What is the air quality in São João de Meriti?

São João de Meriti, Brazil has an annual US AQI of 64 (Polluted) and average PM2.5 of 15.6 µg/m³, ranking #2586 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in São João de Meriti?

November is typically the cleanest month (AQI 59) and June the most polluted (AQI 70).

Where does São João de Meriti's air quality data come from?

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

São João de Meriti, Brazil — Air Quality & Clean City Guide 2026

São João de Meriti Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2586	São João de Meriti, Brazil	South America	AQI 64	PM2.5 15.6 µg/m³