API archive entry · source-reported

PM25.in

Air quality of China

Provider / source website

Decision snapshot

PM25.in is catalogued as a Environment API from PM25.in. The directory reports api key authentication, HTTPS as unconfirmed, and CORS as unknown.

Category
Environment
Authentication
API key
HTTPS
Unconfirmed
CORS
Unknown

Evaluation pathway

  1. Define endpoints, fields, freshness, and expected request volume.
  2. Read the live source and confirm access, terms, limits, and version.
  3. Test representative inputs, errors, latency, pagination, and data quality.
  4. Plan monitoring, retries, caching, version pinning, and a fallback.

What still needs verification

Pricing and quotas

Confirm current plans, free-tier limits, overages, and request ceilings.

Endpoint coverage

Check that the operations and response fields match the intended workload.

Reliability

Look for uptime history, a status page, support routes, and service commitments.

Data and privacy

Review retention, licensing, regional processing, and compliance requirements.

Versioning

Confirm the active version, change policy, deprecation window, and migration guidance.

Developer experience

Validate SDKs, examples, error formats, pagination, and test environments.

Nearby Environment options

BreezoMeter Pollen

Daily Forecast pollen conditions data for a specific location

API key · HTTPS reported · CORS Unknown

Cloverly

API calculates the impact of common carbon-intensive activities in real time

API key · HTTPS reported · CORS Unknown

IQAir

Air quality and weather data

API key · HTTPS reported · CORS Unknown

Source reference

public-apis directory entry

This page separates source-reported facts from questions that need live provider verification.