What is the air quality in São Cristóvão?

São Cristóvão, Brazil has an annual US AQI of 39 (Reasonable) and average PM2.5 of 7.1 µg/m³, ranking #237 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in São Cristóvão?

May is typically the cleanest month (AQI 34) and September the most polluted (AQI 47).

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
237	São Cristóvão, Brazil	South America	AQI 39	PM2.5 7.1 µg/m³