Air Quality Lab — Hengchun, Taiwan
Air Quality Profile·
Hengchun reports an annual PM2.5 of 10.1 µg/m³. That's roughly double the WHO 2021 guideline but still far below the EU annual limit of 25 µg/m³.
Hengchun
Taiwan
TaiwanAnnual Average
FairWHO annual classification
10.1µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1414 µg/m³ — Fair
1313 µg/m³ — Fair
1313 µg/m³ — Fair
1313 µg/m³ — Fair
7.57.5 µg/m³ — Good
7.37.3 µg/m³ — Good
6.86.8 µg/m³ — Good
7.37.3 µg/m³ — Good
1111 µg/m³ — Fair
7.87.8 µg/m³ — Good
1111 µg/m³ — Fair
1111 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1414 µg/m³ — Fair
1313 µg/m³ — Fair
1313 µg/m³ — Fair
1313 µg/m³ — Fair
7.57.5 µg/m³ — Good
7.37.3 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
6.86.8 µg/m³ — Good
7.37.3 µg/m³ — Good
1111 µg/m³ — Fair
7.87.8 µg/m³ — Good
1111 µg/m³ — Fair
1111 µg/m³ — Fair
Best months: Jun–AugWorst months: Jan–Feb, Apr
Good5–10 µg/m³Fair10–15 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Taiwan
Hengchun: 10.1 µg/m³. Typical range in Taiwan: 16.5–22.6 µg/m³. High anchor: Yuanlin, 24.8 µg/m³.
37 cities tracked