Air Quality Lab — Braga, Portugal
Air Quality Profile
Braga 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.
Braga
Portugal
PortugalAnnual 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
1212 µg/m³ — Fair
1111 µg/m³ — Fair
1111 µg/m³ — Fair
9.29.2 µg/m³ — Good
9.19.1 µg/m³ — Good
8.18.1 µg/m³ — Good
7.77.7 µg/m³ — Good
8.88.8 µg/m³ — Good
1010 µg/m³ — Fair
1111 µg/m³ — Fair
1111 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1414 µg/m³ — Fair
1212 µg/m³ — Fair
1111 µg/m³ — Fair
1111 µg/m³ — Fair
9.29.2 µg/m³ — Good
9.19.1 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
8.18.1 µg/m³ — Good
7.77.7 µg/m³ — Good
8.88.8 µg/m³ — Good
1010 µg/m³ — Fair
1111 µg/m³ — Fair
1111 µg/m³ — Fair
Best months: Jul–SepWorst months: Jan–Feb, Nov
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 Portugal
Braga: 10.1 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