What needs to happen?
Any official AQI reading must exceed 150 during the target day.
Air Quality
Open-Meteo AQ liveAQICurrent70AQI
ThresholdRed zone > 150 AQINO leads
Progress46.7%toward threshold
UpdatedLive2026-10-06T10:00
How this resolves
No oracle · no disputeEndpoint
https://air-quality-api.open-meteo.com/v1/air-quality?latitude=21.0285&longitude=105.8542¤t=us_aqiRule
Read current.us_aqi. RED/YES resolves if the value is greater than 150.
API fieldcurrent.us_aqi
ResolutionRED/YES if > 150
Resolution source
OpenAQ public feed for Hanoi monitoring stations.
Station rule
At least one verified city station must report the value.