Air Quality Lab — Viçosa do Ceará, Brazil
Air Quality Profile·
Viçosa do Ceará reports an annual PM2.5 of 7.0 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Viçosa do Ceará
Brazil
BrazilAnnual Average
GoodWHO annual classification
7.0µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
8.08.0 µg/m³ — Good
1010 µg/m³ — Fair
1111 µg/m³ — Fair
1111 µg/m³ — Fair
6.86.8 µg/m³ — Good
5.95.9 µg/m³ — Good
5.05.0 µg/m³ — Excellent
4.04.0 µg/m³ — Excellent
4.64.6 µg/m³ — Excellent
5.95.9 µg/m³ — Good
6.26.2 µg/m³ — Good
5.75.7 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
8.08.0 µg/m³ — Good
1010 µg/m³ — Fair
1111 µg/m³ — Fair
1111 µg/m³ — Fair
6.86.8 µg/m³ — Good
5.95.9 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
5.05.0 µg/m³ — Excellent
4.04.0 µg/m³ — Excellent
4.64.6 µg/m³ — Excellent
5.95.9 µg/m³ — Good
6.26.2 µg/m³ — Good
5.75.7 µg/m³ — Good
Best months: Jul–SepWorst months: Feb–Apr
Excellent0–5 µg/m³Good5–10 µg/m³Fair10–15 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Brazil
Viçosa do Ceará: 7.0 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