Virtual International Authority File vs UK-AIR

How do Virtual International Authority File and UK-AIR compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.

Directory details: Virtual International Authority File and UK-AIR
Directory detail	Virtual International Authority File	UK-AIR
What it is	VIAF combines multiple library name authority files into a single OCLC-hosted authority service.	UK-AIR's data archive provides measured air monitoring data, statistics, and preformatted files for download.
Website	viaf.org	uk-air.defra.gov.uk/data
Type	Website	Website
Topic	Open Data & Datasets	Open Data & Datasets
Pricing	Not confirmed	Not confirmed
Platforms	Web	Web
Open source	Not stated	Not stated
Language	English	English
Alternatives	24 alternatives	24 alternatives