What is the air quality in Caucaia?

Caucaia, Brazil has an annual US AQI of 42 (Reasonable) and average PM2.5 of 7.7 µg/m³, ranking #325 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Caucaia?

July is typically the cleanest month (AQI 34) and March the most polluted (AQI 50).

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
325	Caucaia, Brazil	South America	AQI 42	PM2.5 7.7 µg/m³