PM25.in
pm25.in
Reported to provide air quality data for China, but the domain is no longer active and pages are unavailable.
The PM25.in API terms not fully documented by the vendor. Verified 2026-07-26 with per-field source links.
Base URL
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no sourceAuth
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no sourceFree tier
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no sourcePricing model
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no sourcePricing
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no sourceRate limits
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no sourceOpenAPI spec
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no sourceMCP server
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no source