Air Quality Lab — Bayamón, Puerto Rico
Air Quality Profile·
Bayamón reports an annual PM2.5 of 8.1 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Bayamón
Puerto Rico
Puerto RicoAnnual Average
GoodWHO annual classification
8.1µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
5.95.9 µg/m³ — Good
6.26.2 µg/m³ — Good
6.56.5 µg/m³ — Good
7.57.5 µg/m³ — Good
9.59.5 µg/m³ — Good
9.89.8 µg/m³ — Good
1010 µg/m³ — Good
1111 µg/m³ — Fair
8.98.9 µg/m³ — Good
9.39.3 µg/m³ — Good
7.07.0 µg/m³ — Good
5.65.6 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
5.95.9 µg/m³ — Good
6.26.2 µg/m³ — Good
6.56.5 µg/m³ — Good
7.57.5 µg/m³ — Good
9.59.5 µg/m³ — Good
9.89.8 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
1010 µg/m³ — Good
1111 µg/m³ — Fair
8.98.9 µg/m³ — Good
9.39.3 µg/m³ — Good
7.07.0 µg/m³ — Good
5.65.6 µg/m³ — Good
Best months: Jan–Feb, DecWorst months: Jun–Aug
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 Puerto Rico
Bayamón: 8.1 µg/m³. Typical range in Puerto Rico: 7.2–7.8 µg/m³. Low anchor: Guayama, 6.4 µg/m³. High anchor: Cayey, 9.1 µg/m³.
15 cities tracked