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Start building with the Air Quality API.
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The Air Quality API includes over 70 air quality indexes.
The currentConditions endpoint provides current hourly air quality information.
The history endpoint provides historical hourly air quality information for a specific location.
The heatmapTiles endpoint provides air quality related heatmaps through a tile overlay.
The forecast endpoint provides hourly forecast air quality information for a specific location.
View the latest coverage details, on a country-by-country basis, for the Air Quality API.
View the Air Quality REST and gRPC API reference.


Learn about core features of the Air Quality API.
An air quality index (AQI) is the scale by which a certain provider categorizes different air quality levels.
Pollutants are particles and gasses in the air that, in high concentration, can be harmful to people's health.
Health recommendations are health advice and recommended actions for current air quality conditions.

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