What is the air quality in Ko Samui today?

The current Air Quality Index (AQI) in Ko Samui is 28 (Good). PM2.5 concentration is 6.74 µg/m³.

What is the temperature in Ko Samui right now?

The current temperature in Ko Samui is 28.2°C (feels like 33.1°C). Humidity is 70.1% and wind speed is 20.3 km/h.

Is it safe to go outside in Ko Samui?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Ko Samui, Thailand

Cloudy

28.2°C · 70.1% humidity

28.2°

Feels 33.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

41h · 1 stn

View full history →

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.

70.1%

Humidity

20.3 km/h

Wind ESE

1010.8 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.74 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Ko Samui?

Temperature & Precipitation

PM2.5 Trend

41h · 1 station

PM2.56.74 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

6.74

Median

6.74

Average

6.74

Low

6.74

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -0.7

What is the 7-day forecast for Ko Samui?

10-21

29.0° 28.2°

1.56 mm

10-22

29.6° 28.3°

0.69 mm

10-23

29.1° 28.0°

0.81 mm

10-24

29.0° 27.4°

5.19 mm

10-25

28.9° 28.1°

3.62 mm

10-26

28.6° 27.9°

3.81 mm

10-27

28.6° 28.1°

0.56 mm

Both models agree Avg diff: 1.5°C

Where are air quality stations near Ko Samui?

Private Tropical Garden

6.8 km PM2.5: 6.1 µg/m³ PM10: 6.7 µg/m³

What cities are near Ko Samui?

27 Surat Thani 25 Tha Kham 27 Ban Na San 27 Lang Suan 54 Nakhon Si Thammarat 19 Pak Phanang 34 Chumphon 13 Ranong 34 Ron Phibun 34 Thung Song

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-10-21T00:31 UTC.