Air Quality
Air quality and pollutant data for locations worldwide
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Quick Answer
What is the Air Quality Index?
The Air Quality Index (AQI) is a general indicator used to describe air pollution levels and potential health effects. Higher values generally indicate greater pollution. AQI standards can differ between countries and regions, so the underlying definition should be considered when comparing data.
Air quality data is provided for informational purposes only. AQI standards and pollutant thresholds may vary by country or region and should not be used as the sole basis for medical or health decisions.