Air Quality Lab — Tainan, Taiwan
Air Quality Profile·
Tainan reports an annual PM2.5 of 22.0 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Tainan
Taiwan
TaiwanAnnual Average
ModerateWHO annual classification
22.0µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3131 µg/m³ — Poor
2626 µg/m³ — Poor
2929 µg/m³ — Poor
2525 µg/m³ — Poor
1717 µg/m³ — Moderate
9.09.0 µg/m³ — Good
1212 µg/m³ — Fair
1212 µg/m³ — Fair
2828 µg/m³ — Poor
2121 µg/m³ — Moderate
2727 µg/m³ — Poor
2525 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
3131 µg/m³ — Poor
2626 µg/m³ — Poor
2929 µg/m³ — Poor
2525 µg/m³ — Poor
1717 µg/m³ — Moderate
9.09.0 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
1212 µg/m³ — Fair
1212 µg/m³ — Fair
2828 µg/m³ — Poor
2121 µg/m³ — Moderate
2727 µg/m³ — Poor
2525 µg/m³ — Poor
Best months: Jun–AugWorst months: Jan, Mar, Sep
Good5–10 µg/m³Fair10–15 µg/m³Moderate15–25 µg/m³Poor25–35 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Taiwan
Tainan: 22.0 µg/m³. Typical range in Taiwan: 16.5–22.6 µg/m³. Low anchor: Hengchun, 10.1 µg/m³. High anchor: Yuanlin, 24.8 µg/m³.
37 cities tracked