What is the air quality in Ko Samui today?

The current Air Quality Index (AQI) in Ko Samui is 4 (Good). PM2.5 concentration is 0.95 µg/m³.

What is the temperature in Ko Samui right now?

The current temperature in Ko Samui is 29.0°C (feels like 35.0°C). Humidity is 75.6% and wind speed is 98.0 km/h.

Is it safe to go outside in Ko Samui?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Ko Samui, Thailand

Drizzle

29.0°C · 75.6% humidity

29.0°

Feels 35.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast Calibrated

4 3pm

4 6pm

4 9pm

4 12am

4 3am

4 6am

4 9am

4 12pm

Station readings

CAMS model adj -20

Air Quality Index Trend

17h · 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.

75.6%

Humidity

98.0 km/h

Wind W

1009.5 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

0.95 µg/m³

PM10▲

13.7 µg/m³

050100150200300500

What is the weather forecast for Ko Samui?

Temperature & Precipitation

PM2.5 Trend

17h · 1 station

PM2.50.95 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (1 station within 25 km)

0.95

Median

0.95

Average

0.95

Low

0.95

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +4.8

What is the 7-day forecast for Ko Samui?

09-05

29.0° 28.0°

0.75 mm

09-06

30.0° 28.5°

1.69 mm

09-07

29.6° 26.3°

2.69 mm

09-08

29.9° 27.5°

2.06 mm

09-09

29.0° 27.7°

5.63 mm

09-10

29.0° 27.8°

3.5 mm

09-11

28.3° 27.1°

8.12 mm

Both models agree Avg diff: 1.4°C

Where are air quality stations near Ko Samui?

Private Tropical Garden

6.8 km PM2.5: 1.4 µg/m³ PM10: 1.4 µg/m³

What cities are near Ko Samui?

38 Surat Thani 8 Tha Kham 8 Ban Na San 4 Lang Suan 25 Nakhon Si Thammarat 35 Pak Phanang 23 Chumphon 12 Ranong 19 Ron Phibun 16 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 2026-09-05T11:19 UTC.