Merge pull request #1000 from openaq/cms/about/_index

Automatically generated. Merged on Decap CMS.

content/about/_index.md

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 OpenAQ is an environmental tech nonprofit. We aggregate and harmonize open air quality data from across the globe onto an open-source, open-access data platform so that anyone concerned about air quality has unfettered access to the data they need to analyze, communicate and advocate for clean air. By providing universal access to air quality data, OpenAQ empowers a global community of changemakers to solve air inequality–the unequal access to clean air.
 
-Anyone can explore the data via [OpenAQ Explorer](https://explore.openaq.org/), an interactive web application. For programmatic access via the API or to create custom lists on OpenAQ Explorer, [user registration](https://explore.openaq.org/login)[](https://docs.openaq.org/docs/getting-started) is required.  
+Anyone can explore the data via [OpenAQ Explorer](https://explore.openaq.org/), an interactive web application. For programmatic access via the API or to create custom lists on OpenAQ Explorer, [user registration](https://explore.openaq.org/login)[](https://docs.openaq.org/docs/getting-started) is required. See also our [AQI Hub](https://aqihub.info/), a first-of-it-kind website to navigate air quality indexes across the world.
 
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