Air Quality in Ko Samui, Thailand

Windy
28.3°C · 78.3% humidity
28.3°
Feels 34.2°
8
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
8 1am
8
8
8 4am
8
8
8 7am
8
8
8 10am
8
8
8 1pm
8
8
8 4pm
8
8
8 7pm
8
8
8 10pm
8
8
Station readings
11
8
7
9
CAMS model adj -16
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
AD 728×90

Air Quality Index Trend

44h · 1 stn

Ko Samui's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. The worst conditions typically occur from February to April during the regional burning season.

78.3%
Humidity
126.0 km/h
Wind WSW
1009.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
8
1.88 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Ko Samui?

Temperature & Precipitation

PM2.5 Trend

44h · 1 station
PM2.51.88 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
1.88
Median
1.88
Average
1.88
Low
1.88
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +3.9

What is the 7-day forecast for Ko Samui?

05-28
28.5° 27.8°
1.44 mm
05-29
29.2° 28.3°
3.87 mm
05-30
29.7° 28.2°
4.5 mm
05-31
29.6° 28.6°
3.56 mm
06-01
31.0° 29.2°
1.06 mm
06-02
31.0° 29.2°
0.13 mm
06-03
31.0° 29.2°
1.0 mm
Both models agree Avg diff: 1.6°C

Where are air quality stations near Ko Samui?

9
Private Tropical Garden
6.8 km PM2.5: 2.2 µg/m³ PM10: 2.8 µg/m³

What cities are near Ko Samui?

56 Surat Thani 19 Tha Kham 10 Ban Na San 8 Lang Suan 20 Nakhon Si Thammarat 20 Pak Phanang 46 Chumphon 24 Ranong 23 Ron Phibun 11 Thung Song
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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 2026-05-28T21:35 UTC.