What is the air quality in Arecibo?

Arecibo, Puerto Rico has an annual US AQI of 38 (Reasonable) and average PM2.5 of 6.9 µg/m³, ranking #210 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Arecibo?

December is typically the cleanest month (AQI 29) and June the most polluted (AQI 48).

PM2.5: 1998–2024 (satellite). From satellite data, because no government monitor covers the city. Full sources are on the methodology page.

Global rank	City	Continent	AQI	PM2.5
210	Arecibo, Puerto Rico	North America	AQI 38	PM2.5 6.9 µg/m³