Air Quality Lab — Serasa, Brunei
Air Quality Profile·
Serasa 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.
Serasa
Brunei
BruneiAnnual Average
FairWHO annual classification
10.1µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1010 µg/m³ — Fair
9.69.6 µg/m³ — Good
8.18.1 µg/m³ — Good
1111 µg/m³ — Fair
1010 µg/m³ — Fair
8.98.9 µg/m³ — Good
1111 µg/m³ — Fair
1515 µg/m³ — Moderate
1111 µg/m³ — Fair
9.69.6 µg/m³ — Good
6.96.9 µg/m³ — Good
9.09.0 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
1010 µg/m³ — Fair
9.69.6 µg/m³ — Good
8.18.1 µg/m³ — Good
1111 µg/m³ — Fair
1010 µg/m³ — Fair
8.98.9 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
1111 µg/m³ — Fair
1515 µg/m³ — Moderate
1111 µg/m³ — Fair
9.69.6 µg/m³ — Good
6.96.9 µg/m³ — Good
9.09.0 µg/m³ — Good
Best months: Mar, Jun, NovWorst months: Jul–Sep
Good5–10 µg/m³Fair10–15 µg/m³Moderate15–25 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Brunei
Serasa: 10.1 µg/m³. Typical range in Brunei: 9.5–11.1 µg/m³. Low anchor: Kuala Belait, 9.3 µg/m³. High anchor: Sengkurong, 12.3 µg/m³.
8 cities tracked