Preparedness: haze

Preparedness

Keep N95 or KN95 masks (not surgical masks) and, if possible, a HEPA air purifier for one room with the windows closed. Check PM2.5 and ASMC alerts when the sky looks hazy.

Sources

• ASMC -- Alert levels for transboundary haze
• Air4Thai -- Thai Pollution Control Department air quality

Related

• Factor: air quality (PM2.5, haze)
• PM2.5 and the Thai bands
• ASMC haze alert levels (0-3)

ENSO status now

ONI (NOAA CPC)

+1.80 °C, JJA 2026 (previous +1.39 °C)

RONI (NOAA CPC)

+1.36 °C, JJA 2026

Nino 3.4 weekly (NOAA CPC / OISST)

+3.0 °C anomaly, week of 16 Sep 2026 (SST 29.6 °C)