Air Quality Lab — Bragança, Portugal
Air Quality Profile·
Bragança reports an annual PM2.5 of 6.5 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Bragança
Portugal
PortugalAnnual Average
GoodWHO annual classification
6.5µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
8.18.1 µg/m³ — Good
6.56.5 µg/m³ — Good
6.46.4 µg/m³ — Good
5.55.5 µg/m³ — Good
5.95.9 µg/m³ — Good
6.46.4 µg/m³ — Good
7.07.0 µg/m³ — Good
7.17.1 µg/m³ — Good
6.06.0 µg/m³ — Good
6.56.5 µg/m³ — Good
5.25.2 µg/m³ — Good
7.07.0 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
8.18.1 µg/m³ — Good
6.56.5 µg/m³ — Good
6.46.4 µg/m³ — Good
5.55.5 µg/m³ — Good
5.95.9 µg/m³ — Good
6.46.4 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
7.07.0 µg/m³ — Good
7.17.1 µg/m³ — Good
6.06.0 µg/m³ — Good
6.56.5 µg/m³ — Good
5.25.2 µg/m³ — Good
7.07.0 µg/m³ — Good
Best months: Apr–May, NovWorst months: Jan, Aug, Dec
Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Portugal
Bragança: 6.5 µg/m³. Typical range in Portugal: 7.4–9.1 µg/m³. Low anchor: Ponta Delgada, 5.2 µg/m³. High anchor: Porto, 10.6 µg/m³.
85 cities tracked