Live Data
Air Quality Tracker
Real-time PM2.5 readings across 18 cities in Thailand, Southeast Asia, and global comparison cities. Multi-source data updated every 15 minutes. WHO safe limit: 15 µg/m³ (annual average), 45 µg/m³ (24-hour).
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Why this matters
During Thailand's burning season (November through April), PM2.5 levels in northern cities can reach 13 to 27 times the WHO safe limit. The smoke is a transboundary issue, drifting across borders into Myanmar, Laos, Cambodia, and Vietnam.
PM2.5 particulates (2.5 micrometres or smaller) penetrate deep into lung tissue and enter the bloodstream. Long-term exposure is linked to cardiovascular disease, stroke, and premature death. This is the health cost of seasonal crop burning -- and why better data and wider understanding matter.
Source: IQAir 2024 World Air Quality Report; WHO 2021 Global Air Quality Guidelines