Dramatic cumulus and cirrus clouds over lush greenery in Chiang Rai – a perfect day with clear weather and beautiful sky formations.

Thailand: Air quality and weather – weekend week 09-2025

2025-02-27

This weekend brings more stable air quality across Thailand. Compared to previous weeks, air pollution levels have decreased slightly in Bangkok and Chiang Rai, while Phuket maintains its good conditions.

Chiang Rai: Moderate air quality and warmer nights

Friday: AQI 65 – Moderate air quality, highest temperature 33°C, lowest 19°C.
Saturday: AQI 61 – Moderate air quality, highest temperature 35°C, lowest 19°C.
Sunday: AQI 72 – Moderate air quality, highest temperature 35°C, lowest 18°C.

Air quality in Chiang Rai remains moderate, but Sunday shows a slight deterioration. Temperatures are increasing slightly, and nights are warmer compared to previous weeks. For sensitive groups, prolonged outdoor exposure may still cause discomfort, especially during Sunday.

Bangkok: Improved air quality but still moderate levels

Friday: AQI 78 – Moderate air quality, highest temperature 32°C, lowest 27°C.
Saturday: AQI 72 – Moderate air quality, highest temperature 33°C, lowest 26°C.
Sunday: AQI 64 – Moderate air quality, highest temperature 33°C, lowest 27°C.

Bangkok has seen a clear improvement in air quality compared to previous weekends, although levels are still in the moderate range. This means that most people can be outdoors without problems, but sensitive people should be careful with prolonged exposure.

Phuket: Stable weather and moderate air quality

Friday: AQI 63 – Moderate air quality, highest temperature 30°C, lowest 26°C.
Saturday: AQI 65 – Moderate air quality, highest temperature 30°C, lowest 26°C.
Sunday: AQI 65 – Moderate air quality, highest temperature 30°C, lowest 26°C.

Phuket will maintain stable air quality with moderate levels and unchanged temperatures throughout the weekend. Occasional rain showers on Friday may help improve air quality further.

Summary and recommendations

Chiang Rai has stable but moderate air conditions with a slight deterioration on Sunday.
Bangkok shows a noticeable improvement, but sensitive groups should still be cautious with prolonged exposure.
Phuket continues to have stable and good weather, with rain on Friday that could help clear the air further.

This weekend generally sees better air quality than previous weeks, especially in Bangkok where levels are now within a more manageable range.

What does AQI mean?

AQI (Air Quality Index) is an index that shows how healthy or unhealthy the air is. The higher the value, the worse the air quality. Values ​​above 100 can negatively affect sensitive groups.

Source: Air quality data is taken from IQ Air.

Stay informed and protect your health.


Text: The editorial staff

Image license: Thailand Info, CC BY 4.0 License, original image