Air Quality in Butterworth, Malaysia
Partly Cloudy
28.1°C · 69.1% humidity
28.1°
Feels 32.7°
49
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations
Nearby Monitoring Stations
Butterworth's air quality — share it
AQI Forecast
Calibrated
7
6pm
14
29
49
9pm
38
30
24
12am
20
17
15
3am
4
3
2
6am
1
1
1
9am
1
0
0
12pm
0
0
10
3pm
10
10
Station readings
7
14
29
CAMS model
adj -44
54
54
54
54
54
54
54
54
54
54
27
25
25
27
27
27
34
34
34
34
34
54
54
54
Air Quality Index Trend
47h · 2 stnButterworth'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.
69.1%
Humidity
13.1 km/h
Wind NW
1008.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
11.83 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for Butterworth?
Temperature & Precipitation
PM2.5 Trend
47h · 2 stationsPM2.511.83 µg/m³
✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
Station readings (9 stations within 25 km)
11.83
Median
12.93
Average
2.91
Low
30.6
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +1.7
What is the 7-day forecast for Butterworth?
09-11
28.3° 26.2°
5.25 mm
09-12
29.4° 27.3°
1.88 mm
09-13
28.7° 26.9°
7.25 mm
09-14
29.9° 26.7°
1.94 mm
09-15
28.1° 26.8°
3.25 mm
09-16
28.0° 26.1°
16.5 mm
09-17
28.5° 26.0°
3.31 mm
Both models agree
Avg diff: 0.8°C
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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 2026-09-11T13:52 UTC.