Air Quality (AirNow)Outage

ResolvedDegradation - High

May 27, 2026, 03:07 AM · about 21 hours ago · Duration: 29min · Regions: us-west

Detected by Probecast

Incident Summary

Incident Summary

API Air Quality (AirNow) is currently DOWN in europe.

Diagnostic Details

Error Type: http HTTP Status: 502 Error Message: API returned HTTP 502 Retry Attempts: 3 (all failed)

Validation Results

Validation Reason: All 3 retry attempts failed Consecutive DOWN Checks: 2 Time Between Checks: 290s

Cross-Region Impact

Also DOWN in: asia, us-east, us-west Total Affected Regions: 4

Severity Assessment

Level: HIGH Multiple regions affected or critical error type detected.


Detected by Probecast Health Monitor - 2026-05-27T03:07:21.767Z

Timeline

Started

May 27, 2026, 03:07 AM

about 21 hours ago

Resolved

May 27, 2026, 03:37 AM

about 20 hours ago

Duration

29min

Evidence Logs(6 checks)

TimeRegionStatusLatencyCode
May 27, 03:07 AMeuropedown1665ms502
May 27, 03:07 AMasiadown10000ms
May 27, 03:03 AMus-westdown10001ms

Track Air Quality (AirNow) reliability

This isn't Air Quality (AirNow)'s first incident. They had 93 incidents in the last 180 days, averaging 29 minutes of impact.

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