	40 Unhealthy for Sensitive Groups	46 Unhealthy for Sensitive Groups	44 Unhealthy for Sensitive Groups	37 Unhealthy for Sensitive Groups
pm10	78 Unhealthy for Sensitive Groups	72 Unhealthy for Sensitive Groups	91 Unhealthy	70 Unhealthy for Sensitive Groups	43 Moderate	48 Moderate	46 Moderate	38 Moderate
o3	83 Moderate	84 Moderate	78 Moderate	107 Moderate	96 Moderate	87 Moderate	77 Moderate	47 Good
no2	71 Moderate	72 Moderate	70 Moderate	47 Moderate	38 Good	49 Moderate	53 Moderate	57 Moderate
so2	37 Good	40 Good	37 Good	27 Good	22 Good	27 Good	32 Good	36 Good
co	859 Good	1070 Good	923 Good	1002 Good	636 Good	554 Good	652 Good	940 Good

data source »

Klang

Thursday, August 27, 2026 at 9:00 AM

PM2,5 92 (Very Unhealthy)

particulate matter (PM2.5) dust

PM10 94 (Unhealthy)

particulate matter (PM10) suspended dust

O3 55 (Good)

ozone (O3)

NO2 60 (Moderate)

nitrogen dioxide (NO2)

SO2 40 (Good)

sulfur dioxide (SO2)

CO 767 (Good)

carbon monoxide (CO)

Klang

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	37	44	46	40	65	88	71	77
pm10	38	46	48	43	70	91	72	78
o3	47	77	87	96	107	78	84	83
no2	57	53	49	38	47	70	72	71
so2	36	32	27	22	27	37	40	37
co	940	652	554	636	1002	923	1070	859

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

🌦️ Weather · 16-day Forecast — Malaysia

16-day weather forecast for Malaysia: today around 31°C (rain), lows near 26°C. Daily temperature and conditions, updated every day. Wind is light today (about 7 km/h) — pollutants can build up near the ground.

☀️ UV Index · 16-day Forecast — Malaysia

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

📍 Air quality in nearby cities

Live PM2.5 around Klang — compare nearby locations.

Seremban 57 µg/m³
Ipoh 49 µg/m³
Taiping 45 µg/m³
Kuantan 28 µg/m³
Kota Bharu 23 µg/m³
Kuala Lumpur 92 µg/m³
Kampung Baru Subang 92 µg/m³
Johor Bahru 33 µg/m³

Frequently asked questions

Is the air safe to breathe in Klang today?

The current average PM2.5 across Klang is about 92 µg/m³, rated “Very Unhealthy”. Sensitive groups should limit time outdoors and consider a mask; everyone should reduce prolonged exertion.

What is the current PM2.5 level in Klang?

Right now PM2.5 in Klang averages about 92 µg/m³ (“Very Unhealthy”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Klang?

Over the past week, the highest daily PM2.5 in Klang was recorded on Tuesday, August 25 (about 88 µg/m³).

What is the UV index in Klang today?

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

Does today's wind help disperse smog in Klang?

Wind is light today (about 7 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.