Dramatic cloud formations are reflected in the water - a symbolic image for air quality and weather in Thailand this weekend 08-2025.

Thailand: Air quality and weather – Monday to Friday – week 08-2025

2025-02-17

Air quality in Thailand is generally improving during week 08, although we see small variations between regions. Chiang Rai and Bangkok continue to have moderate AQI values, while Phuket is characterized by heavy rains but stable air quality.

Compared to this weekend's forecast, we see small temperature differences in Chiang Rai and Bangkok, while Phuket will continue to have rainy and humid weather.

Chiang Rai: Stable air quality and warm days

  • Monday 17 February: AQI 85 – Moderate air quality, highest temperature 33°C, lowest 16°C.
  • Tuesday 18 February: AQI 87 – Moderate air quality, highest temperature 34°C, lowest 15°C.
  • Wednesday 19 February: AQI 82 – Moderate air quality, highest temperature 34°C, lowest 16°C.
  • Thursday 20 February: AQI 82 – Moderate air quality, highest temperature 34°C, lowest 16°C.
  • Friday 21 February: AQI 86 – Moderate air quality, highest temperature 33°C, lowest 16°C.

Change from the weekend: The air quality is stable and the temperature remains at an even and warm level.

Bangkok: More stable air and risk of rain at the end of the week

  • Monday 17 February: AQI 91 – Moderate air quality, highest temperature 34°C, lowest 25°C.
  • Tuesday 18 February: AQI 81 – Moderate air quality, highest temperature 33°C, lowest 26°C.
  • Wednesday 19 February: AQI 86 – Moderate air quality, highest temperature 33°C, lowest 26°C.
  • Thursday 20 February: AQI 76 – Moderate air quality, highest temperature 33°C, lowest 27°C.
  • Friday 21 February: AQI 80 – Moderate air quality, highest temperature 34°C, lowest 27°C. Rain chance 90%.

Change from the weekend: Air quality is stable at moderate levels, but rain is expected at the end of the week.

Phuket: Rainy week but still good air quality

  • Monday 17 February: AQI 63 – Moderate air quality, highest temperature 29°C, lowest 26°C. Rain 100%.
  • Tuesday 18 February: AQI 62 – Moderate air quality, highest temperature 29°C, lowest 26°C. Rain 100%.
  • Wednesday 19 February: AQI 62 – Moderate air quality, highest temperature 29°C, lowest 26°C. Rain 60%.
  • Thursday 20 February: AQI 62 – Moderate air quality, highest temperature 29°C, lowest 26°C. Rain 100%.
  • Friday 21 February: AQI 72 – Moderate air quality, highest temperature 29°C, lowest 26°C. Rain 100%.

Change from the weekend: Air quality is stable, but rain is expected throughout the week, which may affect outdoor activities.

Summary and recommendations

  • Chiang Rai: Stable and moderate air quality, well suited for outdoor activities.
  • Bangkok: Air quality is stable, but rain may affect the end of the week.
  • Phuket: Good air quality but rainy week, plan activities accordingly.

Follow our weekly weather forecasts to stay up to date on air quality and temperature changes in Thailand.

Source: Air quality data is taken from IQ Air.

Stay informed and protect your health.


Text: The editorial staff

Image license: jplenio, Pixabay, original image