Air Quality in Johor Bahru, Malaysia

Drizzle
25.5°C · 87.0% humidity
25.5°
Feels 25.5°
146
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
12 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
153 12am
159
116
146 3am
148
136
136 6am
136
148
148 9am
148
165
165 12pm
165
148
148 3pm
136
136
136 6pm
148
148
148 9pm
148
148
Station readings
153
159
116
CAMS model adj +82
66
66
66
66
66
54
54
54
66
66
66
83
83
83
66
66
54
54
54
66
66
66
66
66
AD 728×90

Air Quality Index Trend

47h · 4 stn

Johor Bahru's air quality is affected by vehicle emissions, industrial activity, and periodic transboundary haze from agricultural burning. The dry season tends to produce elevated particulate levels. Current PM2.5 concentration in Johor Bahru is 3.6× the WHO 24-hour guideline of 15 µg/m³.

87.0%
Humidity
31.5 km/h
Wind ESE
1011.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
146
53.84 µg/m³
PM10
44
48.05 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 4 stations
PM2.553.84 µg/m³ ×3.6 WHO
Unhealthy for sensitive groups
PM1048.05 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
53.84
Median
49.61
Average
12.0
Low
79.15
High
PM2.5 µg/m³ · Model: 16.35 · Bias: -37.5
09-04
31.3° 25.5°
5.94 mm
09-05
31.2° 24.9°
1.75 mm
09-06
31.3° 25.6°
4.0 mm
09-07
30.9° 24.9°
0.81 mm
09-08
31.9° 25.1°
0.31 mm
09-09
32.2° 25.7°
1.75 mm
09-10
31.0° 25.9°
0.56 mm
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-04T19:46 UTC.