PASAR API

🇦🇺 Air Quality NSW ~ real-time air pollution API

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Open NSW air-quality API with hourly observations, station details and parameter metadata; JSON over POST, no key.

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Call it

curl 'https://data.airquality.nsw.gov.au'

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I'm building an app using a free Australia API (no auth needed).

API: Air Quality NSW ~ real-time air pollution API
Provider: NSW Department of Climate Change, Energy, the Environment and Water
Endpoint: GET https://data.airquality.nsw.gov.au
It returns JSON (live data).

Source: NSW Department of Climate Change, Energy, the Environment and Water (https://www.airquality.nsw.gov.au/air-quality-data-services/air-quality-api)
Source type: Official public feed
Endpoint type: Direct public JSON endpoint
Integration difficulty: Copy-paste ready
Last checked: 2026-07-05
Production caveat: Still handle downtime, changing fields, empty responses, and rate limits before shipping user-facing alerts.

Help me fetch this and build a simple page that displays it nicely. Include basic production safeguards for errors, empty responses, schema changes, caching, and rate limits.

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