Kuala Lumpur Seasonal Pollution
Kuala Lumpur usually records its highest OpenAQ-derived EPA AQI in October and its cleanest month in January. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Kuala Lumpur, Malaysia.
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Average EPA AQI
61
Rank 2 of 2 cities by average AQI
PM2.5
17.6
ug/m3 annualized city average
Seasonality
October
Cleanest: January
Health indicator
0.8
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Kuala Lumpur
33
50
58
63
54
-
-
-
89
111
-
-
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Kuala Lumpur, the current global analytics build covers 152 daily rows from 2023-12-31 to 2024-10-27. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.