Air Quality Lab — Parnaíba, Brazil
Air Quality Profile·
Parnaíba reports an annual PM2.5 of 7.4 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Parnaíba
Brazil
BrazilAnnual Average
GoodWHO annual classification
7.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
7.37.3 µg/m³ — Good
1010 µg/m³ — Fair
1313 µg/m³ — Fair
1212 µg/m³ — Fair
7.47.4 µg/m³ — Good
5.25.2 µg/m³ — Good
5.35.3 µg/m³ — Good
4.84.8 µg/m³ — Excellent
5.85.8 µg/m³ — Good
7.17.1 µg/m³ — Good
5.75.7 µg/m³ — Good
5.15.1 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
7.37.3 µg/m³ — Good
1010 µg/m³ — Fair
1313 µg/m³ — Fair
1212 µg/m³ — Fair
7.47.4 µg/m³ — Good
5.25.2 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
5.35.3 µg/m³ — Good
4.84.8 µg/m³ — Excellent
5.85.8 µg/m³ — Good
7.17.1 µg/m³ — Good
5.75.7 µg/m³ — Good
5.15.1 µg/m³ — Good
Best months: Jun, Aug, DecWorst 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
Parnaíba: 7.4 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.
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