Incident

Air Quality (AirNow) outage.

ResolvedDEGRADATION · HIGH

Jul 16, 2026, 03:08 AM · about 14 hours ago · Duration: 39min

Detected by Probecast

Incident Summary

Incident Summary

API Air Quality (AirNow) is currently DOWN in us-west.

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: 282s

Cross-Region Impact

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

Severity Assessment

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


Detected by Probecast Health Monitor - 2026-07-16T03:08:44.494Z

Timeline

Started

Jul 16, 2026, 03:08 AM

about 14 hours ago

Resolved

Jul 16, 2026, 03:48 AM

about 13 hours ago

Duration

39min

Total downtime

Evidence Logs5 checks

TimeRegionStatusLatencyCode
Jul 16, 03:08 AMus-westdown750ms502
Jul 16, 03:08 AMeuropedown10001ms
Jul 16, 03:04 AMasiadown10000ms

Track Air Quality (AirNow) reliability

This isn't Air Quality (AirNow)'s first incident. They had 132 incidents in the last 180 days, averaging 33 minutes of impact.

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