Part of aqicn.orgMixed24 tested URLs
Can you open http://aqicn.org/city/china/xian/caotan/cn from mainland China?
Yes.
No recent testsVerdict from 2026-05-23 · 3 mo ago
As of the last test on 2026-05-23 — 3 mo ago — it was reachable in mainland China. We haven't tested it since, so this may have changed.
2017first tested
3 mo agolast tested
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Frequently asked questions
Is http://aqicn.org/city/china/xian/caotan/cn blocked in mainland China right now?
We haven't tested http://aqicn.org/city/china/xian/caotan/cn in the last 90 days. As of the last test on 2026-05-23 (3 mo ago), it was reachable in mainland China. Use the Test now button on this page for a fresh measurement.
http://aqicn.org/city/china/xian/caotan/cn · JSON