Air Quality (AirNow) — Outage
ResolvedDegradation HighApr 22, 2026, 10:57 PM · about 24 hours ago · Duration: 23min · Regions: asia
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: 259s
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 - 2026-04-22T22:57:15.029Z
Timeline
Started
Apr 22, 2026, 10:57 PM
about 24 hours ago
Resolved
Apr 22, 2026, 11:20 PM
about 23 hours ago
Duration
23min
Evidence Logs(8 checks)
| Time | Region | Status | Latency | Code |
|---|---|---|---|---|
| Apr 22, 10:57 PM | us-west | down | 1047ms | 502 |
| Apr 22, 10:56 PM | europe | down | 10001ms | — |
| Apr 22, 10:53 PM | asia | down | 10001ms | — |
Track Air Quality (AirNow) reliability
This isn't Air Quality (AirNow)'s first incident. They had 59 incidents in the last 180 days, averaging 27 minutes of impact.
Related Incidents
Air Quality (AirNow)
Apr 23, 2026, 03:11 AM · 35min
NOAA NCEI
Apr 22, 2026, 02:32 PM · 34min
NOAA CDO (Climate)
Apr 22, 2026, 02:31 PM · 35min
NOAA NCEI
Apr 22, 2026, 09:46 AM · 2h 40min
NOAA CDO (Climate)
Apr 22, 2026, 09:46 AM · 2h 40min