Air Quality Lab — Thimphu, Bhutan
Air Quality Profile·
Thimphu reports an annual PM2.5 of 24.1 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Thimphu
Bhutan
BhutanAnnual Average
ModerateWHO annual classification
24.1µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2929 µg/m³ — Poor
3333 µg/m³ — Poor
3232 µg/m³ — Poor
3434 µg/m³ — Poor
2323 µg/m³ — Moderate
2727 µg/m³ — Poor
2222 µg/m³ — Moderate
2121 µg/m³ — Moderate
1616 µg/m³ — Moderate
1515 µg/m³ — Moderate
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
2929 µg/m³ — Poor
3333 µg/m³ — Poor
3232 µg/m³ — Poor
3434 µg/m³ — Poor
2323 µg/m³ — Moderate
2727 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
2222 µg/m³ — Moderate
2121 µg/m³ — Moderate
1616 µg/m³ — Moderate
1515 µg/m³ — Moderate
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
Best months: Sep–NovWorst months: Feb–Apr
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 Bhutan
Thimphu: 24.1 µg/m³. Typical range in Bhutan: 23.2–28.5 µg/m³. Low anchor: Punākha, 23.2 µg/m³. High anchor: Phuntsholing, 42.9 µg/m³.
4 cities tracked