What is the air quality in San Juan?

San Juan, Philippines has an annual US AQI of 88 (Polluted) and average PM2.5 of 28.6 µg/m³, ranking #4173 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in San Juan?

December is typically the cleanest month (AQI 85) and September the most polluted (AQI 91).

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
4173	San Juan, Philippines	Asia	AQI 88	PM2.5 28.6 µg/m³