What is the air quality trend in Johor Jaya?

Over the past 10 days, Johor Jaya had an average AQI of 69 based on station measurements. The worst day was 2026-07-20 with AQI 100.

How is Johor Jaya air quality measured?

Air quality in Johor Jaya 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 Johor Jaya, Malaysia

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

Historical PM2.5 and AQI trend from monitoring stations near Johor Jaya, Malaysia.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

117h

PM2.5 Station

117h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	100	98–102	35.2 µg/m³	2h	1
2026-07-21	97	83–109	33.8 µg/m³	24h	1
2026-07-20	100	86–121	34.9 µg/m³	24h	1
2026-07-19	86	70–104	28.6 µg/m³	24h	1
2026-07-18	63	34–85	18.1 µg/m³	24h	1
2026-07-17	63	40–81	17.9 µg/m³	15h	1
2026-07-16	15	15–15	3.5 µg/m³	1h	1
2026-07-13	50	50–50	12.0 µg/m³	1h	1
2026-07-06	56	56–56	14.7 µg/m³	1h	4
2026-07-02	61	61–61	16.9 µg/m³	1h	6

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