Air Quality Lab — Hat Yai, Thailand
Air Quality Profile·
Hat Yai reports an annual PM2.5 of 22.9 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Hat Yai
Thailand
ThailandAnnual Average
ModerateWHO annual classification
22.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2727 µg/m³ — Poor
2424 µg/m³ — Moderate
2424 µg/m³ — Moderate
2424 µg/m³ — Moderate
2424 µg/m³ — Moderate
2121 µg/m³ — Moderate
2323 µg/m³ — Moderate
2222 µg/m³ — Moderate
2222 µg/m³ — Moderate
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
2626 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
2727 µg/m³ — Poor
2424 µg/m³ — Moderate
2424 µg/m³ — Moderate
2424 µg/m³ — Moderate
2424 µg/m³ — Moderate
2121 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2323 µg/m³ — Moderate
2222 µg/m³ — Moderate
2222 µg/m³ — Moderate
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
2626 µg/m³ — Poor
Best months: Jun, Oct–NovWorst months: Jan, Mar, Dec
Moderate15–25 µg/m³Poor25–35 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Thailand
Hat Yai: 22.9 µg/m³. Typical range in Thailand: 21.3–28.9 µg/m³. Low anchor: Phuket, 15.1 µg/m³. High anchor: Chiang Mai, 32.6 µg/m³.
202 cities tracked