PM2.5 returns to blanket Bangkok; Prawet, Lat Krabang and Bang Rak worst-hit

Bangkok Metropolitan Administration’s Air Quality Information Centre reported the PM2.5 situation in Bangkok at 7:00am on February 26, 2026.

The Bangkok-wide average was 33.1 micrograms per cubic metre (µg/m³) (standard: not exceeding 37.5 µg/m³).

Top 12 PM2.5 hotspots in Bangkok

1. Prawet — 40.7 µg/m³
2. Lat Krabang — 40.0 µg/m³
3. Bang Rak — 39.9 µg/m³
4. Pathum Wan — 39.9 µg/m³
5. Min Buri — 39.4 µg/m³
6. Lak Si — 38.3 µg/m³
7. Wang Thonglang — 36.4 µg/m³
8. Sai Mai — 36.4 µg/m³
9. Bang Kho Laem — 36.1 µg/m³
10. Ratchathewi — 35.9 µg/m³
11. Bang Sue — 35.8 µg/m³
12. Bang Khun Thian — 35.7 µg/m³

PM2.5 by zone

• North Bangkok: 31.6–38.3 µg/m³ — overall: moderate
• East Bangkok: 27.1–40.7 µg/m³ — overall: moderate
• Central Bangkok: 26.8–36.4 µg/m³ — overall: moderate
• South Bangkok: 26.9–39.9 µg/m³ — overall: moderate
• North Thonburi: 26.6–35.3 µg/m³ — overall: moderate
• South Thonburi: 28.8–35.7 µg/m³ — overall: moderate

Health advice

• General public: Wear an N95 mask or a PM2.5-protective mask whenever you go outdoors, and reduce time spent on strenuous outdoor activities.
• At-risk groups (children, older people, and those with respiratory diseases): Avoid going outside unless necessary. If you develop coughing, breathing difficulties, or severe eye irritation, seek medical attention immediately.