What is the air quality in Cauayan (Isabela)?

Cauayan (Isabela), Philippines has an annual US AQI of 65 (Polluted) and average PM2.5 of 16.5 µg/m³, ranking #2740 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Cauayan (Isabela)?

May is typically the cleanest month (AQI 62) and September the most polluted (AQI 67).

Where does Cauayan (Isabela)'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.

Cauayan (Isabela), Philippines — Air Quality & Clean City Guide 2026

Cauayan (Isabela) Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2740	Cauayan (Isabela), Philippines	Asia	AQI 65	PM2.5 16.5 µg/m³