Plan by Month
Burning Season (Air Quality) – Plan It Properly
A practical air-quality planning guide for Thailand: what AQI means, who should care, how to plan the north safely, and fallback bases if air worsens.
Last updated: February 22, 2026
Some periods of the year can bring poorer air quality to parts of Thailand (especially the north). For most travelers, this is a comfort issue — but for sensitive groups it can be a health issue.
This guide helps you make calm decisions and build a Plan B.
Quick summary
- If you’re sensitive (kids, asthma, older travelers), plan conservatively and prioritize cleaner-air bases.
- Air quality can change day-to-day; check it like weather: Air Quality
- If conditions worsen, shift to Bangkok or the coast and return later.
- Don’t over-book fixed activities in the north if you need flexibility.
Who should be cautious
How to plan Chiang Mai safely
- Choose accommodation with good indoor comfort (AC/ventilation)
- Build flexible days (don’t schedule non-refundable outdoor tours back-to-back)
- Keep indoor options ready (cafés, museums, markets, cooking classes)
- Watch daily AQI trends and adjust
Chiang Mai guide: Chiang Mai
Plan B: better bases when AQI is bad
- Bangkok (city comfort + endless indoor options): Bangkok
- Coast / islands (depending on sea conditions): Krabi · Phuket · Islands Planner
- Easy comfort beach base: Hua Hin
What to pack/prepare
- Flexibility (book cancellable stays when possible)
- If you’re sensitive: consider masks that fit well (optional; personal choice)
- Hydration + indoor breaks (heat + air can combine)
Next steps
- Air quality tool: Air Quality
- Plan by month hub: Plan By Month
- Chiang Mai: Chiang Mai
How we verify month guidance
Thailand weather and seasons shift year to year, so we treat month pages as “planning ranges” and re-check the most volatile items regularly:
- Season definitions and transitions: Thailand.go.th seasonal guidance and official announcements
- Weather advisories: Thai Meteorological Department warnings (especially wind/waves for island travel)
- Festival timing: Tourism Authority of Thailand pages (many festivals follow the lunar calendar)
Last updated: February 22, 2026