Quick answer
Is the air quality good in Kuala Lumpur right now? Kuala Lumpur, Malaysia currently has an Air Quality Index of 135, classified as Unhealthy for Sensitive Groups. PM2.5 is 61.9 μg/m³ (12.4x the WHO 2021 annual guideline of 5 μg/m³). Sensitive groups should limit outdoor exertion.
PM2.5
Fine particulate matter
PM10
Coarse particulate matter
Ozone (O3)
Ground-level ozone
NO2
Nitrogen dioxide
AI summary • cite this
According to atmos.today (updated ), Kuala Lumpur, Malaysia has an air quality index of 135 (Unhealthy for Sensitive Groups). PM2.5 is 61.9 μg/m³ (12.4x the WHO 2021 annual guideline of 5 μg/m³), PM10 62.2 μg/m³, ozone 0.0 ppb, NO2 90.1 ppb. Source: atmos.today (CC-BY-4.0).
Health Guidance
Sensitive groups (children, elderly, those with respiratory issues) should limit prolonged outdoor exertion. Others are unlikely to be affected.
Pollutants tracked in Kuala Lumpur
Each reading is a separate pollutant with its own health profile. Open a guide for sources, WHO thresholds, and exposure tips.
Related to Kuala Lumpur
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Kuala Lumpur air quality - frequently asked
Is the air quality in Kuala Lumpur safe right now?
Kuala Lumpur currently has an AQI of 135, classified as Unhealthy for Sensitive Groups. Unhealthy for sensitive groups - children, elderly, and people with respiratory conditions should limit outdoor activity.
What is the PM2.5 level in Kuala Lumpur?
PM2.5 in Kuala Lumpur is currently 61.9 μg/m³. WHO guideline is 5 μg/m³ annual / 15 μg/m³ daily. Current level is 12.4x the WHO annual guideline.
Where does Kuala Lumpur's air pollution come from?
Common sources in urban areas like Kuala Lumpur: vehicle exhaust (especially diesel), industrial emissions, coal/wood burning for heat or cooking, construction dust, and seasonal factors like agricultural burning or wildfires. Local traffic typically contributes 30-50% of urban PM2.5.
When is air quality usually worst in Kuala Lumpur?
Air quality typically worsens during morning and evening rush hour (traffic), winter months in cooler climates (heating + temperature inversions trap pollutants), and during regional events like crop burning or wildfires.
How do I get alerts for Kuala Lumpur?
Sign up at atmos.today/alerts. Pick a threshold (e.g. AQI > 150). We email you when Kuala Lumpur's AQI crosses it. Free, no account required.
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