Air Quality Index (AQI) in Malaysia 🇲🇾

Live Air Quality Index (AQI) and PM2.5 Levels in Malaysia

Currently, the Air Quality Index (AQI) in Kuala Lumpur, the capital of Malaysia, is measured at a score of 75. According to the US EPA health standard, this air quality rating is categorized as Moderate. The current atmosphere in Kuala Lumpur is influenced by a PM2.5 (fine particulate matter) concentration of 22.1 µg/m³ and PM10 levels recorded at 22.8 µg/m³. Monitoring of gaseous pollutants shows Nitrogen Dioxide (NO2) at 30.4 µg/m³.

Beyond the primary urban hubs, atmospheric conditions and smog levels fluctuate across Malaysia based on industrial output, traffic density, and local weather patterns. Real-time pollution data and respiratory health alerts are also being actively monitored in cities like Petaling Jaya, Klang, Johor Bahru, Ipoh and Kampung Baru Subang. Tracking these air quality metrics is essential for residents nationwide to manage outdoor exposure and maintain respiratory safety during periods of increased particulate concentration.

Air Quality Snapshot: Malaysia Right Now

Across 48 monitored cities in Malaysia, live air quality currently ranges from a low of 33 AQI in Alor Setar (the cleanest air right now) to a high of 251 AQI in Kuching (the most polluted). By US EPA health band, the nationwide distribution stands at 7 Good, 31 Moderate, 4 Unhealthy for Sensitive Groups, 5 Unhealthy, 1 Very Unhealthy. The average fine-particulate (PM2.5) concentration across these cities is 30.6 µg/m³ — approximately 6.1 times the World Health Organization (WHO) annual air quality guideline of 5 µg/m³.

Malaysia Air Quality: Major Cities Index

Pollution Monitor & AQI Forecast: Malaysia Regions

* Air Quality Index (AQI) data for Malaysia is calculated using the US EPA standard. Information is processed from multiple monitoring stations detecting PM2.5, PM10, and gaseous pollutants to ensure accuracy for respiratory health planning.

What Today's Readings Mean in Malaysia

The median reading across 48 monitored cities is 75.0 AQI. The national spread is 218 points, from 33 in Alor Setar to 251 in Kuching. Average PM2.5 is 30.6 µg/m³ (6.1× the WHO annual guideline).

At least one monitored location is Very Unhealthy or Hazardous. Avoid outdoor exertion in the affected city and follow local public-health advice.

See the complete AQI and pollutant reference scales

Health & Scientific Resources

→ How to read US EPA Air Quality Index before going outside → Understanding Air Quality Index levels and what they mean → When haze forms and what it does to air quality

Air Quality in Malaysia — FAQ

Common questions about AQI levels, pollutants, and data sources for Malaysia.

What is the current air quality in Malaysia?

Live AQI readings for 48 city(ies) across Malaysia are listed above on the US EPA 0-500 scale.

Where does Malaysia's AQI data come from?

Real-time readings come from ground-based monitoring stations operated by national environmental agencies in Malaysia, delivered via WeatherAPI.com and aggregated using the EPA AQI formula.

What is a healthy AQI value in Malaysia?

On the EPA scale used worldwide, 0-50 is Good, 51-100 is Moderate, 101-150 is Unhealthy for sensitive groups, 151-200 is Unhealthy, 201-300 is Very Unhealthy, and 301-500 is Hazardous. The WHO 24-hour PM2.5 guideline is 15 μg/m³.

Why do AQI readings vary between cities in Malaysia?

Air quality is highly local — major pollution sources (traffic, industry, dust, wildfires) cluster around cities, while wind direction and topography move them around. Comparing nearby readings on this page is the best way to see how conditions change across Malaysia.