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 – weekend week 06-2025

2025-02-06

This weekend we continue to see varying air quality across Thailand. Bangkok is still experiencing high pollution levels, while Chiang Rai and Phuket have more stable conditions.

Chiang Rai: Air quality nears unhealthy level, chilly nights continue

Friday: AQI 90 – Moderate air quality, highest temperature 33°C, lowest 15°C.
Saturday: AQI 89 – Moderate air quality, highest temperature 30°C, lowest 17°C.
Sunday: AQI 89 – Moderate air quality, highest temperature 30°C, lowest 18°C.

The air quality in Chiang Rai is approaching unhealthy levels, especially for vulnerable groups such as children, the elderly and those with respiratory problems. Compared to last weekend, the AQI has increased slightly. Temperatures are still comfortable during the day but nights remain cool, so a jacket is recommended for outdoor activities in the evening.

Bangkok: Unhealthy air on Friday, some improvement over the weekend

Friday: AQI 111 – Unhealthy, highest temperature 34°C, lowest 25°C.
Saturday: AQI 78 – Moderate air quality, highest temperature 34°C, lowest 25°C.
Sunday: AQI 77 – Moderate air quality, highest temperature 33°C, lowest 23°C.

Bangkok continues to struggle with poor air quality, but pollution levels are expected to drop slightly on Saturday and Sunday. Friday is expected to be the worst day, meaning sensitive groups should avoid outdoor physical activity. A chance of rain on Saturday could help reduce particulate matter levels.

Phuket: Stable but with some risk of rain

Friday: AQI 65 – Moderate air quality, highest temperature 29°C, lowest 25°C.
Saturday: AQI 64 – Moderate air quality, highest temperature 29°C, lowest 25°C.
Sunday: AQI 64 – Moderate air quality, highest temperature 29°C, lowest 25°C.

Phuket continues to have good conditions with moderate air quality. A slight chance of rain on Sunday could help clear the air and lower temperatures slightly. Temperatures are stable throughout the weekend, with high humidity remaining.

Summary and recommendations

Chiang Rai has a slightly worse air quality than previous weeks, but is still at a moderate level. Temperatures are slightly higher, but the nights are still cool.
Bangkok looks to have its worst air quality on Friday, but some improvement is expected over the weekend. Rain could help reduce air pollution.
Phuket has stable conditions with moderate air quality and a slight risk of rain on Sunday.

Air quality in Bangkok is slightly better than the previous week, but remains a health risk. Chiang Rai has a slight deterioration, while Phuket remains stable.

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: jplenio, Pixabay, original image