Air Quality Lab — Una, Brazil
Air Quality Profile·
Una reports an annual PM2.5 of 5.5 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Una
Brazil
BrazilAnnual Average
GoodWHO annual classification
5.5µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
6.06.0 µg/m³ — Good
5.25.2 µg/m³ — Good
5.35.3 µg/m³ — Good
5.35.3 µg/m³ — Good
5.15.1 µg/m³ — Good
4.74.7 µg/m³ — Excellent
4.84.8 µg/m³ — Excellent
4.74.7 µg/m³ — Excellent
5.55.5 µg/m³ — Good
7.17.1 µg/m³ — Good
5.95.9 µg/m³ — Good
6.26.2 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
6.06.0 µg/m³ — Good
5.25.2 µg/m³ — Good
5.35.3 µg/m³ — Good
5.35.3 µg/m³ — Good
5.15.1 µg/m³ — Good
4.74.7 µg/m³ — Excellent
Jul
Aug
Sep
Oct
Nov
Dec
4.84.8 µg/m³ — Excellent
4.74.7 µg/m³ — Excellent
5.55.5 µg/m³ — Good
7.17.1 µg/m³ — Good
5.95.9 µg/m³ — Good
6.26.2 µg/m³ — Good
Best months: Jun–AugWorst months: Jan, Oct, Dec
Excellent0–5 µg/m³Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Brazil
Una: 5.5 µg/m³. Typical range in Brazil: 8.4–13.2 µg/m³. Low anchor: Itabuna, 7.2 µg/m³. High anchor: Manaus, 31.4 µg/m³.
1,136 cities tracked