What is the air quality trend in Shah Alam?

Over the past 16 days, Shah Alam had an average AQI of 74 based on station measurements. The worst day was with AQI .

How is Shah Alam air quality measured?

Air quality in Shah Alam is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Shah Alam, Malaysia

Name: Shah Alam Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Shah Alam, Malaysia.

Current AQI
Moderate

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

300h · 2 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-04-10	58	51–63	15.3 µg/m³	23h	2
2026-04-09	59	53–66	15.8 µg/m³	16h	2
2026-04-08	58	53–65	15.7 µg/m³	8h	2
2026-04-07	63	50–73	18.0 µg/m³	24h	2
2026-04-06	72	62–84	21.9 µg/m³	18h	2
2026-04-04	88	79–92	29.6 µg/m³	14h	2
2026-04-03	85	76–91	28.2 µg/m³	24h	2
2026-04-02	84	60–114	27.4 µg/m³	21h	2
2026-04-01	74	64–80	22.9 µg/m³	21h	2
2026-03-31	66	55–78	19.5 µg/m³	21h	2
2026-03-30	80	78–83	26.1 µg/m³	10h	2
2026-03-29	76	61–81	24.2 µg/m³	23h	2
2026-03-28	80	76–86	25.8 µg/m³	22h	2
2026-03-27	81	72–94	26.1 µg/m³	24h	2
2026-03-26	85	67–107	28.2 µg/m³	24h	2
2026-03-25	80	73–89	26.0 µg/m³	7h	2

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