Air Quality (AirNow) — Degradation

ResolvedDegradation Medium

May 2, 2026, 04:36 AM · about 7 hours ago · Duration: 15min · Regions: us-west

Detected by Probecast

Incident Summary

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

Error Type: http HTTP Status: 502 Error Message: API returned HTTP 502

Validation Reason: DOWN only in us-west - possible regional issue Consecutive DOWN Checks: 2 Time Between Checks: 168s

Status: DOWN only in us-west (possible regional issue) Other Regions: asia: degraded, europe: up, us-east: unreachable

Level: MEDIUM Limited regional impact or recoverable error type.

Detected by Probecast Health Monitor - 2026-05-02T04:36:42.349Z

Started

May 2, 2026, 04:36 AM

about 7 hours ago

Resolved

May 2, 2026, 04:51 AM

about 6 hours ago

Duration

15min

Time	Region	Status	Latency	Code
May 2, 04:36 AM	us-west	down	726ms	502
May 2, 04:33 AM	asia	degraded	7873ms	200
May 2, 04:33 AM	us-west	down	10000ms	—

This isn't Air Quality (AirNow)'s first incident. They had 71 incidents in the last 180 days, averaging 30 minutes of impact.

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May 2, 2026, 03:07 AM · 14min

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Apr 30, 2026, 11:22 PM · 10h 28min

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Apr 30, 2026, 10:57 PM · 4h 40min

Air Quality (AirNow)

Apr 30, 2026, 09:37 PM · 14min

NHTSA (Vehicle Safety)

Apr 30, 2026, 06:36 PM · 15min